local cmp = require("cmp")
local luasnip = require("luasnip")

require("luasnip.loaders.from_vscode").lazy_load()
luasnip.config.setup({})

cmp.setup({
	snippet = {
		expand = function(args)
			luasnip.lsp_expand(args.body)
		end,
	},
	mapping = cmp.mapping.preset.insert({
		["<C-n>"] = cmp.mapping.select_next_item(),
		["<C-p>"] = cmp.mapping.select_prev_item(),
		["<C-d>"] = cmp.mapping.scroll_docs(-4),
		["<C-f>"] = cmp.mapping.scroll_docs(4),
		["<C-Space>"] = cmp.mapping.complete({}),
		["<CR>"] = cmp.mapping.confirm({
			behavior = cmp.ConfirmBehavior.Replace,
			select = true,
		}),
		["<Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			elseif luasnip.expand_or_locally_jumpable() then
				luasnip.expand_or_jump()
			else
				fallback()
			end
		end, { "i", "s" }),
		["<S-Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_prev_item()
			elseif luasnip.locally_jumpable(-1) then
				luasnip.jump(-1)
			else
				fallback()
			end
		end, { "i", "s" }),
	}),
	sources = { { name = "nvim_lsp" }, { name = "luasnip" } },
})