public function generateIcecastConfig($options = null)
    {
        if (!$options) {
            $options = [];
            $options['location'] = 'Earth';
            $options['hostname'] = 'localhost';
            $options['admin'] = 'admin@site.com';
            $options['auth']['source-password'] = 'pass2019';
            $options['auth']['relay-password'] = 'pass2019';
            $options['auth']['admin-user'] = 'admin';
            $options['auth']['admin-password'] = 'pass2019';
            $options['port'] = 8000;
            $options['burst-size'] = 65536;
            $options['fallback-override'] = 0;
            $options['fileserve'] = 1;
            $options['chroot'] = 0;
            $options['on-connect'] = '/home/icecast/bin/stream-start';
            $options['on-disconnect'] = '/home/icecast/bin/stream-stop';
            $options['m1']['mount-name'] = '/liquidsoap';
            $options['m1']['username'] = 'source';
            $options['m1']['password'] = 'ls2019';
            $options['m1']['max-listeners'] = 10;
            $options['m1']['hidden'] = 0;
            $options['m1']['public'] = 0;
            $options['m2']['mount-name'] = '/live';
            $options['m2']['username'] = 'source';
            $options['m2']['password'] = 'live2019';
            $options['m2']['max-listeners'] = 10;
            $options['m2']['hidden'] = 1;
            $options['m2']['public'] = 0;
            $options['m3']['mount-name'] = '/mp3192';
            $options['m3']['username'] = 'source';
            $options['m3']['password'] = 'mp31922019';
            $options['m3']['max-listeners'] = 10;
            $options['m3']['hidden'] = 1;
            $options['m3']['public'] = 0;
            $options['paths']['basedir'] = '/usr/share/icecast2';
            $options['paths']['logdir'] = '/var/log/icecast2';
            $options['paths']['webroot'] = '/usr/share/icecast2/web';
            $options['paths']['alias-destination'] = '/status.xsl';
            $options['logging']['errorlog'] = 'error.log';
            $options['logging']['accesslog'] = 'access.log';
            $options['logging']['loglevel'] = 3;
            $options['logging']['logsize'] = 10000;
        }

        $xml = new DomDocument('1.0');
        $xml->formatOutput = true;
        $icecast = $xml->createElement("icecast");
        $xml->appendChild($icecast);

        // Location
        $location = $xml->createElement("location", $options['location']);
        $icecast->appendChild($location);

        // Admin
        $admin = $xml->createElement("admin", $options['admin']);
        $icecast->appendChild($admin);

        // Limits
        $limits = $xml->createElement("limits");
        $icecast->appendChild($limits);

            $clients = $xml->createElement("clients", 10);
            $limits->appendChild($clients);

            $sources = $xml->createElement("sources", 20);
            $limits->appendChild($sources);

            $queueSize = $xml->createElement("queue-size", 524288);
            $limits->appendChild($queueSize);

            $clientTimeout = $xml->createElement("client-timeout", 30);
            $limits->appendChild($clientTimeout);

            $headerTimeout = $xml->createElement("header-timeout", 15);
            $limits->appendChild($headerTimeout);

            $sourceTimeout = $xml->createElement("source-timeout", 10);
            $limits->appendChild($sourceTimeout);

            $burstOnConnect = $xml->createElement("burst-on-connect", 1);
            $limits->appendChild($burstOnConnect);

            $burstSize = $xml->createElement("burst-size", $options['burst-size']);
            $limits->appendChild($burstSize);

        // Authentication
        $authentication = $xml->createElement("authentication");
        $icecast->appendChild($authentication);

            $sourcePassword = $xml->createElement("source-password", $options['auth']['source-password']);
            $authentication->appendChild($sourcePassword);

            $relayPassword = $xml->createElement("relay-password", $options['auth']['relay-password']);
            $authentication->appendChild($relayPassword);

            $adminUser = $xml->createElement("admin-user", $options['auth']['admin-user']);
            $authentication->appendChild($adminUser);

            $adminPassword = $xml->createElement("admin-password", $options['auth']['admin-password']);
            $authentication->appendChild($adminPassword);

        // Hostname
        $hostname = $xml->createElement("hostname", $options['hostname']);
        $icecast->appendChild($hostname);

        // Listen Socket
        $listenSocket = $xml->createElement("listen-socket");
        $icecast->appendChild($listenSocket);

            $port = $xml->createElement("port", $options['port']);
            $listenSocket->appendChild($port);

        // HTTP Headers
        $httpHeaders = $xml->createElement("http-headers");
        $icecast->appendChild($httpHeaders);
        $httpHeadersHeader = $xml->createElement("header");
        $httpHeaders->appendChild($httpHeadersHeader);
        $httpHeadersHeader->setAttribute("name", 'Access-Control-Allow-Origin');
        $httpHeadersHeader->setAttribute("value", "*");

        // Mount 1 (Liquid Soap)
        $mount1= $xml->createElement("mount");
        $icecast->appendChild($mount1);
        $mount1->setAttribute("type", "normal");

            $mountName = $xml->createElement("mount-name", $options['m1']['mount-name']);
            $mount1->appendChild($mountName);

            $username = $xml->createElement("username", $options['m1']['username']);
            $mount1->appendChild($username);

            $password = $xml->createElement("password", $options['m1']['password']);
            $mount1->appendChild($password);

            $maxListeners = $xml->createElement("max-listeners", $options['m1']['max-listeners']);
            $mount1->appendChild($maxListeners);

            $burstSize = $xml->createElement("burst-size", $options['burst-size']);
            $mount1->appendChild($burstSize);

            $fallbackOverride = $xml->createElement("fallback-override", $options['fallback-override']);
            $mount1->appendChild($fallbackOverride);

            $hidden = $xml->createElement("hidden", $options['m1']['hidden']);
            $mount1->appendChild($hidden);

            $public = $xml->createElement("public", $options['m1']['public']);
            $mount1->appendChild($public);

            // HTTP Headers
            $httpHeaders = $xml->createElement("http-headers");
            $mount1->appendChild($httpHeaders);

            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", 'Access-Control-Allow-Origin');
            $httpHeadersHeader->setAttribute("value", "http://webplayer.example.org");
            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", "baz");
            $httpHeadersHeader->setAttribute("value", "quux");

            $onConnect = $xml->createElement("on-connect", $options['on-connect']);
            $mount1->appendChild($onConnect);
            $onDisconnect = $xml->createElement("on-disconnect", $options['on-disconnect']);
            $mount1->appendChild($onDisconnect);

        // Mount 2 (Live)
        $mount2= $xml->createElement("mount");
        $icecast->appendChild($mount2);
        $mount2->setAttribute("type", "normal");

            $mountName = $xml->createElement("mount-name", $options['m2']['mount-name']);
            $mount2->appendChild($mountName);

            $username = $xml->createElement("username", $options['m2']['username']);
            $mount2->appendChild($username);

            $password = $xml->createElement("password", $options['m2']['password']);
            $mount2->appendChild($password);

            $maxListeners = $xml->createElement("max-listeners", $options['m2']['max-listeners']);
            $mount2->appendChild($maxListeners);

            $burstSize = $xml->createElement("burst-size", $options['burst-size']);
            $mount2->appendChild($burstSize);

            $hidden = $xml->createElement("hidden", $options['m2']['hidden']);
            $mount2->appendChild($hidden);

            $public = $xml->createElement("public", $options['m2']['public']);
            $mount2->appendChild($public);

            // HTTP Headers
            $httpHeaders = $xml->createElement("http-headers");
            $mount2->appendChild($httpHeaders);

            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", 'Access-Control-Allow-Origin');
            $httpHeadersHeader->setAttribute("value", "http://webplayer.example.org");
            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", "baz");
            $httpHeadersHeader->setAttribute("value", "quux");

            $onConnect = $xml->createElement("on-connect", $options['on-connect']);
            $mount2->appendChild($onConnect);
            $onDisconnect = $xml->createElement("on-disconnect", $options['on-disconnect']);
            $mount2->appendChild($onDisconnect);

        // Mount 3 (192k Output)
        $mount3= $xml->createElement("mount");
        $icecast->appendChild($mount3);
        $mount3->setAttribute("type", "normal");

            $mountName = $xml->createElement("mount-name", $options['m3']['mount-name']);
            $mount3->appendChild($mountName);

            $username = $xml->createElement("username", $options['m3']['username']);
            $mount3->appendChild($username);

            $password = $xml->createElement("password", $options['m3']['password']);
            $mount3->appendChild($password);

            $maxListeners = $xml->createElement("max-listeners", $options['m3']['max-listeners']);
            $mount3->appendChild($maxListeners);

            $burstSize = $xml->createElement("burst-size", $options['burst-size']);
            $mount3->appendChild($burstSize);

            $hidden = $xml->createElement("hidden", $options['m3']['hidden']);
            $mount3->appendChild($hidden);

            $public = $xml->createElement("public", $options['m3']['public']);
            $mount3->appendChild($public);

            // HTTP Headers
            $httpHeaders = $xml->createElement("http-headers");
            $mount3->appendChild($httpHeaders);

            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", 'Access-Control-Allow-Origin');
            $httpHeadersHeader->setAttribute("value", "http://webplayer.example.org");
            $httpHeadersHeader = $xml->createElement("header");
            $httpHeaders->appendChild($httpHeadersHeader);
            $httpHeadersHeader->setAttribute("name", "baz");
            $httpHeadersHeader->setAttribute("value", "quux");

            $onConnect = $xml->createElement("on-connect", $options['on-connect']);
            $mount3->appendChild($onConnect);
            $onDisconnect = $xml->createElement("on-disconnect", $options['on-disconnect']);
            $mount3->appendChild($onDisconnect);

        // FileServe
        $fileServe = $xml->createElement("fileserve", $options['fileserve']);
        $icecast->appendChild($fileServe);

        // Paths
        $paths = $xml->createElement("paths");
        $icecast->appendChild($paths);

            $baseDir = $xml->createElement("basedir", $options['paths']['basedir']);
            $paths->appendChild($baseDir);

            $logDir = $xml->createElement("logdir", $options['paths']['logdir']);
            $paths->appendChild($logDir);

            $webRoot = $xml->createElement("webroot", $options['paths']['webroot']);
            $paths->appendChild($webRoot);

            $alias = $xml->createElement("alias");
            $paths->appendChild($alias);
            $alias->setAttribute("source", "/");
            $alias->setAttribute("destination", $options['paths']['alias-destination']);

        // Logging
        $logging = $xml->createElement("logging");
        $icecast->appendChild($logging);

            $accessLog = $xml->createElement("accesslog", $options['logging']['accesslog']);
            $logging->appendChild($accessLog);

            $errorLog = $xml->createElement("errorlog", $options['logging']['errorlog']);
            $logging->appendChild($errorLog);

            $logLevel = $xml->createElement("loglevel", $options['logging']['loglevel']);
            $logging->appendChild($logLevel);

            $logSize = $xml->createElement("logsize", $options['logging']['logsize']);
            $logging->appendChild($logSize);

        // Security
        $security = $xml->createElement("security");
        $icecast->appendChild($security);

            $chroot = $xml->createElement("chroot", $options['chroot']);
            $security->appendChild($chroot);

        return $xml->saveXML();
    }