<?php
require 'OutlookCalendar.php';
$config = require 'config.php';

$email = $_GET['email'] ?? null;

if (!$email || !file_exists($config['token_storage'])) {
    die("Bitte logge dich zuerst über auth.php ein.");
}

$tokens = json_decode(file_get_contents($config['token_storage']), true);
if (!isset($tokens[$email])) {
    die("Kein Token für diese E-Mail gefunden.");
}

$data = $tokens[$email];

$calendar = new OutlookCalendar(
    $config['client_id'],
    $config['client_secret'],
    $config['redirect_uri'],
    $data['access_token'],
    $data['refresh_token']
);

// Optional: Token auffrischen, wenn abgelaufen
if (time() > ($data['time_saved'] + $data['expires_in'] - 60)) {
    $calendar->refreshAccessToken();
    $tokens[$email]['access_token'] = $calendar->getAccessToken();
    $tokens[$email]['refresh_token'] = $calendar->getRefreshToken();
    $tokens[$email]['time_saved'] = time();
    file_put_contents($config['token_storage'], json_encode($tokens, JSON_PRETTY_PRINT));
}

if (isset($_GET['update'])) {
    $eventId = $_GET['eventId'] ?? null;
    if (!$eventId) {
        die("Bitte eventId angeben.");
    }

    $updateData = [
        "subject" => "Geändertes Meeting via PHP",
        "start" => [
            "dateTime" => "2025-07-25T15:00:00",
            "timeZone" => "Europe/Berlin"
        ],
        "end" => [
            "dateTime" => "2025-07-25T16:00:00",
            "timeZone" => "Europe/Berlin"
        ]
    ];

    $result = $calendar->updateEvent($eventId, $updateData);
    header('Content-Type: application/json');
    echo json_encode($result, JSON_PRETTY_PRINT);
  
}

// Termin löschen
if (isset($_GET['delete'])) {
    $eventId = $_GET['eventId'] ?? null;
    if (!$eventId) {
        die("Bitte eventId angeben.");
    }

    $result = $calendar->deleteEvent($eventId);
    header('Content-Type: application/json');
    echo json_encode($result, JSON_PRETTY_PRINT);
 
}

// Termin erstellen
if(isset($_GET['create'])){
    $event = [
        "subject" => "Test-Meeting via PHP",
        "start" => [
            "dateTime" => "2025-06-25T10:00:00",
            "timeZone" => "Europe/Berlin"
        ],
        "end" => [
            "dateTime" => "2025-06-25T11:00:00",
            "timeZone" => "Europe/Berlin"
        ],
        "body" => [
            "contentType" => "HTML",
            "content" => "Meeting von OutlookCalendar PHP"
        ]
    ];

    $response = $calendar->createEvent($event);

    echo json_encode($response, JSON_PRETTY_PRINT);
}


if(isset($_GET['eventId'])) {
    $event = $calendar->getEventById($eventId);
    header('Content-Type: application/json');
    echo json_encode($event, JSON_PRETTY_PRINT);
    exit();
}
$events = $calendar->getEvents(); // eigene Funktion in OutlookCalendar-Klasse
header('Content-Type: application/json');
echo json_encode($events, JSON_PRETTY_PRINT);


?>