<?php
declare(strict_types=1);
require_once dirname(__DIR__) . '/src/bootstrap.php';

header('Content-Type: application/json; charset=utf-8');

$janus  = janusClient();
$info   = $janus->info();
$online = isset($info['janus']) && $info['janus'] === 'server_info';

$turnHost = trim((string) sfuConfig('turn_host', ''));
$turnPort = (int) sfuConfig('turn_port', 3478);
$turnUser = trim((string) sfuConfig('turn_user', ''));
$turnPass = trim((string) sfuConfig('turn_pass', ''));
$iceServers = [
    ['urls' => 'stun:stun.l.google.com:19302'],
    ['urls' => 'stun:stun1.l.google.com:19302'],
];
if ($turnHost !== '') {
    $iceServers[] = [
        'urls' => 'turn:' . $turnHost . ':' . $turnPort . '?transport=udp',
        'username' => $turnUser,
        'credential' => $turnPass,
    ];
}

echo json_encode([
    'ok'    => true,
    'sfu'   => [
        'enabled'        => true,
        'status'         => $online ? 'online' : 'unreachable',
        'janus_version'  => $info['version_string'] ?? null,
        'janus_url'      => sfuConfig('janus_url', 'http://10.7.16.237:8088/janus'),
        'signaling_url'  => sfuConfig('signaling_url', 'wss://apps.f0xx.org/app/androidcast_project/sfu/ws'),
        'ws_url'         => '/app/androidcast_project/sfu/ws',
        'api_base'       => '/app/androidcast_project/sfu/api',
        'ice_servers'    => $iceServers,
        'turn_host'      => $turnHost !== '' ? $turnHost : null,
    ],
], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);