-- Disable banner
vim.g.netrw_banner = 0

-- Fix gx when running inside WSL
if vim.env.WSLENV then
  vim.g.netrw_browsex_viewer = 'cmd.exe /C start'
end

-- Map - key to open netrw in current files parent directory
vim.keymap.set('n', '-', function()
  -- Get the filename before invoking netrw
  local filename = vim.fn.expand('%:t')
  local directory = vim.fn.expand('%:hp')

  if directory == '' then
    directory = vim.fn.getcwd()
  end

  -- Invoke netrw on the directory containing the current file
  vim.fn.execute(string.format("edit %s", directory))
  if filename ~= '' then
    -- In the netrw buffer, move the cursor to the first character of filename
    vim.fn.search('\\<' .. filename .. '\\>')
  end
end)

-- Unmap <C-l> in netrw buffers so it can be used for natigation
vim.api.nvim_create_autocmd('FileType', {
  pattern = 'netrw',
  group = vim.api.nvim_create_augroup('netrw_unmap', {}),
  callback = function()
    local buffer = vim.api.nvim_get_current_buf()
    if vim.fn.hasmapto('<Plug>NetrwRefresh') == 1 then
      vim.keymap.del('n', '<C-l>', { buffer = buffer })
    end
  end
})