local cmp_status_ok, cmp = pcall(require, "cmp")
if not cmp_status_ok then
	return
end

local luasnip_status_ok, luasnip = pcall(require, "luasnip")
if not luasnip_status_ok then
	return
end

local kind_icons = {
	Text = "",
	Method = "",
	Function = "",
	Constructor = "",
	Field = "",
	Variable = "",
	Class = "",
	Interface = "",
	Module = "",
	Property = "",
	Unit = "",
	Value = "",
	Enum = "",
	Keyword = "",
	Snippet = "",
	Color = "",
	File = "",
	Reference = "",
	Folder = "",
	EnumMember = "",
	Constant = "",
	Struct = "",
	Event = "",
	Operator = "",
	TypeParameter = "",
}

cmp.setup({
	mapping = {
		["<C-k>"] = cmp.mapping.select_prev_item(),
		["<C-j>"] = cmp.mapping.select_next_item(),
		["<C-d>"] = cmp.mapping.scroll_docs(-4),
		["<C-u>"] = cmp.mapping.scroll_docs(4),
		["<C-Space>"] = cmp.mapping.complete(),
		["<C-e>"] = cmp.mapping({
			i = cmp.mapping.abort(),
			c = cmp.mapping.close(),
		}),
		-- Accept currently selected item. If none selected, `select` first item.
		-- Set `select` to `false` to only confirm explicitly selected items.
		["<cr>"] = cmp.mapping.confirm({ select = true }),
	},
	sources = {
		{ name = "gh_issues" },
		{ name = "nvim_lua" },
		{ name = "nvim_lsp" },
		{ name = "path" },
		{ name = "luasnip" },
		{ name = "buffer", keyword_length = 1 },
	},
	snippet = {
		expand = function(args)
			luasnip.lsp_expand(args.body)
		end,
	},
	formatting = {
		fields = { "kind", "abbr", "menu" },
		format = function(entry, vim_item)
			vim_item.kind = kind_icons[vim_item.kind]
			vim_item.menu = ({
				nvim_lsp = "[LSP]",
				nvim_lua = "[api]",
				luasnip = "[snip]",
				buffer = "[buf]",
				path = "[path]",
				emoji = "[emoji]",
				gh_issues = "[issues]",
			})[entry.source.name]
			return vim_item
		end,
	},
	experimental = {
		ghost_text = true,
		native_menu = false,
	},
	window = {
		completion = cmp.config.window.bordered(),
		documentation = cmp.config.window.bordered(),
	},
	confirm_opts = {
		behavior = cmp.ConfirmBehavior.Replace,
		select = false,
	},
})