# UI
#  Function source ----
source("libraries.R", local = TRUE)
source("tallFunctions.R", local = TRUE)
source("helpContent.R", local = TRUE)
libraries()

htmltools::findDependencies(selectizeInput("dummy", label = NULL, choices = NULL))

## Language model list
languages <- langrepo()
label_lang <- unique(languages$language_name)
names(label_lang) <- gsub("_", " ", label_lang)

### input scale choices
choices <- paste0(seq(from = 0, to = 100, by = 1), "%")

## button style and contents

style_bttn <- "border-radius: 20px; border-width: 1px; font-size: 15px; text-align: center; color: #ffff; padding-left: 7px; padding-right: 20px"
style_opt <- "border-radius: 20px; border-width: 1px; font-size: 15px; margin-top: 15px" # (option button)
style_start <- "border-radius: 15px; border-width: 3px; font-size: 15px; width:100% " # (start button)
# style_bttn <- "border-radius: 15px; border-width: 3px; font-size: 15px; margin-top: 15px;" # (action buttons)
t_report <- "Add Results to the Report"
t_export <- "Export Plot as PNG"
t_run <- "Run the Analysis"
t_view <- "View document"
t_save <- "Save the Analysis"
t_back <- "Back to the original text(s)"

run_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = icon(name = "play", lib = "glyphicon")
)

view_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = fa_i(name = "magnifying-glass", prefer_type = "solid")
  # icon = icon("search", lib="glyphicon")
)

export_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = icon(name = "download-alt", lib = "glyphicon")
)
report_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = icon(name = "plus", lib = "glyphicon")
)
save_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 1px;", # margin-top: 15px",
  icon = icon(name = "floppy-save", lib = "glyphicon")
)
back_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = icon(name = "repeat", lib = "glyphicon")
)
x_bttn <- list(
  label = NULL,
  style = "display:block; height: 37px; width: 37px; border-radius: 50%; border: 3px; margin-top: 15px",
  icon = icon(name = "remove", lib = "glyphicon")
)

## HEADER ----

title_tall <- tags$link(tags$a(
  href = "https://github.com/massimoaria/tall", target = "_blank",
  tags$img(src = "logo_white.jpg", height = "30", width = "30")
), strong(" TALL", style = "font-size:17px;"))

donation <- "https://www.bibliometrix.org/home/index.php/donation"
# tallWeb <- 'https://github.com/massimoaria/tall'
k_synth <- "https://www.k-synth.unina.it"
github_aria <- "https://github.com/massimoaria/tall"

infoTexts <- helpContent()

header <- shinydashboardPlus::dashboardHeader(
  title = title_tall,
  titleWidth = 250, controlbarIcon = NULL,
  tags$li(class = "dropdown", tags$a(HTML(paste(uiOutput("dataGroupedBy"))))),
  tags$li(class = "dropdown", tags$a(HTML(paste(uiOutput("dataFilteredBy"))))),
  tags$li(class = "dropdown", tags$a(HTML(paste(uiOutput("termSelected"))))),
  # tags$li(class = "dropdown", tags$a(HTML(paste(uiOutput("resetButton"))))),
  dropdownMenu(
    type = "messages",
    icon = icon("comment-dollar", lib = "font-awesome"),
    badgeStatus = NULL,
    headerText = strong("Donate"),
    messageItem2(
      from = "Donation",
      message = "",
      href = donation,
      icon = icon("share-alt", lib = "glyphicon")
    )
  ),
  dropdownMenu(
    type = "messages",
    icon = fa_i(name = "users"),
    badgeStatus = NULL,
    headerText = "",
    shiny::tags$li(strong("Creators")),
    messageItem2(
      from = "Massimo Aria",
      message = "",
      href = "https://www.massimoaria.com",
      icon = fa_i(name = "user-tie")
    ),
    messageItem2(
      from = "Corrado Cuccurullo",
      message = "",
      href = "https://www.corradocuccurullo.com/",
      icon = fa_i(name = "user-tie")
    ),
    messageItemCustom(
      from = "Maria Spano",
      message = "",
      href = "https://scholar.google.com/citations?user=kh_hGT0AAAAJ&hl=it&oi=ao",
      icon = "businesswoman"
    ),
    messageItem2(
      from = "Luca D'Aniello",
      message = "",
      href = "https://scholar.google.com/citations?user=IXJxh0MAAAAJ&hl=it&oi=ao",
      icon = fa_i(name = "user-tie")
    ),
    shiny::tags$li(strong("Contributors")),
    messageItem2(
      from = "Michelangelo Misuraca",
      message = "",
      href = "https://scholar.google.com/citations?user=WdivjAUAAAAJ&hl=it",
      icon = fa_i(name = "user-tie")
    )
  ),
  dropdownMenu(
    type = "messages",
    icon = fa_i(name = "cube"),
    badgeStatus = NULL,
    headerText = strong("Credits"),
    messageItem2(
      from = "K-Synth",
      message = "",
      href = k_synth,
      icon = fa_i(name = "watchman-monitoring")
    ),
    messageItem2(
      from = "Github",
      message = "",
      href = github_aria,
      icon = fa_i(name = "github")
    )
  ),
  tags$li(
    class = "dropdown",
    tags$style(".main-header .logo {height: 53px}")
  )
)

## SIDEBAR ----
sidebar <- dashboardSidebar(
  width = 250,
  sidebarMenu(
    id = "sidebarmenu",
    # shinyjs::useShinyjs(),
    # style = "position: relative; overflow: visible;",
    menuItem("TALL", tabName = "tall", icon = icon("text-size", lib = "glyphicon")),
    menuItemOutput("rest_of_sidebar")
  )
)

## BODY ----

body <- dashboardBody(
  customTheme(),
  ## workaround to solve visualization issues in Data Table
  tags$head(tags$style(HTML(".has-feedback .form-control { padding-right: 0px;}"))),
  ## script to open more times the same modal ####
  tags$script("
    Shiny.addCustomMessageHandler('button_id', function(value) {
    Shiny.setInputValue('button_id', value);
    });
  "),
  tags$script("
    Shiny.addCustomMessageHandler('button_id2', function(value) {
    Shiny.setInputValue('button_id2', value);
    });
  "),
  tags$script("
    Shiny.addCustomMessageHandler('click', function(value) {
    Shiny.setInputValue('click', value);
    });
  "),
  tags$script("
    Shiny.addCustomMessageHandler('click_dend', function(value) {
    Shiny.setInputValue('click_dend', value);
    });
  "),
  #### BUTTON STYLE ###############
  tags$style(".glyphicon-refresh {color:#ffffff; font-size: 15px; align: center;}"),
  tags$style(".fa-magnifying-glass {color:#ffffff; font-size: 15px; align: center;}"),
  tags$style(".fa-microchip {color:#ffffff; font-size: 15px; align: center;}"),
  tags$style(".glyphicon-download-alt {color:#ffffff; font-size: 18px; align: center; margin-left: -3.5px}"),
  tags$style(".glyphicon-play {color:#ffffff; font-size: 18px; align: center;margin-left: -0.5px}"),
  tags$style(".glyphicon-remove {color:#ffffff; font-size: 18px; align: center;margin-left: -0.5px}"),
  tags$style(".glyphicon-search {color:#ffffff; font-size: 18px; align: center;margin-left: -0.5px}"),
  tags$style(".glyphicon-repeat {color:#ffffff; font-size: 18px; align: center;margin-left: -3px; padding-left: -15px}"),
  tags$style(".glyphicon-plus {color:#ffffff; font-size: 18px;align: center; margin-left: -2px}"),
  tags$style(".glyphicon-cog {color:#4F794290; font-size: 21px; margin-top: 2.3px; margin-left: -3px}"),
  tags$style(".glyphicon-floppy-save {color:#ffffff; font-size: 18px; text-align:center; padding-right: -10px;
             margin-top: 1px;}"), # margin-top: 4px; margin-down: 22px; margin-right: 25px}"),
  tags$style(".glyphicon-download {color:#ffffff; font-size: 18px; align: center;margin-top: 3px}"),
  tags$style(".glyphicon-folder-open {color:#ffffff; font-size: 17px}"),
  tags$head(
    tags$style("mark {background-color: #6CC283;}"), ## Color for highlighted text #5a918a

    tags$style(".fa-envelope {color:#FF0000; font-size: 20px}"),
    tags$style(".fa-envelope-open {font-size: 20px}"),
    tags$style(".fa-cube {font-size: 20px}"),
    tags$style(".fa-question {font-size: 20px}"),
    tags$style(".fa-comment-dollar {font-size: 20px}"),
    tags$style(".fa-bars {font-size: 20px}"),
    tags$style(".sidebar-toggle {font-size: 15px}"),
    tags$style(".fa-users {font-size: 18px}"),

    ## radio button color for primary status (Lemma or Token)
    tags$style(HTML("
    /* Change the default primary button color to a gradient */
    .btn-primary {
      background: linear-gradient(to right,rgb(191, 191, 191),rgb(148, 148, 148),rgb(123, 123, 123)) !important;
      border: none !important;
      color: white !important;
    }

    /* Change the hover state */
    .btn-primary:hover,
    .btn-primary.hover {
      background: linear-gradient(to left, #4F7942,rgb(62, 97, 52)) !important;
      border: none !important;
    }

    /* Change the active state */
    .btn-primary:active,
    .btn-primary.active {
      background: linear-gradient(to right, #95D297, #6CC283, #4F7942) !important;
      border: none !important;
    }

    /* Make button labels bold */
    .btn-group .btn {
      font-weight: bold;
    }
  "))
  ),
  tags$head(
    tags$style(HTML("

     .multicol {

       -webkit-column-count: 2; /* Chrome, Safari, Opera */

       -moz-column-count: 2; /* Firefox */

       column-count: 2;

     }

   "))
  ),

  ## Style for selectInput menu with several choices
  tags$head(
    tags$style(HTML("
      .selectize-dropdown-content {
        max-height: 200px !important; /* Limita l'altezza della lista */
        overflow-y: auto !important; /* Aggiunge lo scrolling verticale */
        overflow-x: auto !important; /* Aggiunge lo scrolling orizzontale se necessario */
        white-space: nowrap !important; /* Evita il wrapping del testo */
      }
    "))
  ),
  tabItems(

    ### TALL PAGE ----
    tabItem(
      tabName = "tall",
      fluidRow(
        # h1(HTML("TA<i>ll</i>"), align="center", style = "font-family: 'Times New Roman'; font-size: 70px;"),
        br(),
        div(img(src = "tall_logo.jpg", height = "10%", width = "33%"), style = "text-align: center;"),
        # h2(HTML("Text Analysis for A<i>ll</i>"), align="center", style = "font-family: 'Times New Roman';"),
        br(),
        div(p("Powered by ",
              em(a("K-Synth",
                   href = "https://k-synth.com/", target = "_blank"
              )),
              style = "text-align:center; font-size:17px;"
        ))
      )
    ),

    ### IMPORT ----

    tabItem(
      tabName = "import_tx",
      fluidPage(
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Corpus",
              column(
                9,
                shinycssloaders::withSpinner(DT::DTOutput("dataImported"), color = getOption("spinner.color", default = "#4F7942"))
              ),
              column(
                3,
                fluidRow(
                  box(
                    width = 12,
                    div(h3(strong(em("Import texts"))), style = "margin-top:-57px"),
                    hr(),
                    uiOutput("runButton"),
                    conditionalPanel(
                      condition = "input.runImport > 0",
                      tags$hr(),
                      div(
                        fluidRow(
                          column(
                            6,
                            div(
                              align = "center",
                              title = "Export raw text(s) in Excel",
                              do.call("actionButton", c(list(
                                label = NULL,
                                style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                                icon = icon(name = "download-alt", lib = "glyphicon"),
                                inputId = "collection.save"
                              )))
                            )
                          ),
                          column(
                            6,
                            div(
                              align = "center",
                              title = "Back to imported text(s) ",
                              do.call("actionButton", c(back_bttn, list(
                                inputId = "importTextBack"
                              )))
                            )
                          )
                        ),
                        style = "margin-top: -15px"
                      )
                    )
                  )
                )
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$importmenu)
                  ),
                  column(1)
                )
              )
            )
          )
        )
      )
    ),

    ## EDIT ----
    ### Split ----

    tabItem(
      tabName = "split_tx",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Split Corpus"), align = "center"),
            br(),
          )
        )
      ),
      tabsetPanel(
        type = "tabs",
        tabPanel(
          "Split Results",
          fluidPage(
            fluidRow(
              column(
                9,
                shinycssloaders::withSpinner(DT::DTOutput("splitTextData"), color = getOption("spinner.color", default = "#4F7942"))
              ),
              column(
                3,
                fluidRow(
                  box(
                    width = 12,
                    div(h3(strong(em("Split texts"))), style = "margin-top:-57px"),
                    hr(),
                    textInput(
                      inputId = "txSplitWord",
                      label = "Split texts by a sequence of characters (e.g. **H1**)",
                      value = NULL
                    ),
                    hr(),
                    helpText(em(
                      "The minimum sequence of characters required to split the text must consist of at least three characters.",
                      br(), br(),
                      "It's important to note that the text used as a delimiter for splitting is case sensitive (e.g., 'CHAPTER' is different from 'chapter')."
                    )),
                    div(
                      fluidRow(
                        column(
                          4,
                          div(
                            align = "center",
                            title = t_run,
                            do.call("actionButton", c(run_bttn, list(
                              inputId = "splitTextRun"
                            )))
                          )
                        ),
                        column(
                          4,
                          div(
                            align = "center",
                            title = t_back,
                            do.call("actionButton", c(back_bttn, list(
                              inputId = "splitTextBack"
                            )))
                          )
                        ),
                        column(
                          4,
                          div(
                            align = "center",
                            title = t_save,
                            do.call("actionButton", c(list(
                              label = NULL,
                              style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                              icon = icon(name = "floppy-save", lib = "glyphicon"),
                              inputId = "splitTextSave"
                            )))
                          )
                        )
                      ),
                      style = "margin-top:-15px"
                    )
                  )
                )
              )
            )
          )
        ),
        tabPanel(
          "Info & References",
          fluidPage(
            fluidRow(
              column(1),
              column(
                10,
                br(),
                HTML(infoTexts$split)
              ),
              column(1)
            )
          )
        )
      )
    ),

    ### Random selection ----

    tabItem(
      tabName = "randomText",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Random Selection"), align = "center"),
            br(),
          )
        )
      ),
      tabsetPanel(
        type = "tabs",
        tabPanel(
          "Random Selection",
          fluidPage(
            fluidRow(
              column(
                9,
                shinycssloaders::withSpinner(DT::DTOutput("randomTextData"), color = getOption("spinner.color", default = "#4F7942"))
              ),
              column(
                3,
                fluidRow(
                  box(
                    width = 12,
                    div(h3(strong(em("Random Text Selection"))), style = "margin-top:-57px"),
                    hr(),
                    uiOutput("randomDescription"),
                    br(),
                    "Extract a random sample of texts to analyze",
                    hr(),
                    div(
                      numericInput("sampleSize",
                                   "Sample Size (%)",
                                   value = 30,
                                   min = 1,
                                   max = 100,
                                   step = 1
                      ),
                      style = "margin-top:-9px"
                    ),
                    uiOutput("sampleSizeUI"),
                    fluidRow(
                      column(4,
                             title = t_run,
                             do.call("actionButton", c(run_bttn, list(
                               inputId = "randomTextRun"
                             )))
                      ),
                      column(4,
                             title = t_back,
                             do.call("actionButton", c(back_bttn, list(
                               inputId = "randomTextBack"
                             )))
                      ),
                      column(
                        4,
                        div(
                          align = "center",
                          title = t_save,
                          do.call("actionButton", c(list(
                            label = NULL,
                            style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                                          border: 1px; margin-top: 16px;",
                            icon = icon(name = "floppy-save", lib = "glyphicon"),
                            inputId = "randomTextSave"
                          )))
                        )
                      )
                    )
                  )
                )
              )
            )
          )
        ),
        tabPanel(
          "Info & References",
          fluidPage(
            fluidRow(
              column(1),
              column(
                10,
                br(),
                HTML(infoTexts$random)
              ),
              column(1)
            )
          )
        )
      )
    ),

    ### EXTERNAL INFORMATION ----

    tabItem(
      tabName = "extInfo",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("External Information"), align = "center"),
            br(),
          )
        )
      ),
      tabsetPanel(
        type = "tabs",
        tabPanel(
          "Corpus with External Information",
          fluidPage(
            fluidRow(
              column(
                9,
                shinycssloaders::withSpinner(DT::DTOutput("extInfoData"), color = getOption("spinner.color", default = "#4F7942"))
              ),
              column(
                3,
                fluidRow(
                  box(
                    width = 12,
                    div(h3(strong(em("Add from a file"))), style = "margin-top:-57px"),
                    helpText(h5("To import external information, please make sure that the file
                           to be uploaded is in Excel format and contains a column labeled
                           'doc_id' to identify documents associated to the text(s) imported.")),
                    helpText(h5("You can download the list of doc_id associated with the imported text files below.")),
                    fluidRow(
                      column(
                        12,
                        div(
                          align = "center",
                          actionButton(
                            inputId = "doc_idExport",
                            label = strong("Export doc_id list"),
                            icon = NULL,
                            style = "border-radius: 15px; border-width: 1px; font-size: 15px;
                                                                    text-align: center; color: #ffff; "
                          )
                        )
                      )
                    ),
                    hr(),
                    fileInput(
                      inputId = "extInfoFile",
                      label = "Import external information",
                      multiple = FALSE,
                      accept = c(
                        ".xls",
                        ".xlsx"
                      ),
                      placeholder = "No file(s) selected"
                    ),
                    hr(),
                    div(
                      fluidRow(
                        column(
                          4,
                          div(
                            title = t_run,
                            do.call("actionButton", c(run_bttn, list(
                              inputId = "extInfoRun"
                            ))), align = "center"
                          )
                        ),
                        column(
                          4,
                          div(
                            align = "center",
                            title = "Back to imported text(s) ",
                            do.call("actionButton", c(back_bttn, list(
                              inputId = "extInfoTextBack"
                            )))
                          )
                        ),
                        column(
                          4,
                          div(
                            title = t_save,
                            do.call("actionButton", c(list(
                              label = NULL,
                              style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                              icon = icon(name = "floppy-save", lib = "glyphicon")
                            ), list(
                              inputId = "extInfoSave"
                            ))), align = "center"
                          )
                        )
                      ),
                      style = "margin-top: -15px"
                    )
                  )
                )
              )
            )
          )
        ),
        tabPanel(
          "Info & References",
          fluidPage(
            fluidRow(
              column(1),
              column(
                10,
                br(),
                HTML(infoTexts$externalinfo)
              ),
              column(1)
            )
          )
        )
      )
    ),

    ### PRE-PROCESSING ----

    ## Tokenization & PoS Tagging -----

    tabItem(
      tabName = "tokPos",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Tokenization & PoS Tagging"), align = "center"),
            br(),
          )
        )
      ),
      tabsetPanel(
        type = "tabs",
        tabPanel(
          "Annotated Text Table",
          fluidRow(
            column(
              8,
              shinycssloaders::withSpinner(DT::DTOutput("tokPosTagData"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            column(4,
                   div(
                     box(
                       width = 12,
                       title = tags$div(
                         style = "display: flex; align-items: center;", # Allineamento orizzontale
                         tags$h4("Language Model   ", style = "margin-top:-20px; margin-right: 40px; font-weight: bold"), # Testo con margine a destra
                         uiOutput("flagUI") # Immagine SVG
                       ),
                       br(),
                       div(
                         fluidRow(
                           column(6,
                                  div(
                                    uiOutput("optionsTokenization")
                                    # selectInput(
                                    #   inputId = 'language_model', label="Language", choices = label_lang,
                                    #   multiple=FALSE,
                                    #   width = "100%"
                                    # )
                                  ),
                                  style = "margin-top:-9px"
                           ),
                           column(6,
                                  div(
                                    uiOutput("treebankSelect")
                                    # selectInput("treebank", "Treebank", choices = "GUM")
                                  ),
                                  style = "margin-top:-9px"
                           )
                         ),
                         fluidRow(
                           column(
                             6,
                             div(
                               align = "center", style = "margin-top:-15px",
                               width = 12,
                               title = t_run,
                               do.call("actionButton", c(run_bttn, list(
                                 inputId = "tokPosRun"
                               )))
                             )
                           ),
                           column(
                             6,
                             div(
                               align = "center", style = "margin-top:-15px",
                               width = 12,
                               title = t_save,
                               do.call("actionButton", c(list(
                                 label = NULL,
                                 style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 15px;",
                                 icon = icon(name = "floppy-save", lib = "glyphicon")
                               ), list(
                                 inputId = "tokPosSave"
                               )))
                             )
                           )
                         ),
                         style = "margin-top:-5px"
                       ),
                       tags$hr(),
                       uiOutput("info_treebank"),
                       tags$hr(),
                       uiOutput("unitAnalysis")
                     )
                   ),
                   style = "margin-top:40px"
            )
          )
        ),
        tabPanel(
          "Info & References",
          fluidPage(
            fluidRow(
              column(1),
              column(
                10,
                br(),
                HTML(infoTexts$tokenization)
              ),
              column(1)
            )
          )
        )
      )
    ),

    ### POS Special Tagging ----
    tabItem(
      tabName = "posSpecial",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Tagging Special Entities"), align = "center")
          )
        )
      ),
      br(),
      fluidRow(
        column(
          9,
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Special Entities Overview",
              shinycssloaders::withSpinner(DT::DTOutput("posSpecialTags"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Annotated Text Table",
              shinycssloaders::withSpinner(DT::DTOutput("posSpecialData"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$specialentities)
                  ),
                  column(1)
                )
              )
            )
          )
        ),
        column(3,
               div(
                 box(
                   width = 12,
                   div(h3(strong(em("Special Entities"))), style = "margin-top:-57px"),
                   tags$hr(),
                   helpText(h5("When processing text, special tags will be assigned to certain detected entities.")),
                   helpText(h5("These include:")),
                   helpText(h5("•⁠  ⁠Email addresses: example@domain.com")),
                   helpText(h5("•⁠  ⁠URLs: https://www.example.com/path")),
                   helpText(h5("•  ⁠Emojis: 😊, 🚀, ❤️")),
                   helpText(h5("•⁠  ⁠Hashtags: #ExampleTag")),
                   helpText(h5("•⁠  ⁠IP addresses: 192.168.1.1")),
                   helpText(h5("•⁠  ⁠Mentions: @username")),
                   helpText(h5("This ensures that these elements are identified and marked for further analysis within the text.")),
                   style = "text-align: left; text-color: #989898",
                   br(),
                   div(
                     hr(),
                     div(
                       fluidRow(
                         column(
                           4,
                           div(
                             align = "center", style = "margin-top:-15px",
                             width = 12,
                             do.call("actionButton", c(run_bttn, list(
                               inputId = "posSpecialRun"
                             )))
                           )
                         ),
                         column(
                           4,
                           div(
                             align = "center", style = "margin-top:-15px",
                             width = 12,
                             title = t_back,
                             do.call("actionButton", c(back_bttn, list(
                               inputId = "posSpecialBack"
                             )))
                           )
                         ),
                         column(
                           4,
                           div(
                             title = t_save,
                             div(
                               align = "center",
                               do.call("actionButton", c(save_bttn, list(
                                 inputId = "posSpecialSave"
                               )))
                             )
                           )
                         )
                       ),
                       style = "margin-top: -8px"
                     ),
                     style = "margin-top:-15px"
                   )
                 )
               ),
               style = "margin-top:40px"
        )
      )
    ),

    ## Custom Term Lists -----

    tabItem(
      tabName = "custTermList",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Custom Term List Loading and Merging"), align = "center")
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Pos Tagging with Custom List",
                shinycssloaders::withSpinner(DT::DTOutput("customPosTagData"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$customterm)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Import Custom Term List"))), style = "margin-top:-57px"),
                hr(),
                # selectInput("CTLterm",
                #             "Terms:",
                #             choices = c("Tokens" = "token",
                #                         "Lemma" = "lemma"),
                #             selected = "lemma"),
                helpText(h5("Please ensure that the Custom Term List is formatted as an Excel file with two columns.
                                       In the first column include the desired terms.
                                       In the second column provide the corresponding list of PoS associated with each term.")),
                fileInput("custom_lists",
                          label = NULL,
                          multiple = TRUE,
                          accept = c(
                            ".csv",
                            ".xls",
                            ".xlsx"
                          )
                ),
                hr(),
                fluidRow(
                  column(
                    4,
                    div(
                      align = "center", style = "margin-top:-15px",
                      width = 12,
                      do.call("actionButton", c(run_bttn, list(
                        inputId = "custTermListRun"
                      )))
                    )
                  ),
                  column(
                    4,
                    div(
                      align = "center", style = "margin-top:-15px",
                      width = 12,
                      title = t_back,
                      do.call("actionButton", c(back_bttn, list(
                        inputId = "custTermListBack"
                      )))
                    )
                  ),
                  column(
                    4,
                    div(
                      title = t_save,
                      div(
                        align = "center",
                        do.call("actionButton", c(save_bttn, list(
                          inputId = "custTermSave"
                        )))
                      )
                    )
                  )
                ),
                hr(),
                div(
                  helpText("Pressing Run Button will delete previous custom PoS"),
                  style = "text-align: center"
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),

    ## Multi-Word Creation -----

    tabItem(
      tabName = "multiwordCreat",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Multi-Word Creation"), align = "center")
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            7,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Multi-Word List",
                shinycssloaders::withSpinner(DT::DTOutput("multiwordList"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Annotated Text including Multi-Word",
                shinycssloaders::withSpinner(DT::DTOutput("multiwordData"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$multiwordcreation)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            5,
            div(
              box(
                width = 12,
                div(h3(strong(em("Automatic Multi-Words"))), style = "margin-top:-57px"),
                helpText(h5("Multi-word creation extracts keywords (sequence of terms) from the text.")),
                helpText(h5("After keywords are generated, select those you wish to include in your data from the list.")),
                hr(),
                style = "text-align: left; text-color: #989898",
                fluidRow(
                  column(
                    12,
                    selectInput("MWmethod",
                                "Relevant Collocation Algorithm",
                                choices = c(
                                  "Rake" = "rake",
                                  "Pointwise Mutual Information" = "pmi",
                                  "Mutual Dependency" = "md",
                                  "Log-Frequency Biased Mutual Dependency" = "lfmd"
                                ),
                                selected = "rake"
                    )
                  ),
                  column(
                    6
                    # ,selectInput("term",
                    #             "Terms:",
                    #             choices = c("Tokens" = "token",
                    #                         "Lemma" = "lemma"),
                    #             selected = "lemma")
                  )
                ),
                fluidRow(
                  column(
                    6,
                    numericInput(
                      inputId = "ngram_max",
                      label = "Ngrams",
                      min = 2,
                      max = 10,
                      value = 4,
                      step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput(
                      inputId = "freq_minMW",
                      label = "Freq Min",
                      min = 1,
                      max = Inf,
                      value = 3,
                      step = 1
                    )
                  )
                ),
                fluidRow(column(
                  12,
                  h5(em(strong("Multi-Words created by:")))
                ), ),
                fluidRow(
                  column(
                    12,
                    div(
                      class = "multicol",
                      uiOutput("multiwordPosSel")
                    )
                  )
                ),
                hr(),
                div(
                  fluidRow(
                    column(
                      4,
                      div(
                        align = "center", style = "margin-top:-15px",
                        width = 12,
                        do.call("actionButton", c(run_bttn, list(
                          inputId = "multiwordCreatRun"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        align = "center", style = "margin-top:-15px",
                        width = 12,
                        title = t_back,
                        do.call("actionButton", c(back_bttn, list(
                          inputId = "multiwordCreatBack"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        title = t_save,
                        div(
                          align = "center",
                          do.call("actionButton", c(save_bttn, list(
                            inputId = "multiwordCreatSave"
                          )))
                        )
                      )
                    )
                  ),
                  style = "margin-top:-15px"
                ),
                hr(),
                # prova pulsante apply multiword
                uiOutput("multiwordCreatApplyUI")
              ),
              style = "margin-top:40px; width:100%;"
            )
          )
        )
      )
    ),

    ## Multi-word By a List ----
    tabItem(
      tabName = "multiwordByList",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Multi-Word Creation by a List"), align = "center")
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Multi-Word List",
                shinycssloaders::withSpinner(DT::DTOutput("multiwordList2"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Annotated Text including Multi-Word",
                shinycssloaders::withSpinner(DT::DTOutput("multiwordData2"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$multiwordlist)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Import a Multi-Word List"))), style = "margin-top:-57px"),
                helpText(h5("Please ensure that the Multi-Word List is formatted as an Excel/CSV file with one column.
                                       Each cell of that column include a multi-word. Each term have to be separated by a single whitespace.")),
                hr(),
                style = "text-align: left; text-color: #989898",
                # fluidRow(column(12,
                # selectInput("termMWL",
                #             "Terms:",
                #             choices = c("Tokens" = "token",
                #                         "Lemma" = "lemma"),
                #             selected = "lemma"))
                # ),
                fluidRow(column(
                  12,
                  fileInput("multiword_lists",
                            label = NULL,
                            multiple = TRUE,
                            accept = c(
                              ".csv",
                              ".xls",
                              ".xlsx"
                            )
                  )
                )),
                hr(),
                div(
                  fluidRow(
                    column(
                      4,
                      div(
                        align = "center", style = "margin-top:-15px",
                        width = 12,
                        do.call("actionButton", c(run_bttn, list(
                          inputId = "multiwordListRun"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        align = "center", style = "margin-top:-15px",
                        width = 12,
                        title = t_back,
                        do.call("actionButton", c(back_bttn, list(
                          inputId = "multiwordListBack"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        title = t_save,
                        div(
                          align = "center",
                          do.call("actionButton", c(save_bttn, list(
                            inputId = "multiwordListSave"
                          )))
                        )
                      )
                    )
                  ),
                  style = "margin-top:-15px"
                )
              ),
              style = "margin-top:40px; width:100%;"
            )
          )
        )
      )
    ),

    ## PoS Tag Selection -----
    tabItem(
      tabName = "posTagSelect",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("PoS Tag Selection"), align = "center")
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            8,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Annotated Text",
                shinycssloaders::withSpinner(DT::DTOutput("posTagSelectData"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$posselection)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            4,
            div(
              box(
                width = 12,
                div(h3(strong(em("Select:"))), style = "margin-top:-57px"),
                tags$hr(),
                fluidRow(column(
                  12,
                  div(
                    class = "multicol",
                    uiOutput("posTagListsUI")
                  ),
                  # h3(strong(em("Select Hapax:"))),
                  hr(),
                  div(
                    class = "multicol",
                    checkboxGroupInput("posTagHapax",
                                       label = NULL,
                                       choices = c("Hapax"),
                                       selected = "Hapax"
                    ),
                    checkboxGroupInput("posTagSingleChar",
                                       label = NULL,
                                       choices = c("Single Character"),
                                       selected = NULL
                    )
                  )
                )),
                div(
                  hr(),
                  div(
                    fluidRow(
                      column(
                        6,
                        div(
                          align = "center", style = "margin-top:-15px",
                          width = 12,
                          do.call("actionButton", c(run_bttn, list(
                            inputId = "posTagSelectRun"
                          )))
                        )
                      ),
                      column(
                        6,
                        div(
                          title = t_save,
                          div(
                            align = "center",
                            do.call("actionButton", c(save_bttn, list(
                              inputId = "posTagSelectSave"
                            )))
                          )
                        )
                      )
                    ),
                    style = "margin-top:-15px"
                  ),
                  style = "margin-top:-15px"
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),
    ### FILTER ----
    tabItem(
      tabName = "filter_text",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Filter docs by available external information"), align = "center")
          )
        ),
        fluidRow(
          column(
            9,
            shinycssloaders::withSpinner(DT::DTOutput("filterData"), color = getOption("spinner.color", default = "#4F7942"))
          ),
          column(
            3,
            fluidRow(
              box(
                width = 12,
                div(h3(strong(em("Filter by"))), style = "margin-top:-57px"),
                hr(),
                helpText(h5("Select an external information to filter docs:")),
                uiOutput("filterListUI"),
                uiOutput("filterValue"),
                hr(),
                div(
                  fluidRow(
                    column(
                      6,
                      div(
                        align = "center",
                        title = t_run,
                        do.call("actionButton", c(run_bttn, list(
                          inputId = "filterRun"
                        )))
                      )
                    ),
                    column(
                      6,
                      div(
                        align = "center",
                        title = t_back,
                        do.call("actionButton", c(back_bttn, list(
                          inputId = "filterBack"
                        )))
                      )
                    )
                  ),
                  style = "margin-top:-15px"
                ),
                br(),
                htmlOutput("filterSummary")
              )
            )
          )
        )
      )
    ),
    ### GROUPS ----
    tabItem(
      tabName = "defineGroups",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Define groups by available external information"), align = "center")
          )
        ),
        fluidRow(
          column(
            9,
            shinycssloaders::withSpinner(DT::DTOutput("defineGroupsData"), color = getOption("spinner.color", default = "#4F7942"))
          ),
          column(
            3,
            fluidRow(
              box(
                width = 12,
                div(h3(strong(em("Select external information"))), style = "margin-top:-57px"),
                hr(),
                helpText(h5("Select an external information to define new document groups:")),
                uiOutput("defineGroupsListUI"),
                uiOutput(outputId = "infoGroups"),
                hr(),
                div(
                  fluidRow(
                    div(
                      align = "center",
                      title = t_run,
                      do.call("actionButton", c(run_bttn, list(
                        inputId = "defineGroupsRun"
                      )))
                    )
                  ),
                  style = "margin-top:-15px"
                )
              )
            )
          )
        )
      )
    ),

    ### OVERVIEW ----

    tabItem(
      tabName = "overview",
      fluidPage(
        fluidRow(
          tabsetPanel(
            type = "tabs", id = "maininfo",
            tabPanel(
              "Overview",
              fluidRow(
                column(
                  11,
                  h3(strong("Overview"), align = "center")
                ),
                div(
                  title = t_report, style = style_opt,
                  column(
                    1,
                    do.call("actionButton", c(report_bttn, list(
                      inputId = "overviewReport"
                    )))
                  )
                ),
              ),
              fluidRow(
                br(),
                tagList(
                  useShinyjs(),
                  column(
                    3,
                    div(id = "clickbox1", title = "Numbers of Documents", valueBoxOutput("nDoc", width = "33vh")),
                    div(id = "clickbox2", title = "Average Document's Lenght by characters", valueBoxOutput("avgDocLengthChar", width = "33vh")),
                    div(id = "clickbox3", title = "Average Document's Length by tokens", valueBoxOutput("avgDocLengthTokens", width = "33vh")),
                    div(id = "clickbox13", title = "Lexical Density", valueBoxOutput("lexicalDensity", width = "33vh")),
                  ),
                  column(
                    3,
                    div(id = "clickbox4", title = "Number of Sentences", valueBoxOutput("nSentences", width = "33vh")),
                    div(id = "clickbox5", title = "Average Sentence's Length by characters", valueBoxOutput("avgSentLengthChar", width = "33vh")),
                    div(id = "clickbox6", title = "Average Sentence's Length by tokens", valueBoxOutput("avgSentLengthTokens", width = "33vh")),
                    div(id = "clickbox14", title = "Nominal Ratio", valueBoxOutput("nominalRatio", width = "33vh"))
                  ),
                  column(
                    3,
                    div(id = "clickbox7", title = "Number of Types", valueBoxOutput("nDictionary", width = "33vh")),
                    div(id = "clickbox8", title = "Number of Tokens", valueBoxOutput("nTokens", width = "33vh")),
                    div(id = "clickbox9", title = "Number of Lemma", valueBoxOutput("nLemmas", width = "33vh")),
                    div(id = "clickbox15", title = "Gini Index", valueBoxOutput("giniIndex", width = "33vh"))
                  ),
                  column(
                    3,
                    div(id = "clickbox10", title = "Types/Tokens Ratio", valueBoxOutput("TTR", width = "33vh")),
                    div(id = "clickbox11", title = "Percentage of Hapax", valueBoxOutput("hapax", width = "33vh")),
                    div(id = "clickbox12", title = "Guiraud Index", valueBoxOutput("guiraud", width = "33vh")),
                    div(id = "clickbox16", title = "Yule's K", valueBoxOutput("yuleK", width = "33vh"))
                  ),
                )
              )
            ),
            tabPanel(
              "Table",
              div(
                shinycssloaders::withSpinner(DT::DTOutput(outputId = "overviewData", width = 700),
                                             color = getOption("spinner.color", default = "#4F7942")
                ),
                align = "center"
              )
            ),
            tabPanel(
              "Vocabulary",
              column(12,
                     div(
                       shinycssloaders::withSpinner(DT::DTOutput(outputId = "dictionaryData", width = 700),
                                                    color = getOption("spinner.color", default = "#4F7942")
                       )
                     ),
                     align = "center"
              )
              # ,column(1)
            ),
            tabPanel(
              "TF-IDF",
              column(12,
                     div(
                       shinycssloaders::withSpinner(DT::DTOutput(outputId = "tfidfData", width = 700),
                                                    color = getOption("spinner.color", default = "#4F7942")
                       )
                     ),
                     align = "center"
              )
            ),
            tabPanel(
              "WordCloud",
              column(
                9,
                shinycssloaders::withSpinner(visNetworkOutput("wordcloudPlot", width = "auto", height = "75vh"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
                # wordcloud2::wordcloud2Output("wordcloudPlot", height = "75vh")
              ),
              column(
                3,
                div(
                  box(
                    width = 12,
                    fluidRow(
                      column(
                        12,
                        div(
                          numericInput("nWC",
                                       label = "Words",
                                       value = 100,
                                       min = 10,
                                       max = 500,
                                       step = 1
                          ),
                          numericInput("labelsizeWC",
                                       label = "Text Size",
                                       value = 10,
                                       min = 1,
                                       max = 20,
                                       step = 1
                          ),
                          style = "margin-top:-3px"
                        )
                      )
                    ),
                    fluidRow(
                      column(
                        6,
                        div(
                          align = "center", style = "margin-top:15px",
                          width = 12,
                          do.call("actionButton", c(run_bttn, list(
                            inputId = "wcApply"
                          )))
                        )
                      ),
                      column(
                        6,
                        div(
                          align = "center", style = "margin-top:15px",
                          width = 12,
                          # do.call("actionButton", c(export_bttn, list(
                          #   inputId = "wcSave")
                          # ))
                          do.call("actionButton", c(export_bttn, list(
                            inputId = "wcSave"
                          )))
                        )
                      )
                    ),
                    align = "left"
                  )
                )
              )
            ),
            tabPanel(
              "Frequency",
              fluidPage(
                fluidRow(
                  column(
                    8,
                    h3(strong("Word Frequency by PoS"), align = "center")
                  ),
                  div(
                    title = t_run,
                    column(
                      1,
                      do.call("actionButton", c(run_bttn, list(
                        inputId = "wFreqApply"
                      )))
                    )
                  ),
                  div(
                    title = t_export,
                    column(
                      1,
                      do.call("actionButton", c(export_bttn, list(
                        inputId = "wFreqExport"
                      ))),
                    )
                  ),
                  div(
                    title = t_report,
                    column(
                      1,
                      do.call("actionButton", c(report_bttn, list(
                        inputId = "wFreqReport"
                      )))
                    )
                  ),
                  div(
                    column(
                      1,
                      dropdown(
                        h4(strong("Options: ")),
                        hr(),
                        numericInput("wFreqN",
                                     label = ("Number of words"),
                                     value = 20
                        ),
                        uiOutput("posSelectionFreq"),
                        # selectInput("wFreqTerm",
                        #             "Terms:",
                        #             choices = c("Tokens" = "token",
                        #                         "Lemma" = "lemma"),
                        #             selected = "lemma"),
                        width = "220px", icon = icon("cog", lib = "glyphicon"),
                        right = TRUE, animate = TRUE,
                        tooltip = tooltipOptions(title = "Options"),
                        style = "material-circle", size = "sm"
                      )
                    ),
                    style = style_opt
                  )
                ),
                fluidRow(
                  column(
                    6,
                    shinycssloaders::withSpinner(plotlyOutput(outputId = "wFreqPlot", height = "75vh", width = "98.9%"),
                                                 color = getOption("spinner.color", default = "#4F7942")
                    )
                  ),
                  column(6,
                         br(),
                         shinycssloaders::withSpinner(DT::DTOutput("wFreqTable", width = "90.0%"),
                                                      color = getOption("spinner.color", default = "#4F7942")
                         ),
                         align = "center"
                  )
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(
                    12,
                    br(),
                    shinycssloaders::withSpinner(htmlOutput("OverviewGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                 image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$overview)
                  ),
                  column(1)
                )
              )
            )
          ) # , align="center"
        )
      )
    ),

    ### WORDS ----

    ## Frequency List----

    ## Words Frequency by PoS----

    # tabItem(tabName = "w_freq",
    #         fluidPage(
    #           fluidRow(
    #             column(8,
    #                    h3(strong("Word Frequency by PoS"), align = "center")
    #             ),
    #             div(
    #               title = t_run,
    #               column(1,
    #                      do.call("actionButton", c(run_bttn, list(
    #                        inputId = "wFreqApply")
    #                      ))
    #               )),

    #             div(
    #               title = t_export,
    #               column(1,
    #                      do.call("actionButton", c(export_bttn, list(
    #                        inputId = "wFreqExport")
    #                      )),
    #               )),
    #             div(
    #               title = t_report,
    #               column(1,
    #                      do.call("actionButton", c(report_bttn, list(
    #                        inputId = "wFreqReport")
    #                      ))
    #               )),
    #             div(column(1,
    #                        dropdown(
    #                          h4(strong("Options: ")),
    #                          hr(),
    #                          numericInput("wFreqN",
    #                                       label=("Number of words"),
    #                                       value = 20),
    #                          uiOutput("posSelectionFreq"),
    #                          # selectInput("wFreqTerm",
    #                          #             "Terms:",
    #                          #             choices = c("Tokens" = "token",
    #                          #                         "Lemma" = "lemma"),
    #                          #             selected = "lemma"),
    #                          width = "220px", icon = icon("cog", lib="glyphicon"),
    #                          right = TRUE, animate = TRUE,
    #                          tooltip = tooltipOptions(title = "Options"),
    #                          style = "material-circle", size = "sm"
    #                        )

    #             ),
    #             style = style_opt
    #             )
    #           ),
    #           fluidRow(
    #             tabsetPanel(type = "tabs",
    #                         tabPanel("Plot",
    #                                  shinycssloaders::withSpinner(plotlyOutput(outputId = "wFreqPlot", height = "75vh",width ="98.9%"),
    #                                                               color = getOption("spinner.color", default = "#4F7942"))
    #                         ),
    #                         tabPanel("Table",
    #                                  shinycssloaders::withSpinner(DT::DTOutput("wFreqTable", width = 700),
    #                                                               color = getOption("spinner.color", default = "#4F7942")),
    #                                  align="center"
    #                         )
    #             )
    #           )
    #         )
    # ),

    ### Part of Speech ----
    tabItem(
      tabName = "w_pos",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Part of Speech Frequency List"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "posApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "posExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "posReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                numericInput("posN",
                             label = ("Number of PoS"),
                             value = 20
                ),
                width = "220px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                tooltip = tooltipOptions(title = "Options"),
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Plot",
              shinycssloaders::withSpinner(plotlyOutput(outputId = "posPlot", height = "75vh", width = "98.9%"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel("Table",
                     shinycssloaders::withSpinner(DT::DTOutput("posTable", width = 700),
                                                  color = getOption("spinner.color", default = "#4F7942")
                     ),
                     align = "center"
            )
          )
        )
      )
    ),

    ## Words in Context -----

    tabItem(
      tabName = "wordCont",
      fluidPage(
        fluidRow(
          column(
            12,
            h3(strong("Words in Context"), align = "center")
          )
        )
      ),
      br(),
      br(),
      fluidRow(
        column(
          9,
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Words in Context",
              div(
                style = "height: 550px; overflow-y: scroll; border: 1px solid #ccc; padding: 10px; background-color: #f9f9f9;",
                shinycssloaders::withSpinner(uiOutput("wordsContHtml"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              )
            ),
            tabPanel(
              "Network",
              shinycssloaders::withSpinner(visNetworkOutput("wordsContNetwork", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$wordincontext)
                  ),
                  column(1)
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(
                    12,
                    br(),
                    shinycssloaders::withSpinner(htmlOutput("ContextGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                 image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
        ),
        column(
          3,
          div(
            box(
              width = 12,
              div(h3(strong(em("Words in Context"))), style = "margin-top:-57px"),
              tags$hr(),
              style = "text-align: left; text-color: #989898",
              selectizeInput(
                inputId = "wordsContSearch",
                label = "Search word(s) in text", choices = NULL
              ),
              h4("Window Length:"),
              fluidRow(
                column(
                  6,
                  numericInput(
                    inputId = "wordsContBefore",
                    label = "Before",
                    value = 5,
                    min = 1,
                    max = 20
                  )
                ),
                column(
                  6,
                  numericInput(
                    inputId = "wordsContAfter",
                    label = "After",
                    value = 5,
                    min = 1,
                    max = 20
                  )
                )
              ),
              fluidRow(
                column(
                  4,
                  div(
                    align = "center",
                    title = "Apply",
                    do.call("actionButton", c(list(
                      label = NULL,
                      style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                      icon = icon(name = "play", lib = "glyphicon"),
                      inputId = "wordsContApply"
                    )))
                  )
                ),
                column(
                  4,
                  div(
                    align = "center",
                    title = "Reset",
                    do.call("actionButton", c(list(
                      label = NULL,
                      style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                      icon = icon(name = "remove", lib = "glyphicon"),
                      inputId = "wordsContReset"
                    )))
                  )
                ),
                column(
                  4,
                  div(
                    align = "center",
                    title = "Export raw text(s) in Excel",
                    do.call("actionButton", c(list(
                      label = NULL,
                      style = "display:block; height: 37px; width: 37px; border-radius: 50%;
                                      border: 1px; margin-top: 16px;",
                      icon = icon(name = "download-alt", lib = "glyphicon"),
                      inputId = "wordsContSave"
                    )))
                  )
                )
              )
            ),
            style = "margin-top:40px"
          )
        )
      )
    ),

    ### Clustering ----
    tabItem(
      tabName = "w_clustering",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Clustering"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_clusteringApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_clusteringExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_clusteringReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                # selectInput("termClustering",
                #             "By:",
                #             choices = c("Tokens" = "token",
                #                         "Lemma" = "lemma"),
                #             selected = "lemma"),
                selectInput("w_clusteringSimilarity",
                            label = "Words Similarity by:",
                            choices = c(
                              "None" = "none",
                              "Association Index" = "association",
                              "Cosine Similarity" = "cosine",
                              "Jaccard Index" = "jaccard"
                            ),
                            selected = "association"
                ),
                selectInput("w_clusteringMode",
                            label = "Cluster selection:",
                            choices = c(
                              "Auto" = "auto",
                              "Manual" = "manual"
                            ),
                            selected = "auto"
                ),
                conditionalPanel(
                  condition = "input.w_clusteringMode == 'manual'",
                  numericInput("w_nclusters",
                               label = "N. of Clusters",
                               value = 1,
                               min = 1,
                               step = 1
                  )
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("w_clusteringNMax",
                                 label = "Words",
                                 value = 50,
                                 min = 2,
                                 step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput("w_clusteringLabelSize",
                                 label = "Label Size",
                                 value = 4,
                                 min = 1,
                                 step = 0.5
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Dendrogram",
              shinycssloaders::withSpinner(visNetworkOutput("w_clusteringPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Table",
              shinycssloaders::withSpinner(DT::DTOutput("w_clusteringTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            )
          )
        )
      )
    ),

    ### Reinert Clustering ----
    tabItem(
      tabName = "w_reinclustering",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Reinert Clustering"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_reinclusteringApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_reinclusteringExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_reinclusteringReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                # selectInput("termReinClustering",
                #             "By:",
                #             choices = c("Tokens" = "token",
                #                         "Lemma" = "lemma"),
                #             selected = "token"),
                fluidRow(
                  column(
                    6,
                    numericInput("w_rein_k",
                                 label = "Max N. of Clusters",
                                 value = 10,
                                 min = 1,
                                 step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput("w_rein_min_split_members",
                                 label = "Min. Segments per Cluster",
                                 value = 10,
                                 min = 1,
                                 step = 1
                    )
                  )
                ),
                hr(),
                h4(("Segment parameters ")),
                fluidRow(
                  column(
                    6,
                    numericInput("w_rein_segments_size",
                                 label = "Segment Lenght",
                                 value = 40,
                                 min = 3,
                                 step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput("w_rein_min_segments",
                                 label = "Min. Segment Lenght",
                                 value = 5,
                                 min = 3,
                                 step = 1
                    )
                  )
                ),
                hr(),
                h4(("Feature selection parameters")),
                fluidRow(
                  column(
                    6,
                    numericInput("w_rein_cc_test",
                                 label = "Contingency Coefficient Value",
                                 value = 0.3,
                                 min = 0.1,
                                 step = 0.1,
                                 max = 0.8
                    )
                  ),
                  column(
                    6,
                    numericInput("w_rein_tsj",
                                 label = "Min freq",
                                 value = 3,
                                 min = 1,
                                 step = 1
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Dendrogram",
              br(),
              uiOutput("ReinCutree"),
              shinycssloaders::withSpinner(visNetworkOutput("w_ReinClusteringPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Summary",
              shinycssloaders::withSpinner(DT::DTOutput("w_ReinSummaryTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Terms by Cluster",
              shinycssloaders::withSpinner(DT::DTOutput("w_ReinClusteringTableTerms"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Segments by Cluster",
              shinycssloaders::withSpinner(DT::DTOutput("w_ReinClusteringTableSegments"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$reinert)
                  ),
                  column(1)
                )
              )
            )
          )
        )
      )
    ),

    ### Correspondence Analysis ----
    tabItem(
      tabName = "ca",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Correspondence Analysis"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "caApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "caExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "caReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                selectInput(
                  inputId = "groupCA",
                  label = "Unit of Analysis ",
                  choices = c("Groups", "Documents", "Paragraphs", "Sentences"),
                  selected = "Documents"
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("nCA",
                                 label = "Words",
                                 value = 50,
                                 min = 2,
                                 step = 1
                    )
                  ),
                  column(6)
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("nClustersCA",
                                 label = "Clusters",
                                 value = 1,
                                 min = 1,
                                 step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput("nDimsCA",
                                 label = "Dims for Clustering",
                                 value = 2,
                                 min = 1,
                                 max = 10,
                                 step = 1
                    )
                  )
                ),
                hr(),
                h4(strong("Graphical options: ")),
                br(),
                selectInput("dimPlotCA",
                            "Select plane to plot:",
                            choices = c(
                              "1° Factorial Plane" = "1",
                              "2° Factorial Plane" = "2",
                              "3° Factorial Plane" = "3",
                              "4° Factorial Plane" = "4",
                              "5° Factorial Plane" = "5"
                            ),
                            selected = "1"
                ),
                numericInput("nDocCA",
                             label = "Top Contributing Docs/Groups",
                             value = 0,
                             min = 0,
                             step = 1
                ),
                numericInput("lim.contribCA",
                             label = "Max Contribution",
                             value = 2,
                             min = 0.01,
                             max = 10,
                             step = 0.01
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("labelsizeCA",
                                 label = "Label Size",
                                 value = 16,
                                 min = 2,
                                 step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput("sizeCA",
                                 label = "Min. Dot Size",
                                 value = 2,
                                 min = 0,
                                 max = 20,
                                 step = 1
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              ),
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Factorial Plane",
              shinycssloaders::withSpinner(plotlyOutput(outputId = "caPlot", height = "75vh", width = "98.9%"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Dendrogram",
              shinycssloaders::withSpinner(visNetworkOutput("caDendrogram", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Singular Values",
              shinycssloaders::withSpinner(DT::DTOutput("caSingularValueTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Coordinates",
              shinycssloaders::withSpinner(DT::DTOutput("caCoordTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Contributions",
              shinycssloaders::withSpinner(DT::DTOutput("caContribTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Cosines Squared",
              shinycssloaders::withSpinner(DT::DTOutput("caCosineTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$correspondenceanalysis)
                  ),
                  column(1)
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(12,
                         br(),
                         shinycssloaders::withSpinner(htmlOutput("caGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                      image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
        )
      )
    ),


    ### Network ----

    ## Co-word analysis ----

    tabItem(
      tabName = "w_networkCooc",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Co-word analysis"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_networkCoocApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_networkCoocExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_networkCoocReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                selectInput(
                  inputId = "w_groupNet",
                  label = "Co-occurrences in ",
                  choices = c("Groups", "Documents", "Paragraphs", "Sentences"),
                  selected = "Sentences"
                ),
                materialSwitch(
                  inputId = "noOverlap",
                  label = "Avoid label overlap",
                  value = TRUE,
                  status = "success"
                ),
                materialSwitch(
                  inputId = "interLinks",
                  label = "Inter-group links",
                  value = TRUE,
                  status = "success"
                ),
                materialSwitch(
                  inputId = "removeIsolated",
                  label = "Delete isolated nodes",
                  value = FALSE,
                  status = "success"
                ),
                selectInput("normalizationCooc",
                            label = "Normalization by:",
                            choices = c(
                              "None" = "none",
                              "Association Index" = "association",
                              "Cosine Similarity" = "cosine",
                              "Jaccard Index" = "jaccard"
                            ),
                            selected = "association"
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("nMax",
                                 label = "Words",
                                 value = 100,
                                 min = 2,
                                 step = 1
                    ),
                    numericInput("labelSize",
                                 label = "Label Size",
                                 value = 4,
                                 min = 1,
                                 step = 0.5
                    )
                  ), column(
                    6,
                    selectInput("minEdges",
                                label = "Top Link (%)",
                                choices = c("Auto", paste0(seq(10, 100, 10), "%")),
                                selected = "Auto"
                    ),
                    numericInput("opacity",
                                 label = "Opacity",
                                 value = 0.6,
                                 min = 0,
                                 step = 0.1
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Network",
              shinycssloaders::withSpinner(visNetworkOutput("w_networkCoocPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Words",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkCoocNodesTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Links",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkCoocEdgesTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$cowordanalysis)
                  ),
                  column(1)
                )
              )
            ),tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(12,
                         br(),
                         shinycssloaders::withSpinner(htmlOutput("w_networkGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                      image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
        )
      )
    ),

    ## Thematic Map ----

    tabItem(
      tabName = "w_networkTM",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Thematic Map"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_networkTMApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_networkTMExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_networkTMReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                selectInput(
                  inputId = "w_groupTM",
                  label = "Co-occurrences in ",
                  choices = c("Groups", "Documents", "Paragraphs", "Sentences"),
                  selected = "Sentences"
                ),
                materialSwitch(
                  inputId = "noOverlapTM",
                  label = "Avoid label overlap",
                  value = TRUE,
                  status = "success"
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("nMaxTM",
                                 label = "Words",
                                 value = 250,
                                 min = 2,
                                 step = 1
                    ),
                    numericInput("labelSizeTM",
                                 label = "Label Size",
                                 value = 4,
                                 min = 1,
                                 step = 0.5
                    )
                  ), column(
                    6,
                    numericInput("n.labelsTM",
                                 label = "Labels",
                                 value = 3,
                                 min = 0,
                                 step = 1
                    ),
                    numericInput("opacityTM",
                                 label = "Opacity",
                                 value = 0.6,
                                 min = 0,
                                 step = 0.1
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Thematic Map",
              shinycssloaders::withSpinner(plotlyOutput("w_networkTMMapPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Network",
              shinycssloaders::withSpinner(visNetworkOutput("w_networkTMNetPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Clusters",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkTMClusterTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Words",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkTMWordTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$thematicmap)
                  ),
                  column(1)
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(12,
                         br(),
                         shinycssloaders::withSpinner(htmlOutput("w_networkTMGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                      image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
        )
      )
    ),

    ## WORD EMBEDDINGS TRAINING----

    tabItem(
      tabName = "w_word2vec",
      fluidPage(
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Embedding Distributions",
                shinycssloaders::withSpinner(plotlyOutput("w_word2vecBoxplot", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Embedding Dimensions",
                shinycssloaders::withSpinner(DT::DTOutput("w_word2vecTable"),
                                             color = getOption("spinner.color", default = "#4F7942")
                ),
                shinycssloaders::withSpinner(plotlyOutput("w_word2vecPCA", width = "auto", height = "50vh"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              # ,tabPanel("Links",
              #          shinycssloaders::withSpinner(DT::DTOutput("w_networkGrakoEdgesTable"),
              #                                       color = getOption("spinner.color", default = "#4F7942"))
              # )
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$embeddingtrain)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Model Training"))), style = "margin-top:-57px"),
                tags$hr(),
                style = "text-align: left; text-color: #989898",
                h4("Options:"),
                selectizeInput(
                  inputId = "w2vMethod",
                  label = "Embedding Method",
                  choices = c(
                    "Continuous Bag of Words" = "cbow",
                    "Skip-Gram" = "skip-gram"
                  ),
                  selected = "cbow"
                ),
                fluidRow(
                  column(
                    6,
                    numericInput(
                      inputId = "w2vDim",
                      label = "Dimensions",
                      value = 100,
                      min = 10,
                      step = 1
                    )
                  ),
                  column(
                    6,
                    numericInput(
                      inputId = "w2vIter",
                      label = "Iterations",
                      value = 20,
                      min = 5,
                      max = 100
                    )
                  )
                ),
                fluidRow(
                  column(4,
                         align = "center",
                         do.call("actionButton", c(run_bttn, list(
                           inputId = "w2vApply"
                         )))
                  ),
                  column(4,
                         align = "center",
                         do.call("actionButton", c(export_bttn, list(
                           inputId = "w2vSave"
                         )))
                  ),
                  column(4,
                         align = "center",
                         do.call("actionButton", c(report_bttn, list(
                           inputId = "w2vReport"
                         )))
                  )
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),

    ## WORD EMBEDDING SIMILARITY ----
    tabItem(
      tabName = "w_w2v_similarity",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Embedding Similarity"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_w2v_similarityApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_w2v_similarityExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_w2v_similarityReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                br(),
                numericInput("w_w2v_similarityN",
                             label = "Top Words",
                             min = 1,
                             value = 100,
                             step = 1
                ),
                sliderInput("w_w2v_font_size",
                            "Font Size",
                            min = 8, max = 30, value = 14, step = 1
                ),
                selectInput("w_w2v_overlap",
                            "Avoid Label Overlap",
                            choices = c("No" = "none",
                                        "Hide" = "hide",
                                        "Transparency" = "transparency"),
                            selected = "transparency"),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Similarity Network",
              fluidRow(
                column(11,
                       align = "right",
                       uiOutput("w_w2v_Selected")
                ),
                column(1,
                       title = "Back to the full network",
                       do.call("actionButton", c(x_bttn, list(
                         inputId = "w_w2v_Back"
                       )))
                       )
              ),
              shinycssloaders::withSpinner(visNetworkOutput("w_w2vNetworkplot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "UMAP",
              shinycssloaders::withSpinner(plotlyOutput("w_w2vUMAPplot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$embeddingsimilarity)
                  ),
                  column(1)
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(12,
                         br(),
                         shinycssloaders::withSpinner(htmlOutput("w_w2vGeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                      image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
          )
      ),

    ## GRAKO ----

    tabItem(
      tabName = "w_networkGrako",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Grako"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "w_networkGrakoApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "w_networkGrakoExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "w_networkGrakoReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                br(),
                # selectInput(inputId="grako_term",
                #             label = "By:",
                #             choices = c(
                #               "Tokens"="token",
                #               "Lemma"="lemma"),
                #             selected = "lemma"
                # ),
                selectInput("grakoNormalization",
                            label = "Normalization by:",
                            choices = c(
                              "None" = "none",
                              "Association Index" = "association",
                              "Cosine Similarity" = "cosine",
                              "Jaccard Index" = "jaccard"
                            ),
                            selected = "association"
                ),
                materialSwitch(
                  inputId = "grakoUnigram",
                  label = "Include Single words",
                  value = TRUE,
                  status = "success"
                ),
                fluidRow(
                  column(
                    6,
                    numericInput("grakoNMax",
                                 label = "Links",
                                 value = 30,
                                 min = 2,
                                 step = 1
                    ),
                    numericInput("grakoMinEdges",
                                 label = "Top Link (%)",
                                 value = 100,
                                 min = 0,
                                 max = 100,
                                 step = 1
                    )
                  ), column(
                    6,
                    numericInput("grakoLabelSize",
                                 label = "Label Size",
                                 value = 4,
                                 min = 0.0,
                                 step = 0.5
                    ),
                    numericInput("grakoOpacity",
                                 label = "Opacity",
                                 value = 0.6,
                                 min = 0,
                                 step = 0.1
                    )
                  )
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Network",
              shinycssloaders::withSpinner(visNetworkOutput("w_networkGrakoPlot", width = "auto", height = "75vh"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Words",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkGrakoNodesTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Links",
              shinycssloaders::withSpinner(DT::DTOutput("w_networkGrakoEdgesTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            )
          )
        )
      )
    ),

    ### DOCUMENTS ----

    ### Topic Modeling ----
    ### K choice ----

    tabItem(
      tabName = "d_tm_select",
      fluidPage(
        fluidRow(
          column(
            9,
            h3(strong("Topic Modeling: Optimal selection of topic number"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "d_tm_selectApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "d_tm_selectExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "d_tm_selectReport"
              )))
            )
          )
        ),
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Tuning Plot",
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_selectPlot", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Table",
                shinycssloaders::withSpinner(DT::DTOutput("d_tm_selectTable"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$tmkchoice)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Find optimal K"))), style = "margin-top:-57px"),
                tags$hr(),
                style = "text-align: left; text-color: #989898",
                selectInput(
                  inputId = "groupTm",
                  label = "Topics",
                  choices = c(
                    "Groups" = "Groups",
                    "Docs" = "doc_id",
                    "Sentences" = "sentence_id"
                  ),
                  selected = "doc_id"
                ),
                selectInput("metric", "Metric for model tuning",
                            choices = c(
                              "CaoJuan-2009" = "CaoJuan2009",
                              "Deveaud-2014" = "Deveaud2014",
                              "Arun-2010" = "Arun2010",
                              "Perplexity" = "Perplexity"
                            ),
                            selected = "CaoJuan2009"
                ),
                fluidRow(
                  column(6),
                  column(
                    6,
                    numericInput("nTm",
                                 label = "N. of terms",
                                 value = 100,
                                 min = 1,
                                 step = 1
                    )
                  )
                ),
                selectInput("top_by", "Terms selection by:",
                            choices = c(
                              "Frequency" = "freq",
                              "TF-IDF" = "tfidf"
                            ),
                            selected = "freq"
                ),
                fluidRow(
                  column(
                    4,
                    numericInput("minK",
                                 label = "K min",
                                 value = 2,
                                 min = 2,
                                 step = 1
                    )
                  ),
                  column(
                    4,
                    numericInput("maxK",
                                 label = "K max",
                                 value = 20,
                                 min = 3,
                                 step = 1
                    )
                  ),
                  column(
                    4,
                    numericInput("Kby",
                                 label = "K by:",
                                 value = 1,
                                 min = 1,
                                 step = 1
                    )
                  )
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),

    ### Model estimation ----

    tabItem(
      tabName = "d_tm_estim",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Topic Modeling: Model estimation"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "d_tm_estimApply"
              )))
            )
          ),
          div(
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "d_tm_estimExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "d_tm_estimReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                materialSwitch(
                  inputId = "tmKauto",
                  label = "Automatic Topic Selection",
                  value = TRUE,
                  status = "success"
                ),
                conditionalPanel(
                  "!input.tmKauto",
                  numericInput("KEstim",
                               label = "N. of Topics (K)",
                               value = 2,
                               min = 2,
                               step = 1
                  )
                ),
                selectInput(
                  inputId = "groupTmEstim",
                  label = "Topics",
                  choices = c(
                    "Groups" = "Groups",
                    "Docs" = "doc_id",
                    "Sentences" = "sentence_id"
                  ),
                  selected = "doc_id"
                ),
                fluidRow(
                  column(6),
                  column(
                    6,
                    numericInput("nTmEstim",
                                 label = "N. of terms",
                                 value = 100,
                                 min = 1,
                                 step = 1
                    )
                  )
                ),
                selectInput("top_byEstim", "Terms selection by:",
                            choices = c(
                              "Frequency" = "freq",
                              "TF-IDF" = "tfidf"
                            ),
                            selected = "freq"
                ),
                hr(),
                numericInput("nTopicPlot",
                             label = "Word/Docs per Topic",
                             value = 10,
                             min = 2,
                             step = 1
                ),
                tooltip = tooltipOptions(title = "Options"),
                width = "300px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        tabsetPanel(
          type = "tabs",
          tabPanel(
            "Topic by Words Plot",
            fluidRow(
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_estimTPlot1", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_estimTPlot2", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_estimTPlot3", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              )
            ),
            fluidRow(
              actionButton("TMplotLeft", icon("menu-left", lib = "glyphicon")),
              actionButton("TMplotRight", icon("menu-right", lib = "glyphicon")),
              align = "center"
            )
          ),
          tabPanel(
            "Topic by Docs Plot",
            fluidRow(
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_DocPlot1", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_DocPlot2", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              column(
                4,
                shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_DocPlot3", height = "75vh", width = "98.9%"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              )
            ),
            fluidRow(
              actionButton("TMdocLeft", icon("menu-left", lib = "glyphicon")),
              actionButton("TMdocRight", icon("menu-right", lib = "glyphicon")),
              align = "center"
            )
          ),
          tabPanel(
            "Beta Probability",
            shinycssloaders::withSpinner(DT::DTOutput("d_tm_estimBpTable"),
                                         color = getOption("spinner.color", default = "#4F7942")
            )
          ),
          tabPanel(
            "Theta Probability",
            shinycssloaders::withSpinner(DT::DTOutput("d_tm_estimTpTable"),
                                         color = getOption("spinner.color", default = "#4F7942")
            )
          ),
          tabPanel(
            "Topic Correlation",
            shinycssloaders::withSpinner(plotlyOutput(outputId = "d_tm_networkPlot", height = "75vh", width = "98.9%"),
                                         # visNetworkOutput("d_tm_networkPlot", width="auto", height = "75vh"),
                                         color = getOption("spinner.color", default = "#4F7942")
            )
          ),
          tabPanel(
            "Info & References",
            fluidPage(
              fluidRow(
                column(1),
                column(
                  10,
                  br(),
                  HTML(infoTexts$tmmodelestimation)
                ),
                column(1)
              )
            )
          ),
          tabPanel(
            "TALL AI",
            fluidPage(
              fluidRow(
                column(12,
                       br(),
                       shinycssloaders::withSpinner(htmlOutput("d_tm_GeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                    image = "ai_small2.gif", color = "#4F7942")
                )
              )
            )
          )
        )
      )
    ),

    ### Polarity detection ----

    tabItem(
      tabName = "d_polDet",
      fluidPage(
        fluidRow(
          column(
            8,
            h3(strong("Polarity Detection"), align = "center")
          ),
          div(
            title = t_run,
            column(
              1,
              do.call("actionButton", c(run_bttn, list(
                inputId = "d_polDetApply"
              )))
            )
          ),
          div( # style=style_bttn,
            title = t_export,
            column(
              1,
              do.call("actionButton", c(export_bttn, list(
                inputId = "d_polDetExport"
              )))
            )
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "d_polDetReport"
              )))
            )
          ),
          div(
            column(
              1,
              dropdown(
                h4(strong("Options: ")),
                hr(),
                selectInput(
                  inputId = "groupPolarity",
                  label = "Polarity of",
                  choices = c(
                    "Groups" = "Groups",
                    "Docs" = "doc_id"
                  ),
                  selected = "doc_id"
                ),
                uiOutput("lexiconD_polarity"),
                tooltip = tooltipOptions(title = "Options"),
                width = "220px", icon = icon("cog", lib = "glyphicon"),
                right = TRUE, animate = TRUE,
                style = "material-circle", size = "sm"
              )
            ),
            style = style_opt
          )
        ),
        fluidRow(
          tabsetPanel(
            type = "tabs",
            tabPanel(
              "Document Polarity Distribution",
              fluidRow(
                column(
                  6,
                  shinycssloaders::withSpinner(plotlyOutput(outputId = "d_polPiePlot", height = "75vh", width = "98.9%"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  )
                ),
                column(
                  6,
                  shinycssloaders::withSpinner(plotlyOutput(outputId = "d_polDensPlot", height = "37vh", width = "98.9%"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  ), # ),
                  shinycssloaders::withSpinner(plotlyOutput(outputId = "d_polBoxPlot", height = "37vh", width = "98.9%"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  ) # )
                )
              )
            ),
            tabPanel(
              "Top Words",
              fluidRow(
                column(6,
                       align = "center",
                       h4("Top Positive Words by Document Polarity Distribution"),
                       shinycssloaders::withSpinner(plotlyOutput(outputId = "d_polDetPlotPos", height = "75vh", width = "98.9%"),
                                                    color = getOption("spinner.color", default = "#4F7942")
                       )
                ),
                column(6,
                       align = "center",
                       h4("Top Negative Words by Document Polarity Distribution"),
                       shinycssloaders::withSpinner(plotlyOutput(outputId = "d_polDetPlotNeg", height = "75vh", width = "98.9%"),
                                                    color = getOption("spinner.color", default = "#4F7942")
                       )
                )
              )
            ),
            tabPanel(
              "Table",
              shinycssloaders::withSpinner(DT::DTOutput("d_polDetTable"),
                                           color = getOption("spinner.color", default = "#4F7942")
              )
            ),
            tabPanel(
              "Info & References",
              fluidPage(
                fluidRow(
                  column(1),
                  column(
                    10,
                    br(),
                    HTML(infoTexts$polaritydetection)
                  ),
                  column(1)
                )
              )
            ),
            tabPanel(
              "TALL AI",
              fluidPage(
                fluidRow(
                  column(12,
                         br(),
                         shinycssloaders::withSpinner(htmlOutput("d_polDet_GeminiUI"), caption = HTML("<br><strong>Thinking...</strong>"),
                                                      image = "ai_small2.gif", color = "#4F7942")
                  )
                )
              )
            )
          )
        )
      )
    ),

    ### Abstractive Summarization ----

    tabItem(
      tabName = "d_astractive",
      fluidPage(
        fluidRow(
          column(
            11,
            h3(strong("Abstractive Summarization"), align = "center")
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "d_astractiveReport"
              )))
            )
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Abstract",
                  shinycssloaders::withSpinner(uiOutput("summaryData"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  )
              ),
              tabPanel(
                "Full Document",
                shinycssloaders::withSpinner(uiOutput("documentData2"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$summarization)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Abstractive Summarization"))), style = "margin-top:-57px"),
                h5(("TALL generates a coherent and concise summary by interpreting and paraphrasing the main ideas from the original text"),
                   style = "text-align: left; text-color: #989898"
                ),
                tags$hr(),
                fluidRow(column(
                  12,
                  uiOutput("optionsUnitAbstractive"),
                  uiOutput("optionsAbstractive"),
                  numericInput("summaryLength",
                               label = "Summary Length (in words)",
                               value = 250,
                               min = 10,
                               step = 10,
                               max = 16384
                  ),
                  uiOutput("abstractivePromptUI"),
                )),
                hr(),
                div(
                  fluidRow(
                    column(
                      4,
                      div(
                        align = "center",
                        title = t_run,
                        do.call("actionButton", c(run_bttn, list(
                          inputId = "d_abstractiveApply"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        align = "center",
                        title = t_view,
                        do.call("actionButton", c(view_bttn, list(
                          inputId = "d_abstractiveView"
                        )))
                      )
                    ),
                    column(4)
                  ),
                  style = "margin-top:-15px"
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),

    ### Extractive Summarization ----

    tabItem(
      tabName = "d_summarization",
      fluidPage(
        fluidRow(
          column(
            11,
            h3(strong("Extractive Summarization"), align = "center")
          ),
          div(
            title = t_report,
            column(
              1,
              do.call("actionButton", c(report_bttn, list(
                inputId = "d_summarizationReport"
              )))
            )
          )
        ),
        br(),
        br(),
        fluidRow(
          column(
            9,
            tabsetPanel(
              type = "tabs",
              tabPanel(
                "Abstract",
                fluidRow(
                  style = "height:65vh",
                  shinycssloaders::withSpinner(uiOutput("abstractData"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  )
                ),
                fluidRow(
                  align = "center",
                  shinycssloaders::withSpinner(uiOutput("sliderAbstractData"),
                                               color = getOption("spinner.color", default = "#4F7942")
                  )
                )
              ),
              tabPanel(
                "Full Document",
                shinycssloaders::withSpinner(DT::DTOutput("documentData"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Sentence Ranking",
                shinycssloaders::withSpinner(DT::DTOutput("RelSentData"),
                                             color = getOption("spinner.color", default = "#4F7942")
                )
              ),
              tabPanel(
                "Info & References",
                fluidPage(
                  fluidRow(
                    column(1),
                    column(
                      10,
                      br(),
                      HTML(infoTexts$summarization)
                    ),
                    column(1)
                  )
                )
              )
            )
          ),
          column(
            3,
            div(
              box(
                width = 12,
                div(h3(strong(em("Extractive Summarization"))), style = "margin-top:-57px"),
                h5(("TALL selects and reorders the most relevant sentences from the original text to generate a coherent and concise summary"),
                   style = "text-align: left; text-color: #989898"
                ),
                tags$hr(),
                fluidRow(column(
                  12,
                  uiOutput("optionsUnitSummarization"),
                  uiOutput("optionsSummarization")
                )),
                hr(),
                div(
                  fluidRow(
                    column(
                      4,
                      div(
                        align = "center",
                        title = t_run,
                        do.call("actionButton", c(run_bttn, list(
                          inputId = "d_summarizationApply"
                        )))
                      )
                    ),
                    column(
                      4,
                      div(
                        align = "center",
                        title = t_view,
                        do.call("actionButton", c(view_bttn, list(
                          inputId = "d_summarizationView"
                        )))
                      )
                    ),
                    column(4)
                  ),
                  style = "margin-top:-15px"
                )
              ),
              style = "margin-top:40px"
            )
          )
        )
      )
    ),

    ### REPORT ----
    tabItem(
      tabName = "report",
      fluidPage(
        fluidRow(
          h3(strong("Report"), align = "center"),
          br(),
        ),
        fluidRow(
          column(6,
                 offset = 1,
                 box(
                   title = strong("Select results to include in the Report",
                                  style = "font-size:20px;color:white;"
                   ),
                   status = "primary", width = 11, solidHeader = TRUE,
                   tags$style(HTML("
                         .box.box-solid.box-primary>.box-header {
                         background:#4F7942;
                         }
                         .box.box-solid.box-primary{
                         border-bottom-color:black;
                         border-left-color:black;
                         border-right-color:black;
                         border-top-color:black;
                         border-width:2px;
                                         }")),
                   uiOutput("reportSheetsUI"),
                   tags$style("#reportSheets {font-size:18px;}")
                 )
          ), # column(1),
          column(
            2,
            div(
              style = "border-radius: 10px; border-width: 3px; font-size: 10px;",
              align = "center",
              actionBttn(
                inputId = "allSheets",
                label = strong("Select All"),
                icon = icon("ok-circle", lib = "glyphicon"),
                style = "pill", color = "primary",
                block = TRUE
              ),
              br(),
              actionBttn(
                inputId = "noSheets",
                label = strong("Deselect All"),
                icon = icon("remove-circle", lib = "glyphicon"),
                style = "pill", color = "primary",
                block = TRUE
              ),
              br(),
              hr(),
              actionBttn(
                inputId = "report.save",
                label = strong("Export Report"),
                style = "pill", color = "success",
                size = "md",
                block = TRUE,
                no_outline = TRUE,
                icon = icon(name = "download-alt", lib = "glyphicon")
              ),
              br(),
              hr(),
              actionBttn(
                inputId = "deleteAll",
                label = strong("Delete Report"),
                icon = icon("exclamation-sign", lib = "glyphicon"),
                style = "pill", color = "danger",
                block = TRUE
              )
            )
          )
        )
      )
    ),

    ### SETTINGS ----
    tabItem(
      tabName = "settings",
      fluidPage(
        fluidRow(
          h3(strong("Settings"), align = "center"),
          br(),
        ),
        fluidRow(column(
          6,
          h3("Working Folder"),
          h4("Select a folder where the analysis outputs will be saved"),
          br(),
          shinyDirButton("workingfolder", "Select a Working Folder", "Select", style = "color:white;"),
          br(),
          textOutput("wdFolder"),
          hr(),
          h3("Language Models"),
          actionButton(
            inputId = "cache",
            style = "color:white;",
            label = "Clean model folder"
          )), column(
          6
          ### To insert settings for default path, etc.
        )),
        hr(),
        h3("'Tall AI' Api Key"),
        h4("Set a valid API Key to use 'Tall AI' features powered by Google Gemini."),
        h5(HTML(
          'If you don’t have one yet, you can generate it by logging into <a href="https://aistudio.google.com/app/apikey" target="_blank">AI Studio</a> with your Google account and creating a new API Key.'
        )),
        br(),
        fluidRow(
          column(4,
                 passwordInput("api_key", "Enter your Gemini API Key:", "", width = "100%"),
                 uiOutput("apiStatus"),
                 br(),
                 fluidRow(
                   column(6,
                          actionButton("set_key", "Set API Key",style = "color:white;", width = "90%")
                   ),
                   column(6,
                          actionButton("remove_key", "Remove API Key",style = "color:white;",width = "90%")
                   )
                 )),
          column(1),
          column(3,
                 uiOutput("geminiModelChoice")#, style = "color: red; font-weight: bold;")
          ),
          column(2,
                 uiOutput("geminiOutputSize")
          )
        )
      )
    )
  )
) # END DASHBOARDBODY


## UserInterface ####
ui <- dashboardPage(header, sidebar, body)
