/* Service Worker de mensajería (Web Push) para Sky Balloons México.
   No hace caché de la app: solo escucha 'push' y 'notificationclick'. */

self.addEventListener("install", () => self.skipWaiting());
self.addEventListener("activate", (event) => event.waitUntil(self.clients.claim()));

self.addEventListener("push", (event) => {
  let payload = {};
  try {
    payload = event.data ? event.data.json() : {};
  } catch {
    payload = { title: "Sky Balloons México", body: event.data ? event.data.text() : "" };
  }

  const titulo = payload.title || payload.titulo || "Sky Balloons México";
  const opciones = {
    body: payload.body || payload.cuerpo || "",
    icon: payload.icon || "/icons/icon-192.png",
    badge: payload.badge || "/icons/icon-192.png",
    tag: payload.tag,
    data: { url: payload.url || (payload.data && payload.data.url) || "/" },
  };

  event.waitUntil(self.registration.showNotification(titulo, opciones));
});

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

  event.waitUntil(
    (async () => {
      const clientes = await self.clients.matchAll({ type: "window", includeUncontrolled: true });
      for (const cliente of clientes) {
        if ("focus" in cliente) {
          await cliente.focus();
          if ("navigate" in cliente) {
            try {
              await cliente.navigate(destino);
            } catch {
              /* ignorar */
            }
          }
          return;
        }
      }
      await self.clients.openWindow(destino);
    })(),
  );
});