const CACHE_NAME = "epicnabbo-v1";
const STATIC_ASSETS = [
  "/",
  "/manifest.json",
  "/assets/pwa/icon-192x192.png",
  "/assets/pwa/icon-512x512.png",
];

// Install event - cache static assets
self.addEventListener("install", (event) => {
  event.waitUntil(
    caches.open(CACHE_NAME).then((cache) => {
      console.log("Caching static assets");
      return cache.addAll(STATIC_ASSETS);
    }),
  );
  self.skipWaiting();
});

// Activate event - clean up old caches
self.addEventListener("activate", (event) => {
  event.waitUntil(
    caches.keys().then((cacheNames) => {
      return Promise.all(
        cacheNames
          .filter((name) => name !== CACHE_NAME)
          .map((name) => caches.delete(name)),
      );
    }),
  );
  self.clients.claim();
});

// Fetch event - network first, fallback to cache
self.addEventListener("fetch", (event) => {
  // Skip non-GET requests
  if (event.request.method !== "GET") return;

  // Skip API calls and external requests
  const url = new URL(event.request.url);
  if (url.pathname.startsWith("/api") || url.origin !== location.origin) {
    return;
  }

  event.respondWith(
    fetch(event.request)
      .then((response) => {
        // Clone the response
        const responseClone = response.clone();

        // Cache successful responses
        if (response.status === 200) {
          caches.open(CACHE_NAME).then((cache) => {
            cache.put(event.request, responseClone);
          });
        }

        return response;
      })
      .catch(() => {
        // Fallback to cache
        return caches.match(event.request).then((cachedResponse) => {
          if (cachedResponse) {
            return cachedResponse;
          }
          // Return offline page if available
          return caches.match("/");
        });
      }),
  );
});

// Handle push notifications
self.addEventListener("push", (event) => {
  const data = event.data ? event.data.json() : {};
  const title = data.title || "Epicnabbo";
  const options = {
    body: data.body || "New notification",
    icon: "/assets/pwa/icon-192x192.png",
    badge: "/assets/pwa/icon-72x72.png",
    vibrate: [100, 50, 100],
    data: {
      url: data.url || "/",
    },
  };

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

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