<?PHP
/** Includes **/
include_once('./config.php');

//Autoloader
$files = scandir('./app/class/');
$files = array_diff($files, array(
	'.',
	'..',
	'app',
	'ChartJS.php',
	'ChartJS_Line.php',
	'ChartManager.php',
	'DashboardManager.php',
	'Partial.php',
	'Form.php',
	'Route.php',
	'Template.php',
	'Ajax.php',
));

foreach($files as $file) {
	include './app/class/'.  $file;
}

//DB Conector
Db::connect (DBHOST, DBUSER, DBPASS, DBNAME);

$logManager = new LogManager();

header('Content-type: text/plain; charset=utf8', true);

//Filtrování IP adress
if (DEBUGMOD != 1) {
	if (!in_array($_SERVER['REMOTE_ADDR'], HOMEIP)) {
		echo json_encode(array(
			'state' => 'unsuccess',
			'errorMSG' => "Using API from your IP insnt alowed!",
		));
		header($_SERVER["SERVER_PROTOCOL"]." 401 Unauthorized");
		$logManager->write("[Updater] acces denied from " . $_SERVER['REMOTE_ADDR'], LogRecordType::WARNING);
		exit();
	}
}

function sendFile($path)
{
	header($_SERVER["SERVER_PROTOCOL"] . ' 200 OK', true, 200);
	header('Content-Type: application/octet-stream', true);
	header('Content-Disposition: attachment; filename=' . basename($path));
	header('Content-Length: ' . filesize($path), true);
	header('x-MD5: ' . md5_file($path), true);
	readfile($path);
}

$macAddress = $_SERVER['HTTP_X_ESP8266_STA_MAC'];
$localBinary = "./app/updater/" . str_replace(':', '', $macAddress) . ".bin";
$logManager->write("[Updater] url: " . $localBinary, LogRecordType::INFO);
$logManager->write("[Updater] version: " . $_SERVER['HTTP_X_ESP8266_SKETCH_MD5'], LogRecordType::INFO);
if (file_exists($localBinary)) {
	$logManager->write("[Updater] version PHP: \n" . md5_file($localBinary), LogRecordType::INFO);
	if ($_SERVER['HTTP_X_ESP8266_SKETCH_MD5'] != md5_file($localBinary)) {
		sendFile($localBinary);
		//get device data
		$device = DeviceManager::getDeviceByMac($macAddress);
		$deviceName = $device['name'];
		$deviceId = $device['device_id'];
		//logfile write
		$logManager->write("[Device] device_ID " . $deviceId . " was just updated to new version", LogRecordType::WARNING);
		$logManager->write("[Device] version hash: \n" . md5_file($localBinary), LogRecordType::INFO);
		//notification
		$notificationMng = new NotificationManager;
		$notificationData = [
			'title' => 'Info',
			'body' => $deviceName.' was just updated to new version',
			'icon' => BASEDIR . '/app/templates/images/icon-192x192.png',
		];
		if ($notificationData != []) {
			$subscribers = $notificationMng->getSubscription();
			foreach ($subscribers as $key => $subscriber) {
				$logManager->write("[NOTIFICATION] SENDING TO " . $subscriber['id'] . " ", LogRecordType::INFO);
				$answer = $notificationMng->sendSimpleNotification(SERVERKEY, $subscriber['token'], $notificationData);
			}
		}
	} else {
			header($_SERVER["SERVER_PROTOCOL"].' 304 Not Modified', true, 304);
	}
} else {
	header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
}
die();