local remap = vim.api.nvim_set_keymap
local npairs = require('nvim-autopairs')

npairs.setup({ map_bs = false, map_cr = false })

vim.g.coq_settings = { keymap = { recommended = false } }

-- these mappings are coq recommended mappings unrelated to nvim-autopairs
remap('i', '<esc>', [[pumvisible() ? "<c-e><esc>" : "<esc>"]], { expr = true, noremap = true })
remap('i', '<c-c>', [[pumvisible() ? "<c-e><c-c>" : "<c-c>"]], { expr = true, noremap = true })
remap('i', '<tab>', [[pumvisible() ? "<c-n>" : "<tab>"]], { expr = true, noremap = true })
remap('i', '<s-tab>', [[pumvisible() ? "<c-p>" : "<bs>"]], { expr = true, noremap = true })

-- skip it, if you use another global object
_G.MUtils= {}

MUtils.CR = function()
  if vim.fn.pumvisible() ~= 0 then
    if vim.fn.complete_info({ 'selected' }).selected ~= -1 then
      return npairs.esc('<c-y>')
    else
      return npairs.esc('<c-e>') .. npairs.autopairs_cr()
    end
  else
    return npairs.autopairs_cr()
  end
end
remap('i', '<cr>', 'v:lua.MUtils.CR()', { expr = true, noremap = true })

MUtils.BS = function()
  if vim.fn.pumvisible() ~= 0 and vim.fn.complete_info({ 'mode' }).mode == 'eval' then
    return npairs.esc('<c-e>') .. npairs.autopairs_bs()
  else
    return npairs.autopairs_bs()
  end
end
remap('i', '<bs>', 'v:lua.MUtils.BS()', { expr = true, noremap = true })


-- put this to setup function and press <a-e> to use fast_wrap
npairs.setup({
    fast_wrap = {},
})

-- change default fast_wrap
npairs.setup({
    fast_wrap = {
      map = '<M-e>',
      chars = { '{', '[', '(', '"', "'" },
      pattern = [=[[%'%"%>%]%)%}%,]]=],
      end_key = '$',
      before_key = 'h',
      after_key = 'l',
      cursor_pos_before = true,
      keys = 'qwertyuiopzxcvbnmasdfghjkl',
      manual_position = true,
      highlight = 'Search',
      highlight_grey='Comment'
    },
})

npairs.remove_rule('`')
