local M = {}

local function toggle_win_opt(name)
  local newval = not vim.api.nvim_win_get_option(0, name)
  vim.api.nvim_win_set_option(
    0,
    name,
    newval
  )
  if newval then
    vim.notify(name .. ' is on')
  else
    vim.notify(name .. ' is off')
  end
end

function M.setup()
  vim.keymap.set('n', '<S-Down>', '<C-E>')
  vim.keymap.set('n', '<S-Up>', '<C-Y>')

  vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, { desc = 'Go to next diagnostic' })
  vim.keymap.set('n', ']d', vim.diagnostic.goto_next, { desc = 'Go to prev diagnostic' })
  vim.keymap.set('n', '[e', function() vim.diagnostic.goto_prev({ severity = vim.diagnostic.severity.ERROR }) end,
    { desc = 'Go to next error' })
  vim.keymap.set('n', ']e', function() vim.diagnostic.goto_next({ severity = vim.diagnostic.severity.ERROR }) end,
    { desc = 'Go to prev error' })
  vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, { desc = 'Diagnostic to loclist' })

  vim.keymap.set({ 'n', 'x', 'o' }, 'n', "'Nn'[v:searchforward]", { expr = true, desc = 'Next search result' })
  vim.keymap.set({ 'n', 'x', 'o' }, 'N', "'nN'[v:searchforward]", { expr = true, desc = 'Prev search result' })


  vim.keymap.set('n', '<leader>ow', function() toggle_win_opt('wrap') end, { desc = 'Toggle wrap' })
  vim.keymap.set('n', '<leader>on', function() toggle_win_opt('number') end, { desc = 'Toggle number' })
  vim.keymap.set('n', '<leader>or', function() toggle_win_opt('relativenumber') end, { desc = 'Toggle relativenumber' })
  vim.keymap.set('n', '<leader>oR', require('configs.options').setup, { desc = 'RESET' })
  vim.keymap.set('n', '<leader>of', function()
    if (vim.api.nvim_win_get_option(0, 'foldmethod') ~= 'marker') then
      vim.api.nvim_win_set_option(0, 'foldmethod', 'marker')
      vim.api.nvim_win_set_option(0, 'foldlevel', 0)
    else
      vim.api.nvim_win_set_option(0, 'foldmethod', 'expr')
      vim.api.nvim_win_set_option(0, 'foldlevel', 99)
    end
    vim.notify('Fdm: ' .. vim.api.nvim_win_get_option(0, 'foldmethod'))
  end, { desc = 'Toggle foldmethod marker/expr' })
end

return M