local M = {}

function M.setup()
  local telescope = require('telescope')
  vim.api.nvim_set_keymap('n', '<Space>b', [[<Cmd>Telescope buffers<CR>]], { noremap = true, silent = true })
  vim.api.nvim_set_keymap('n', '<Space>f', [[<Cmd>Telescope fd<CR>]], { noremap = true, silent = true })
  vim.api.nvim_set_keymap('n', '<Space>T', [[<Cmd>Telescope<CR>]], { noremap = true, silent = true })

  telescope.setup {
    defaults = {
      preview = {
        hide_on_startup = true
      },
    },
    pickers = {
      buffers = {
        show_all_buffers = true,
        sort_lastused = false,
        sort_mru = true,
        --      theme = "dropdown",
        mappings = {
          i = { ['<c-d>'] = 'delete_buffer', },
          n = { ['<c-d>'] = 'delete_buffer', }
        }
      }
    },
    extensions = {
      ['ui-select'] = {
        require('telescope.themes').get_dropdown {}
      }
    }
  }

  telescope.load_extension('fzf')
  telescope.load_extension('ui-select')

  local augr = vim.api.nvim_create_augroup('Telescope', {})
  vim.api.nvim_create_autocmd('FileType', {
    group = augr,
    pattern = 'TelescopePrompt',
    callback = function()
      vim.api.nvim_exec([[
      imap <buffer> <C-b> <Cmd>Telescope buffers initial_mode=insert<CR>
      nmap <buffer> <C-b> <Cmd>Telescope buffers initial_mode=insert<CR>
      imap <buffer> <C-f> <Cmd>Telescope fd initial_mode=insert<CR>
      nmap <buffer> <C-f> <Cmd>Telescope fd initial_mode=insert<CR>
      imap <buffer> <C-a> <Cmd>Telescope builtin initial_mode=insert<CR>
      nmap <buffer> <C-a> <Cmd>Telescope builtin initial_mode=insert<CR>
      ]], false)
    end
  })

end

return M