<?php
    set_time_limit(0);
    define('JUMPS', 10);
    define('DURATIONPERFRAME', 10);
    include('classes/gif.php');
    $model = json_decode($_POST['data']);
    $colors = array(
        'brown' => array(
            165,
            42,
            42
        ),
        'cadetblue' => array(
            95,
            158,
            160
        ),
        'chartreuse' => array(
            127,
            255,
            0
        ),
        'chocolate' => array(
            210,
            105,
            30
        ),
        'coral' => array(
            255,
            127,
            80
        ),
        'crimson' => array(
            220,
            20,
            60
        )
    );

    $dir = uniqid() . mt_rand();
    $dire = $dir;
    mkdir($dir);
    $dir .= '/';
    $durations = [];
    $frames = [];
    $length = count($model);
    for ($j = JUMPS; $j < $length; $j += JUMPS) {
        $img = @imagecreatefromgif('images/base.gif');

        for ($i = 0; $i <= $j; $i++) {
            $colorName = $model[$i]->color;
            $color = imagecolorallocate($img, $colors[$colorName][0] ,$colors[$colorName][1] , $colors[$colorName][2]);
            imagefilledellipse($img, $model[$i]->x, $model[$i]->y, $model[$i]->radius * 2, $model[$i]->radius * 2, $color);
        }
        imagegif($img, $dir . $j . '.gif', 9);
        imagedestroy($img);
        $durations[] = DURATIONPERFRAME;
        $frames[] = $dir . $j . '.gif';
    }
    $length %= JUMPS;
    $length += $j - JUMPS;

    $img = @imagecreatefromgif('images/base.gif');
    for ($i = 0; $i < $length; $i++) {
        $colorName = $model[$i]->color;

        $color = imagecolorallocate($img, $colors[$colorName][0] ,$colors[$colorName][1] , $colors[$colorName][2]);
        imagefilledellipse($img, $model[$i]->x, $model[$i]->y, $model[$i]->radius * 2, $model[$i]->radius * 2, $color);
    }
    imagegif($img, $dir . $j . '.gif', 9);
    imagedestroy($img);
    $durations[] = DURATIONPERFRAME;
    $frames[] = $dir . $j . '.gif';

    $durations[count($durations) - 1] = 100;
        $gc = new GifCreator();
        $gc->create($frames, $durations, 0);
        $gifBinary = $gc->getGif();
        file_put_contents('a.gif', $gifBinary);
    $files = glob("$dir*");
    foreach ($files as $file)
        unlink($file);
    rmdir($dire);