<?php
/**
 * Created by PhpStorm.
 * User: leanderschmedemann
 * Date: 27/03/2017
 * Time: 14:07
 */

    require_once('includes.inc.php');
    $data = '';
    $error = 0;
    $values = null;
    $uid = $_GET['uid'];
    $length = $_GET['length'];
    $length = (($length === '0') || ($length && gettype(+$length) == 'integer')) ? +$_GET['length'] : 10;
    $database = new Database();
    $questions_count = $database->query('SELECT COUNT(*) FROM "Questions"')['data'][0]['count'];
    if($length == 0) {
        $error = 12101;
    } else if($length > $questions_count) {
        $error = 12102;
        $values = array($questions_count);
    } else {
        /*
         * if game for user exists then delete
         * create new game for user
         */
        if($database->query('SELECT EXISTS (SELECT 1 fROM "Games" WHERE "ID" = $1)', array($uid)) == 't') {

        }
    }
    $response = Database::create_response($data, $error, $values);
    print $response;
?>