const CACHE_NAME = "saldo-shell-v1";
const APP_SHELL = [
  "/",
  "/static/css/app.css",
  "/static/js/app.js",
  "/static/manifest.json",
];

self.addEventListener("install", (event) => {
  event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)));
});

self.addEventListener("fetch", (event) => {
  if (event.request.method !== "GET") return;
  event.respondWith(
    caches.match(event.request).then((response) => response || fetch(event.request))
  );
});

self.addEventListener("push", (event) => {
  const data = event.data ? event.data.json() : { title: "Saldo", body: "Neue Erinnerung" };
  event.waitUntil(
    self.registration.showNotification(data.title, {
      body: data.body,
      icon: "/static/icons/landmark.svg",
      badge: "/static/icons/bell.svg",
      data: { url: data.url || "/" },
    })
  );
});

self.addEventListener("notificationclick", (event) => {
  event.notification.close();
  event.waitUntil(clients.openWindow(event.notification.data.url || "/"));
});