<?php
include('simple_html_dom.php');

$username = $_POST['username'];
$password = $_POST['password'];
$login_url = "https://studentportal.unpar.ac.id/home/index.login.submit.php";
$cas_login_url = "https://cas.unpar.ac.id/login?service=https%3A%2F%2Fstudentportal.unpar.ac.id%2Flogin.submit.php";
$cas_url = "https://cas.unpar.ac.id";

$ch = curl_init();

/** GET TOKEN **/
curl_setopt($ch, CURLOPT_URL, $login_url);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36");
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLINFO_HEADER_OUT, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "Submit=Login");
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname( __FILE__ ) . '/cookie');
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname( __FILE__ ) . '/cookiejar');

$output = curl_exec($ch);
$html = str_get_html($output);

/** LOGIN CAS **/
$action_url = $html->find("form", 0)->attr["action"];
$lt = $html->find("input[name=lt]", 0)->attr["value"];
$execution = $html->find("input[name=execution]", 0)->attr["value"];
$eventId = $html->find("input[name=_eventId]", 0)->attr["value"];

$data = ("username=$username&password=$password&lt=$lt&execution=$execution&_eventId=$eventId");

// $ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $cas_url . $action_url);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname( __FILE__ ) . '/cookie');
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname( __FILE__ ) . '/cookiejar');
$output = curl_exec($ch);
$html = str_get_html($output);

if($html->find("p[class=student-npm]") == null){
    header("Location: index.php");
    exit;
}

$npm = $html->find("p[class=student-npm]", 0)->text();
$npm = str_replace(" / AKTIF", "", $npm); //20123730007 / AKTIF

/** LOAD JADWAL **/
// curl_setopt($ch, CURLOPT_URL, "https://studentportal.unpar.ac.id/includes/jadwal.aktif.php");
// curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36");
// $output = curl_exec($ch);
// $html = str_get_html($output);

//POST https://studentportal.unpar.ac.id/includes/jadwal.kuliah.php
//data: npm, thn_akd, sem_akd
// $thn_akd_html = $html->find("select[id=tahun_akd_sec]");
// $thn_akds = [];
// foreach($thn_akd_html as $thn_akd_data){
//     $thn_akds[] = [
//         'thn_akd' => '',
//         'sem_akd' => '',
//     ];
// }

/** GET URL SEMESTER LALU **/
$data = "npm=$npm&thn_akd=2015&sem_akd=2";
curl_setopt($ch, CURLOPT_URL, "https://studentportal.unpar.ac.id/includes/jadwal.kuliah.php");
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103 Safari/537.36");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname( __FILE__ ) . '/cookie');
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname( __FILE__ ) . '/cookiejar');
$output = curl_exec($ch);
$html = str_get_html($output);

$kuliah_html = $html->find("table[class=portal-full-table]", 0)->find("tr");
$kuliah = [];
$ct = 0;
for($i = 2; $i < count($kuliah_html)-1; $i++){
    if($kuliah_html[$i]->find("td") != null){
        $date = str_replace(".", ":", $kuliah_html[$i]->find("td", 8)->text());
        $date = explode("-", $date);
        $kuliah[$ct] = [
            "kode" => $kuliah_html[$i]->find("td", 1)->text(),
            "matkul" => $kuliah_html[$i]->find("td", 2)->text(),
            "sks" => $kuliah_html[$i]->find("td", 3)->text(),
            "kelas" => $kuliah_html[$i]->find("td", 4)->text(),
            "dosen" => $kuliah_html[$i]->find("td", 5)->text(),
            "hari" => $kuliah_html[$i]->find("td", 7)->text(),
            "waktu" => $kuliah_html[$i]->find("td", 8)->text(),
            "ruang" => $kuliah_html[$i]->find("td", 9)->text(),
        ];
        if($kuliah[$ct]["kode"] == ""){
            $kuliah[$ct]["kode"] = $kuliah[$ct - 1]["kode"];
        }
        if($kuliah[$ct]["matkul"] == ""){
            $kuliah[$ct]["matkul"] = $kuliah[$ct - 1]["matkul"];
        }
        $kuliah[$ct]["title"] = $kuliah[$ct]["matkul"];
        switch($kuliah_html[$i]->find("td", 7)->text()){
            case "Senin":
                $kuliah[$ct]["start"] = "2016-02-08T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-08T$date[1]:00";
                break;
            case "Selasa":
                $kuliah[$ct]["start"] = "2016-02-09T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-09T$date[1]:00";
                break;
            case "Rabu":
                $kuliah[$ct]["start"] = "2016-02-10T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-10T$date[1]:00";
                break;
            case "Kamis":
                $kuliah[$ct]["start"] = "2016-02-11T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-11T$date[1]:00";
                break;
            case "Jumat":
                $kuliah[$ct]["start"] = "2016-02-12T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-12T$date[1]:00";
                break;
            case "Sabtu":
                $kuliah[$ct]["start"] = "2016-02-13T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-13T$date[1]:00";
                break;
            case "":
                $kuliah[$ct]["start"] = "2016-02-08T$date[0]:00";
                $kuliah[$ct]["end"] = "2016-02-08T$date[1]:00";
                break;
        }
        $ct++;
    }
}
$kuliah = json_encode($kuliah);
?>

<!DOCTYPE>
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
        <script type="text/javascript" src="http://fullcalendar.io/js/fullcalendar-2.6.0/lib/moment.min.js"></script>
        <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.6.0/fullcalendar.min.js"></script>
        <script type="text/javascript">
        $(document).ready(function(){
            $("#calendar").fullCalendar({
                defaultView: "agendaWeek",
                minTime: "07:00:00",
                maxTime: "19:00:00",
                events: <?php echo $kuliah ?>
            });
        })
        </script>
        <link rel="stylesheet" href="http://fullcalendar.io/js/fullcalendar-2.6.0/fullcalendar.css">
    </head>
    <body>
        <div class="" id="calendar">

        </div>
    </body>
</html>