<?php
session_start();
include '../conf/koneksiPDO.php';
include '../conf/function.php';

header('Content-Type: application/json');

$conn = new createCon();
$dbh = $conn->connect();

checkKey('POST', 'username');
checkKey('POST', 'password');

$username = trim(strtoupper($_POST['username']));
$password = $_POST['password'];
$passwordRaw = $password;
$password = md5($password);

$loginSuccess = false;
$pesanError = 'Username dan password tidak cocok!!!';

if(!(isset($_GET['dosen']) || isset($_GET['admin']))){
    $usernameSiakad = rawurlencode($username);
    $passwordSiakad = rawurlencode($passwordRaw);
    /**
    $url = "https://bkd.untan.ac.id/API/forward-login-siakad-mhs.php?nim=$usernameSiakad&pass=$passwordSiakad";
    //$url = "http://203.24.50.140/API/forward-login-siakad-mhs.php?nim=$usernameSiakad&pass=$passwordSiakad";
            $context = stream_context_create(['http' => ['ignore_errors' => true]]);
            $result = @file_get_contents($url, false, $context);
            
            if ($http_response_header[0] == 'HTTP/1.1 200 OK') {
                $decodedResult = json_decode($result, true);
                //echo $result;
                if (isset($decodedResult['result'][0]['idmhs'])) {
                    if (!($decodedResult['result'][0]['idmhs'] == '0')) {
                        $sql = "UPDATE tbmhs SET password = :password WHERE nim = :nim";
                            $stmt = $dbh->prepare($sql);
                        $stmt->bindParam(':nim', $username);
                        $stmt->bindParam(':password', $password);
                        $stmt->execute();
                    }
                } else {
                    $dom = new DOMDocument();
                    @$dom->loadHTML($result);
                    $x = new DOMXPath($dom);
        
                    $pesanSiakad = null;
                    foreach ($x->query("//div[contains(@class, 'kotak')]") as $node) {
                        $pesanSiakad = $node->nodeValue;
                    }
        
                    if ($pesanSiakad != null) {
                        $sql = "UPDATE tbmhs SET password = :password WHERE nim = :nim";
                        $stmt = $dbh->prepare($sql);
                        $stmt->bindParam(':nim', $username);
                        $stmt->bindParam(':password', $password);
                        $stmt->execute();
                    } 
                }
            } 
			**/
			
			//$url = "http://203.24.50.140/API/login-siakad-mhs.php?username=$username&password=$passwordRaw";
			$url = (string) (getenv('SPOTA_SIAKAD_LOGIN_URL') ?: '');
            $payload = [
                'nim' => $username,
                'password' => $passwordRaw,
            ];
            
            $postData = json_encode($payload);
            $opts = ['http' =>
                        [
                            'method'  => 'POST',
                            'ignore_errors' => true,
                            'header'  => 'Content-Type: application/json',
                            'content' => $postData,
                            
                        ],
                        "ssl"=>[
                                "verify_peer"=>false,
                                "verify_peer_name"=>false,
                            ],
                    ];
                    
            $context  = stream_context_create($opts);
            if ($url !== '') {
                $response = @file_get_contents($url, false, $context);
                $decoded = json_decode((string) $response, 1);
                $responseCode = isset($decoded['CODE']) ? (string) $decoded['CODE'] : null;

                if ($responseCode === '200') {
                    $sql = "UPDATE tbmhs SET password = :password WHERE nim = :nim";
                    $stmt = $dbh->prepare($sql);
                    $stmt->bindParam(':nim', $username);
                    $stmt->bindParam(':password', $password);
                    $stmt->execute();
                }
            }
            
}

            

    $sql = 'SELECT * FROM tbmhs WHERE nim = :nim AND password = :password';
    $stmt = $dbh->prepare($sql);
    $stmt->bindParam(':nim', $username);
    $stmt->bindParam(':password', $password);
    $stmt->execute();

    while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
        $loginSuccess = true;
        $level = 'mahasiswa';
        $idMhs = $row['idmhs'];
        $nim = $row['nim'];
        $namaMhs = $row['nmLengkap'];
        $email = $row['email'];
        $foto = $row['foto'];
        $urlFoto = "//spota.untan.ac.id/img/$foto";

        $data = [
                'id' => $idMhs,
                'nim' => $nim,
                'nama' => $namaMhs,
                'email' => $email,
                'foto' => $foto,
                'urlFoto' => $urlFoto,
            ];
    }

    if (isset($_GET['dosen'])) {
        $loginSuccess = false;
        $data = [];
    }

    if (!$loginSuccess) {
        $sql = 'SELECT * FROM tbdosen WHERE nip = :nip AND password = :password';
        $stmt = $dbh->prepare($sql);
        $stmt->bindParam(':nip', $username);
        $stmt->bindParam(':password', $password);
        $stmt->execute();

        // if($username == "123456"){
        //     $x = '198908192019032012';
        //     $sql = 'SELECT * FROM tbdosen WHERE nip = :nip';
        //     $stmt = $dbh->prepare($sql);
        //     $stmt->bindParam(':nip', $x);
        //     $stmt->execute();
        // }
    
        while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
            $loginSuccess = true;
            $level = 'dosen';
            $idDosen = $row['iddosen'];
            $nip = $row['nip'];
            $nama = $row['nmLengkap'];
            $email = $row['email'];
            $hp = $row['nohp'];
            $foto = $row['foto'];
            $jenisDosen = $row['jenis'];

            $kajur = false;
            if ($jenisDosen == 'K') {
                $kajur = true;
            }

            $urlFoto = "//spota.untan.ac.id/img/$foto";

            $data = [
                    'id' => $idDosen,
                    'nip' => $nip,
                    'nama' => $nama,
                    'email' => $email,
                    'hp' => $hp,
                    'foto' => $foto,
                    'kajur' => $kajur,
                    'urlFoto' => $urlFoto,
            ];
        }
    }

    if (isset($_GET['admin'])) {
        $loginSuccess = false;
        $data = [];
    }

    if (!$loginSuccess) {
        $sql = 'SELECT * FROM tbadmin WHERE username = :username AND password = :password';
        $stmt = $dbh->prepare($sql);
        $stmt->bindParam(':username', $username);
        $stmt->bindParam(':password', $password);
        $stmt->execute();

        while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
            $loginSuccess = true;
            $level = 'admin';
            $idAdmin = $row['idAdmin'];
            $nip = $row['nip'];
            $nama = $row['nmLengkap'];
            $email = $row['email'];
            $hp = $row['notelp'];

            $data = [
                    'id' => $idAdmin,
                    'nip' => $nip,
                    'nama' => $nama,
                    'email' => $email,
                    'hp' => $hp,
            ];
        }
    }

if ($loginSuccess) {
    $_SESSION = [];

    if ($level === 'mahasiswa') {
        $_SESSION['login-mhs'] = [
            'id' => $data['id'],
            'nim' => $data['nim'],
            'nama' => $data['nama'],
            'email' => $data['email'],
        ];
    } elseif ($level === 'dosen') {
        $_SESSION['login-dosen'] = [
            'id' => $data['id'],
            'nip' => $data['nip'],
            'nama' => $data['nama'],
            'email' => $data['email'],
            'hp' => $data['hp'],
            'kajur' => $data['kajur'],
        ];
    } elseif ($level === 'admin') {
        $_SESSION['login-admin'] = [
            'id' => $data['id'],
            'nip' => $data['nip'],
            'nama' => $data['nama'],
            'email' => $data['email'],
            'hp' => $data['hp'],
        ];
    }

    echo json_encode(['status' => 1, 'msg' => 'Login sukses!!!', 'data' => $data, 'level' => $level]);
} else {
    echo json_encode(['status' => 0, 'msg' => $pesanError]);
}