-- Completion engine using nvim-cmp
-- Keeping nvim-cmp for now due to blink.cmp stability issues
return {
	{
		"hrsh7th/nvim-cmp",
		event = "InsertEnter",
		dependencies = {
			"L3MON4D3/LuaSnip",
			"saadparwaiz1/cmp_luasnip",
			"hrsh7th/cmp-nvim-lsp",
			"hrsh7th/cmp-buffer",
			"hrsh7th/cmp-path",
			"rafamadriz/friendly-snippets",
		},
		config = function()
			local cmp = require("cmp")
			local luasnip = require("luasnip")

			-- Load snippets
			require("luasnip.loaders.from_vscode").lazy_load()

			cmp.setup({
				snippet = {
					expand = function(args)
						luasnip.lsp_expand(args.body)
					end,
				},
				completion = {
					completeopt = "menu,menuone,noinsert",
				},
				mapping = cmp.mapping.preset.insert({
					["<C-j>"] = cmp.mapping.select_next_item(),
					["<C-k>"] = cmp.mapping.select_prev_item(),
					["<C-y>"] = cmp.mapping.confirm({ select = true }),
					["<C-c>"] = cmp.mapping.complete(),
					["<C-u>"] = cmp.mapping.scroll_docs(-4),
					["<C-d>"] = cmp.mapping.scroll_docs(4),
					["<C-e>"] = cmp.mapping.abort(),
					["<Esc>"] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.abort()
						end
						fallback() -- Still exit insert mode after aborting
					end, { "i", "s" }),
				}),
				sources = cmp.config.sources({
					{ name = "nvim_lsp", priority = 8 },
					{ name = "luasnip", priority = 7 },
					{ name = "path", priority = 7 },
					{ name = "buffer", priority = 6 },
				}),
				window = {
					completion = cmp.config.window.bordered(),
					documentation = cmp.config.window.bordered(),
				},
			})
		end,
	},
	-- LuaSnip for snippet expansion
	{
		"L3MON4D3/LuaSnip",
		lazy = true,
		build = (function()
			if vim.fn.has("win32") == 1 or vim.fn.executable("make") == 0 then
				return
			end
			return "make install_jsregexp"
		end)(),
		opts = {
			history = true,
			delete_check_events = "TextChanged",
		},
	},
}