local M = {
  'hrsh7th/nvim-cmp',
  event = 'InsertEnter',
  dependencies = {
    'hrsh7th/cmp-nvim-lsp',
    'hrsh7th/cmp-buffer',
    'hrsh7th/cmp-path',
    'hrsh7th/cmp-vsnip',
    'onsails/lspkind.nvim',
  },
}

function M.config()
  local cmp = require 'cmp'

  cmp.setup({
    -- documentation = true,
    sources = {
      { name = 'nvim_lsp' },
      { name = 'nvim_lua' },
      { name = 'buffer' },
      { name = 'path' },
      { name = 'vsnip' },
      -- { name = 'nvim_lsp_signature_help' },
    },
    formatting = {
      format = require('lspkind').cmp_format({
        -- mode = 'symbol',
      }),
    },
    window = {
      -- completion = cmp.config.window.bordered(),
      -- documentation = cmp.config.window.bordered(),
    },
    mapping = cmp.mapping.preset.insert({
      ['<CR>'] = cmp.mapping.confirm({ select = false })
    }),
    snippet = {
      expand = function(args)
        -- For `vsnip` user.
        vim.fn['vsnip#anonymous'](args.body) -- For `vsnip` user.
      end
    }
  })
end

return M