<?php

require_once __DIR__ . '/vendor/autoload.php';

// Replace with your actual credentials
$appId = '12994c6e707543e68d5638894d04f989';
$appCertificate = 'e21a388f83034a159f2783889a6d7bcf';

// Set server port
$port = 8080;

// Function to generate Agora token
function generateToken($channelName, $uid = 0, $role = RtcRole::SUBSCRIBER, $expireTime = 360) {
  // Check mandatory parameter
  if (!$channelName) {
    throw new Exception('Channel name is required');
  }

  // Calculate privilege expiration time
  $currentTime = time();
  $privilegeExpireTime = $currentTime + $expireTime;

  // Build and return token
  return RtcTokenBuilder::buildTokenWithUid($appId, $appCertificate, $channelName, $uid, $role, $privilegeExpireTime);
}

// Create server using Slim Framework
$app = new Slim\App();

// Token generation endpoint
$app->get('/token', function ($request, $response) use ($app, $appId, $appCertificate) {
  // Get parameters
  $channelName = $request->getQueryParam('channelName');
  $uid = $request->getQueryParam('uid', 0);
  $role = $request->getQueryParam('role', RtcRole::SUBSCRIBER);
  $expireTime = $request->getQueryParam('expireTime', 3600);

  try {
    // Generate token
    $token = generateToken($channelName, $uid, $role, $expireTime);

    // Respond with JSON
    $response->withJson(['token' => $token]);
  } catch (Exception $e) {
    // Handle error
    $response->withStatus(500)->withJson(['error' => $e->getMessage()]);
  }
});

// Start server
$app->run($port);