require('plenary.reload').reload_module('telescope')

local tester = require('telescope.pickers._test')

local disp = function(val)
  return vim.inspect(val, { newline = " ", indent = "" })
end

describe('builtin.find_files', function()
  it('should find the readme', function()
    tester.run_file('find_files__readme')
  end)

  it('should be able to move selections', function()
    tester.run_file('find_files__with_ctrl_n')
  end)

  for _, configuration in ipairs {
    { sorting_strategy = 'descending', },
    { sorting_strategy = 'ascending', },
  } do
    it('should not display devicons when disabled: ' .. disp(configuration), function()
      tester.run_string(string.format([[
        local max_results = 5

        tester.builtin_picker('find_files', 'README.md', {
          post_typed = {
            { "> README.md", GetPrompt },
            { "> README.md", GetBestResult },
          },
          post_close = {
            { 'README.md', GetFile },
            { 'README.md', GetFile },
          }
        }, vim.tbl_extend("force", {
          disable_devicons = true,
          sorter = require('telescope.sorters').get_fzy_sorter(),
          results_height = max_results,
          layout_strategy = 'center',
        }, vim.fn.json_decode([==[%s]==])))
      ]], vim.fn.json_encode(configuration)))
    end)

    it('should only save one line for ascending, but many for descending', function()
      local expected
      if configuration.sorting_strategy == 'descending' then
        expected = 5
      else
        expected = 1
      end

      tester.run_string(string.format([[
        tester.builtin_picker('find_files', 'README.md', {
          post_typed = {
            { %s, function() return #GetResults() end },
          },
        }, vim.tbl_extend("force", {
          disable_devicons = true,
          sorter = require('telescope.sorters').get_fzy_sorter(),
          results_height = 5,
          layout_strategy = 'center',
        }, vim.fn.json_decode([==[%s]==])))
      ]], expected, vim.fn.json_encode(configuration)))
    end)

    it('use devicons, if it has it when enabled', function()
      if not pcall(require, 'nvim-web-devicons') then
        return
      end

      tester.run_string(string.format([[
        tester.builtin_picker('find_files', 'README.md', {
          post_typed = {
            { "> README.md", GetPrompt },
            { ">  README.md", GetBestResult }
          },
          post_close = {
            { 'README.md', GetFile },
            { 'README.md', GetFile },
          }
        }, vim.tbl_extend("force", {
          disable_devicons = false,
          sorter = require('telescope.sorters').get_fzy_sorter(),
        }, vim.fn.json_decode([==[%s]==])))
      ]], vim.fn.json_encode(configuration)))
    end)
  end

  it('should find the readme, using lowercase', function()
    tester.run_string [[
      tester.builtin_picker('find_files', 'readme.md', {
        post_close = {
          { 'README.md', GetFile },
        }
      })
    ]]
  end)

  it('should find the pickers.lua, using lowercase', function()
    tester.run_string [[
      tester.builtin_picker('find_files', 'pickers.lua', {
        post_close = {
          { 'pickers.lua', GetFile },
        }
      })
    ]]
  end)

  it('should find the pickers.lua', function()
    tester.run_string [[
      tester.builtin_picker('find_files', 'pickers.lua', {
        post_close = {
          { 'pickers.lua', GetFile },
          { 'pickers.lua', GetFile },
        }
      })
    ]]
  end)

  it('should be able to c-n the items', function()
    tester.run_string [[
      tester.builtin_picker('find_files', 'fixtures/file<c-p>', {
        post_typed = {
          {
            {
              "  lua/tests/fixtures/file_abc.txt",
              "> lua/tests/fixtures/file_a.txt",
            }, function()
            local res = GetResults()

              return {
                res[#res - 1],
                res[#res],
              }
            end
          },
        },
        post_close = {
          { 'file_abc.txt', GetFile },
        },
      }, {
        sorter = require('telescope.sorters').get_fzy_sorter(),
        disable_devicons = true,
      })
    ]]
  end)

  it('should be able to get the current selection', function()
    tester.run_string [[
      tester.builtin_picker('find_files', 'fixtures/file_abc', {
        post_typed = {
          { 'lua/tests/fixtures/file_abc.txt', GetSelectionValue },
        }
      })
    ]]
  end)
end)