<?php
/**
 * Created by PhpStorm.
 * User: leanderschmedemann
 * Date: 03/04/2017
 * Time: 14:00
 */

    require_once('includes.inc.php');
    $data = '';
    $error = 0;
    $uid = isset($_GET['uid']) ? $_GET['uid'] : '';
    $time = isset($_GET['time']) ? $_GET['time'] : '';
    $time = (($time === '0') || ($time && gettype(+$time) == 'integer')) ? +$_GET['time'] : 0;
    $db = new Database();
    $chosen_answer = isset($_GET['answer']) ? $_GET['answer'] : '';
    $chosen_answer = (($chosen_answer === '0') || ($chosen_answer && gettype(+$chosen_answer) == 'integer')) ? +$_GET['answer'] : -1;

    function calculate_points($time) {
        $points = $time < 2000 ? 100 : 141.1421 - 0.02842916 * $time + 0.000004132312 * pow($time, 2)
            - 3.432331e-10 * pow($time, 3) + 1.391508e-14 * pow($time, 4) - 2.166078e-19 * pow($time, 5);
        $points = $points < 10 ? 10 : intval($points);
        return $points;
    }

    if($uid == '') {
        $error = 13101;
    } else if($time == 0) {
        $error = 13102;
    } else if($chosen_answer == -1) {
        $error = 13103;
    } else {
        $correct_answer = $db->query('SELECT "current_right_answer" FROM "Games" WHERE "ID" = $1', array($uid))
            ['data'][0]['current_right_answer'];
        $correct = $correct_answer == $chosen_answer ? true : false;
        $score = $correct_answer == $chosen_answer ? calculate_points($time) : 0;
    }

    $results = array('correct' => $correct, 'score', $score);
    $next_question = Question::get_next_question($db, $uid);
    $data = array('results' => $results, 'next' => $next_question);

    Database::create_response($data, $error);

?>