local bc = vim.g.bc

-- stylua: ignore
local no_preview = function(opts)
  local defaults = require("telescope.themes").get_dropdown({
    borderchars = {
      { bc.horiz, bc.vert, bc.horiz, bc.vert, bc.topleft, bc.topright, bc.botright, bc.botleft },
      prompt = { bc.horiz, bc.vert, " ", bc.vert, bc.topleft, bc.topright, bc.vert, bc.vert },
      results = { bc.horiz, bc.vert, bc.horiz, bc.vert, bc.vertright, bc.vertleft, bc.botright, bc.botleft },
      preview = { bc.horiz, bc.vert, bc.horiz, bc.vert, bc.topleft, bc.topright, bc.botright, bc.botleft },
    },
    width = 0.8,
    previewer = false,
    prompt_title = false,
    results_title = false,
  })
  return vim.tbl_deep_extend("force", defaults, opts or {})
end

---@type LazySpec[]
return {
  {
    {
      "nvim-telescope/telescope.nvim",
      dependencies = {
        { "nvim-lua/plenary.nvim" },
        { "nvim-tree/nvim-web-devicons" },

        { "GustavoKatel/telescope-asynctasks.nvim" },
        { "nvim-telescope/telescope-file-browser.nvim" },
        { "nvim-telescope/telescope-fzf-native.nvim", build = "make" },
        { "nvim-telescope/telescope-project.nvim" },
        { "nvim-telescope/telescope-ui-select.nvim" },

        { "pwntester/octo.nvim", opts = {} },
      },
      config = function()
        local telescope = require("telescope")

        pcall(telescope.load_extension, "asynctasks")
        pcall(telescope.load_extension, "file_browser")
        pcall(telescope.load_extension, "fzf")
        pcall(telescope.load_extension, "notify")
        pcall(telescope.load_extension, "project")
        pcall(telescope.load_extension, "ui-select")

        telescope.setup({
          defaults = {
            prompt_prefix = " ",
            selection_caret = " ",
            multi_icon = "│",
            -- stylua: ignore
            borderchars = { bc.horiz, bc.vert, bc.horiz, bc.vert, bc.topleft, bc.topright, bc.botright, bc.botleft },
          },
          pickers = {
            find_files = no_preview(),
            live_grep = no_preview({
              previewer = true,
            }),
            load_session = no_preview(),
          },
          extensions = {
            file_browser = {
              grouped = true,
              sorting_strategy = "ascending",
            },
            fzf = {
              fuzzy = true,
              override_generic_sorter = true,
              override_file_sorter = true,
              case_mode = "smart_case",
            },
            ["ui-select"] = no_preview(),
          },
        })

        local wk_present, wk = pcall(require, "which-key")
        if not wk_present then
          return
        end
        wk.register({
          ["<leader>f"] = {
            name = "+Telescope",
            b = {
              "<cmd>Telescope file_browser grouped=true<cr>",
              "File browser",
            },
            d = { "<cmd>Telescope find_files<cr>", "Find file" },
            g = { "<cmd>Telescope live_grep<cr>", "Live grep" },
            h = { "<cmd>Telescope help_tags<cr>", "Help tags" },
            n = { "<cmd>Telescope notify<cr>", "Show notifications" },
            p = { "<cmd>Telescope project<cr>", "Project" },
            r = { "<cmd>Telescope asynctasks all<cr>", "Run asynctasks" },
            s = {
              function()
                require("telescope.builtin").find_files({
                  cwd = vim.fn.resolve(vim.fn.stdpath("config")),
                })
              end,
              "Find in config",
            },
            S = { "<cmd>SessionManager load_session<cr>", "Show sessions" },
          },
        })
      end,
    },
  },
}