local cmp_kinds = {
	Text = "  ",
	Method = "  ",
	Function = "  ",
	Constructor = "  ",
	Field = "  ",
	Variable = "  ",
	Class = "ﴯ  ",
	Interface = "  ",
	Module = "  ",
	Property = "ﰠ  ",
	Unit = "  ",
	Value = "  ",
	Enum = "  ",
	Keyword = "  ",
	Snippet = "  ",
	Color = "  ",
	File = "  ",
	Reference = "  ",
	Folder = "  ",
	EnumMember = "  ",
	Constant = "  ",
	Struct = "  ",
	Event = "  ",
	Operator = "  ",
	TypeParameter = "  ",
}

local has_words_before = function()
	local line, col = unpack(vim.api.nvim_win_get_cursor(0))
	return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
local cmp = require("cmp")
cmp.setup({
	enabled = function()
		-- disable completion in comments
		local context = require("cmp.config.context")
		-- keep command mode completion enabled when cursor is in a comment
		if vim.api.nvim_get_mode().mode == "c" then
			return true
		else
			return not context.in_treesitter_capture("comment") and not context.in_syntax_group("Comment")
		end
	end,
	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	formatting = {
		format = function(_, vim_item)
			vim_item.kind = (cmp_kinds[vim_item.kind] or "") .. vim_item.kind
			return vim_item
		end,
	},
	mapping = {
		["<C-b>"] = cmp.mapping.scroll_docs(-4),
		["<C-f>"] = cmp.mapping.scroll_docs(4),
		["<C-Space>"] = cmp.mapping(function(_)
			return vim.fn.pumvisible() == 1 and cmp.close() or cmp.complete()
		end),
		["<C-e>"] = cmp.mapping({
			i = cmp.mapping.abort(),
			c = cmp.mapping.close(),
		}),
		["<CR>"] = cmp.mapping.confirm({
			behavior = cmp.ConfirmBehavior.Replace,
			select = true,
		}),
		["<Tab>"] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			elseif require("luasnip").expand_or_locally_jumpable() then
				vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
			elseif has_words_before() then
				cmp.complete()
			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
				vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
			else
				fallback()
			end
		end, { "i", "s" }),
	},
	sources = cmp.config.sources({
		{ name = "nvim_lsp", max_item_count = 20, priority_weight = 100 },
		{ name = "luasnip", priority_weight = 120 },
		{ name = "buffer", max_item_count = 5, priority_weight = 80 },
		{ name = "path", max_item_count = 10, priority_weight = 100 },
		{ name = "nvim_lsp_signature_help" },
	}),
	view = { entries = "native" },
})