<?php

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

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

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

checkKey('POST', 'token');
checkKey('POST', 'id');
checkKey('POST', 'topik');
checkKey('POST', 'tanggal');

$token = trim($_POST['token']);
$id = trim($_POST['id']);
$topik = trim($_POST['topik']);
$tanggal = trim($_POST['tanggal']);

$authorized = false;

$sql = 'SELECT * FROM tugas_akhir LEFT JOIN mahasiswa ON tugas_akhir.nim = mahasiswa.nim WHERE token = :token AND idTugasAkhir = (SELECT idTugasAkhir FROM konsultasi WHERE idKonsul = :idKonsul)';
$stmt = $dbh->prepare($sql);
$stmt->bindParam(':token', $token);
$stmt->bindParam(':idKonsul', $id);
$stmt->execute();

if ($stmt->rowCount() > 0) {
    $authorized = true;
}

if (!$authorized) {
    echo getUnauthorizedMessage();
    exit();
}

if ($topik == '') {
    echo getDataEmptyMessage();
    exit();
}

$sql = 'SELECT * FROM konsultasi WHERE idKonsul = :idKonsul';
$stmt = $dbh->prepare($sql);
$stmt->bindParam(':idKonsul', $id);
$stmt->execute();

$timestamp1 = 0;
$timestamp2 = 0;

while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    $timestamp1 = intval($row['timestampDosen1']);
    $timestamp2 = intval($row['timestampDosen2']);
}

if ($timestamp1 > 0 || $timestamp2 > 0) {
    echo json_encode(
        array(
            'status' => 0,
            'msg' => 'Tidak dapat mengedit data konsultasi ini, data telah di verifikasi pembimbing!!!',
        )
    );
    exit();
}

    $sql = 'UPDATE konsultasi SET tanggal = :tanggal, topik = :topik WHERE idKonsul = :idKonsul';
    $stmt = $dbh->prepare($sql);
    $stmt->bindParam(':tanggal', $tanggal);
    $stmt->bindParam(':topik', $topik);
    $stmt->bindParam(':idKonsul', $id);
    $stmt->execute();

    $error = $stmt->errorInfo();

    $isError = true;

    if ($error[0] == '00000') {
        $isError = false;
    }

    if ($isError) {
        echo json_encode(
            array(
                'status' => 0,
                'msg' => 'Terjadi kesalahan teknis!!!',
            )
        );
    } else {
        echo json_encode(
        array(
            'status' => 1,
            'msg' => 'Berhasil mengedit data konsultasi!!!',
        )
    );
    }