self.addEventListener('install', () => self.skipWaiting());
self.addEventListener('activate', (e) => e.waitUntil(self.clients.claim()));

self.addEventListener('push', (e) => {
  let data = { title: '🔎 Research Agent', body: 'Eine Recherche ist fertig!' };
  try {
    data = JSON.parse(e.data.text());
  } catch {}
  e.waitUntil(
    self.registration.showNotification(data.title, {
      body: data.body,
      icon: '/icons/icon-192.png',
      badge: '/icons/icon-192.png',
      tag: 'research-done',
      data: { url: data.url || '/' },
    })
  );
});

self.addEventListener('notificationclick', (e) => {
  e.notification.close();
  const url = e.notification.data?.url || '/';
  e.waitUntil(
    self.clients
      .matchAll({ type: 'window', includeUncontrolled: true })
      .then((clients) => {
        for (const client of clients) {
          if ('focus' in client) return client.focus();
        }
        return self.clients.openWindow(url);
      })
  );
});