local cmp = require("cmp")

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 {
	completion = { completeopt = "menu,menuone" },

	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	window = {
		completion = {
			-- winhighlight = "Normal:Pmenu,FloatBorder:Pmenu,Search:None",
			col_offset = -3,
			side_padding = 0,
		},
	},

	formatting = {
		fields = { "kind", "abbr", "menu" },
		format = function(entry, vim_item)
			local kind = require("lspkind").cmp_format({ mode = "symbol_text", maxwidth = 50 })(entry, vim_item)
			local strings = vim.split(kind.kind, "%s", { trimempty = true })
			kind.kind = " " .. (strings[1] or "") .. " "
			kind.menu = "  " .. (strings[2] or "")

			return kind
		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.Insert,
			select = true,
		},

		["<Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			elseif require("luasnip").expand_or_jumpable() then
				require("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 require("luasnip").jumpable(-1) then
				require("luasnip").jump(-1)
			else
				fallback()
			end
		end, { "i", "s" }),
	},

	sources = {
		{ name = "nvim_lsp" },
		{ name = "luasnip" },
		{ name = "buffer" },
		{ name = "path" },
	},
}