self.addEventListener("push", (event) => {
  let data = {};
  try {
    data = event.data ? event.data.json() : {};
  } catch {
    data = {};
  }

  const title = data.title || "Aarthalabs";
  const options = {
    body: data.body || "You have a new Aarthalabs notification.",
    icon: "/favicon.ico",
    badge: "/favicon.ico",
    data: {
      url: data.url || "/notifications",
    },
  };

  event.waitUntil(self.registration.showNotification(title, options));
});

self.addEventListener("notificationclick", (event) => {
  event.notification.close();
  const url = event.notification.data?.url || "/notifications";

  event.waitUntil(
    self.clients.matchAll({ type: "window", includeUncontrolled: true }).then((clients) => {
      for (const client of clients) {
        if ("focus" in client && client.url.includes(url)) {
          return client.focus();
        }
      }
      return self.clients.openWindow(url);
    }),
  );
});