<?php

session_start();

function uniqidReal($lenght = 13) {
    // uniqid gives 13 chars, but you could adjust it to your needs.
    if (function_exists("random_bytes")) {
        $bytes = random_bytes(ceil($lenght / 2));
    } elseif (function_exists("openssl_random_pseudo_bytes")) {
        $bytes = openssl_random_pseudo_bytes(ceil($lenght / 2));
    } else {
        throw new Exception("no cryptographically secure random function available");
    }
    return substr(bin2hex($bytes), 0, $lenght);
}

function getNewUUID() {
    return uniqidReal() . "-" . uniqidReal() . "-" . uniqidReal();
}


$servername = "localhost";
$username = "database_access";
$password = "DataAccess1.";
$dbname = "avali_shop";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


if (!isset($_SESSION["uuid"])) {

    $exists = true;

    $NEWuuid;

    while($exists) {
        $NEWuuid = getNewUUID();

        $sql = "SELECT * FROM wishlist_uuid WHERE uuid=\"" . $NEWuuid . "\"";
        //$sql = "SELECT * FROM wishlist_uuid WHERE uuid=\"" . $_GET["uuid"] . "\"";
        $result = $conn->query($sql);
        $row = $result->fetch_assoc();

        if ($result->num_rows > 0) {
            $exists = true;
        } else {
            $exists = false;
        }
    }

    $sql_create = "INSERT INTO `wishlist_uuid`(`uuid`, `last_use`, `array`) VALUES ('" . $NEWuuid . "','" . date("Y-m-d H:i:s") . "', '')";
    $result_create = $conn->query($sql_create);
    

    $_SESSION["uuid"] = $NEWuuid;
}

header("Location: https://mfgames.net/#acc");

?>