local icons = require('config.icons')

return function ()
	local lspkind_config = {
		mode = 'symbol',
		preset = 'codicons',
		symbol_map = icons.symbols,
		maxwidth = 40,
		ellipsis_char = "...",
	}
	local cmp = require('cmp')

	local selectPrev = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert })
	local selectNext = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert })

	local borderstyle = {
		border = "none",
		winhighlight = 'Normal:Pmenu,FloatBorder:FloatBorder,CursorLine:PmenuSel,Search:None',
	}

	return {
		completion = {
			completeopt = "menu,menuone,noinsert",
		},
		-- enabled = function()
		-- 	if require"cmp.config.context".in_treesitter_capture("comment")==true or require"cmp.config.context".in_syntax_group("Comment") then
		-- 		return false
		-- 	else
		-- 		return true
		-- 	end
		-- end,
		-- preselect = false,
		view = {
			entries = { name = 'custom', selection_order = 'near_cursor' },
		},
		window = {
			documentation = borderstyle,
			completion = borderstyle
		},
		mapping = {
			["<Up>"] = selectPrev,
			["<S-Tab>"] = selectPrev,
			["<Down>"] = selectNext,
			["<Tab>"] = selectNext,
			["<esc>"] = cmp.mapping.abort(),
			['<CR>'] = cmp.mapping.confirm({ select = true }),
		},
		snippet = {
			expand = function(args)
				require('luasnip').lsp_expand(args.body)
			end,
		},
		formatting = {
			fields = { "abbr", "kind", "menu" },
			format = function(entry, vim_item)
				if vim.tbl_contains({ 'path' }, entry.source.name) then
					local icon, hl_group = require('nvim-web-devicons').get_icon(entry:get_completion_item().label)
					if icon then
						vim_item.kind = icon
						vim_item.kind_hl_group = hl_group
						return vim_item
					end
				end

				return require('lspkind').cmp_format(lspkind_config)(entry, vim_item)
			end
		},
		sources = {
			{ name = "copilot" },
			{ name = 'nvim_lsp' },
			{ name = 'buffer' },
			{ name = 'path' },
			{ name = 'luasnip' }
		},
		experimental = {
			ghost_text = {
				hl_group = "NonText",
			},
		},
	}
end