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

cmp.setup({
	formatting = {
		format = lspkind.cmp_format({
			with_text = true, -- do not show text alongside icons
			maxwidth = 50, -- prevent the popup from showing more than provided characters (e.g 50 will not show more than 50 characters)

			-- The function below will be called before any actual modifications from lspkind
			-- so that you can provide more controls on popup customization. (See [#30](https://github.com/onsails/lspkind-nvim/pull/30))
			before = function(entry, vim_item)
				return vim_item
			end,
		}),
	},

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