<?php
$username = $_COOKIE['username'];
$password = $_COOKIE['password'];

function login($username, $password) {
	if (!$username) return false;
	if (!$password) return false;
	return true;
}

function check_login() {
	global $username, $password;
	if (!login($username, $password)) return false;

	return true;
}

require_once "../lib/db.php";
function get_cart_count() {
	global $username, $cursor;
	$statement = $cursor->prepare("select sum(cart.count) as count from cart join customer on customer.id = cart.customer join product on product.id = cart.product where customer.name = ?");
	$statement->bind_param("s", $username);
	if (!$statement->execute()) return 0;
	$res = $statement->get_result();
	if (!mysqli_num_rows($res)) return 0;
	$obj = $res->fetch_object();
	return $obj->count;
}

$logged_in = check_login();
$cart_count = get_cart_count();

function if_logged_in($is, $redirect, $back = false) {
	global $logged_in;
	if ($logged_in != $is) return;
	if ($back) {
		$prev = $_SERVER['HTTP_REFERER'];
		$ONE_HOUR = time() + (60 * 60);
		setcookie("prev", $prev, $ONE_HOUR, "/");
	}
	http_response_code(302);
	header("Location: ".$redirect);
	die();
}

function cookie_redir($username, $password, $url = "") {
	$ONE_YEAR = time() + (60 * 60 * 24 * 365);
	setcookie("username", $username, $ONE_YEAR, "/");
	setcookie("password", $password, $ONE_YEAR, "/"); // TODO: use tokens to login
	if (!$url) {
		$prev = $_COOKIE['prev'];
		if(!$prev) $url = "/";
		else $url = $prev;
	}
	header("Location: ".$url);
	die();
}
?>