// Service Worker SAR — C6 Web Push
// Recebe push events e exibe notificação nativa. Clique abre a URL do payload.

self.addEventListener('push', (event) => {
  const data = event.data?.json() ?? {};
  event.waitUntil(
    self.registration.showNotification(data.title ?? 'SAR', {
      body: data.body ?? '',
      icon: '/sar-icon.png',
      badge: '/sar-icon.png',
      data: data.url ? { url: data.url } : undefined,
    }),
  );
});

self.addEventListener('notificationclick', (event) => {
  event.notification.close();
  const url = event.notification.data?.url;
  if (url) {
    event.waitUntil(clients.openWindow(url));
  }
});