local icons = require('config.icons')

return {
	'hrsh7th/nvim-cmp',
	version = false,
	event = "InsertEnter",
	dependencies = {
		'hrsh7th/cmp-buffer',
		'hrsh7th/cmp-path',
		'hrsh7th/cmp-nvim-lsp',
		'L3MON4D3/LuaSnip',
		'onsails/lspkind-nvim',
	},
	opts = function()
		local lspkind_config = {
			mode = 'symbol',
			preset = 'codicons',
			symbol_map = icons.symbols,
			maxwidth = 40,
			ellipsis_char = "...",
		}

		local cmp = require('cmp')
		vim.api.nvim_set_hl(0, "CmpGhostText", { link = "NonText", default = true })

		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 = "CmpGhostText",
				},
			},
		}
	end,
	config = function(_, opts)
		local cmp = require('cmp')

		cmp.setup(opts)

		-- insert () on function completion using autopairs
		cmp.event:on(
			'confirm_done',
			require('nvim-autopairs.completion.cmp').on_confirm_done()
		)
	end
}