/* eslint-disable @typescript-eslint/no-unused-vars */

// عین google-services.json/pushToken.ts اندروید — این مقادیر عمومی و امن برای
// مرورگرند. سرویس‌ورکرِ استاتیک نمی‌تونه process.env بخونه، پس مستقیم اینجا نوشته
// شدن (دقیقاً همون چیزی که NEXT_PUBLIC_FIREBASE_* توی باندلِ کلاینت هم inline می‌شه)
importScripts("https://www.gstatic.com/firebasejs/10.13.2/firebase-app-compat.js");
importScripts("https://www.gstatic.com/firebasejs/10.13.2/firebase-messaging-compat.js");

firebase.initializeApp({
  apiKey: "AIzaSyDpUh8AlafwyM931o519oX3z7JYnXZJyBg",
  authDomain: "modstagram-com.firebaseapp.com",
  projectId: "modstagram-com",
  storageBucket: "modstagram-com.firebasestorage.app",
  messagingSenderId: "767614062479",
  appId: "1:767614062479:web:ec2aea23cc8ce17dfe45fa",
});

// پیامِ پوش وقتی تب بسته/پس‌زمینه‌ست — عین رفتار پیش‌فرضِ اندروید (نوتیفِ سیستمی).
// وقتی تب باز و فعاله، Firebase این رویداد رو صدا نمی‌زنه — اونجا onMessage
// (pushNotifications.ts سمتِ کلاینت) با toast جایگزینش می‌کنه
const messaging = firebase.messaging.isSupported() ? firebase.messaging() : null;
if (messaging) {
  messaging.onBackgroundMessage((payload) => {
    const title = payload.notification?.title || "modstagram";
    self.registration.showNotification(title, {
      body: payload.notification?.body,
      icon: "/images/icons/192x192.png",
      badge: "/images/icons/192x192.png",
      data: payload.data || {},
    });
  });
}

self.addEventListener("notificationclick", (event) => {
  event.notification.close();
  const url = "/settings/notifications";
  event.waitUntil(
    self.clients.matchAll({ type: "window", includeUncontrolled: true }).then((clientsArr) => {
      const existing = clientsArr.find((c) => c.url.includes(url));
      if (existing) return existing.focus();
      return self.clients.openWindow(url);
    })
  );
});

const CACHE_NAME = "pwa-cache-v11";

const PRECACHE_URLS = [
  "/",
  "/manifest.webmanifest",
  "/manifest.json",
  "/images/icons/192x192.png",
  "/images/icons/256x256.png",
  "/images/icons/512x512.png",
  "/images/icons/apple-touch-icon.png",
  "/images/icons/maskable-192.png",
  "/images/icons/maskable-512.png",
  "/favicon.png",
];

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

self.addEventListener("activate", (event) => {
  event.waitUntil(
    caches
      .keys()
      .then((keys) =>
        Promise.all(
          keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))
        )
      )
      .then(() => self.clients.claim())
  );
});

self.addEventListener("fetch", (event) => {
  const url = new URL(event.request.url);

  if (event.request.mode === "navigate") {
    event.respondWith(fetch(event.request));
    return;
  }

  if (
    url.pathname.startsWith("/images/icons/") ||
    url.pathname.endsWith("manifest.webmanifest") ||
    url.pathname.endsWith("manifest.json") ||
    url.pathname.endsWith("favicon.png")
  ) {
    event.respondWith(
      fetch(event.request)
        .then((res) => {
          if (res.ok) {
            const clone = res.clone();
            caches.open(CACHE_NAME).then((cache) => cache.put(event.request, clone));
          }
          return res;
        })
        .catch(() => caches.match(event.request))
    );
    return;
  }

  if (
    url.pathname.startsWith("/images/") ||
    url.pathname.endsWith(".png") ||
    url.pathname.endsWith(".jpg") ||
    url.pathname.endsWith(".jpeg") ||
    url.pathname.endsWith(".gif") ||
    url.pathname.endsWith(".webp")
  ) {
    event.respondWith(
      caches.match(event.request).then((cached) => {
        const networkFetch = fetch(event.request).then((res) => {
          if (res.ok) {
            const clone = res.clone();
            caches
              .open(CACHE_NAME)
              .then((cache) => cache.put(event.request, clone));
          }
          return res;
        });
        return cached || networkFetch;
      })
    );
  }
});