// AR Cars — Firebase Messaging Service Worker
// =====================================================
// This file MUST be named exactly: firebase-messaging-sw.js
// and placed in the ROOT of your driver site on Hostinger
// =====================================================

importScripts('https://www.gstatic.com/firebasejs/10.7.0/firebase-app-compat.js');
importScripts('https://www.gstatic.com/firebasejs/10.7.0/firebase-messaging-compat.js');

firebase.initializeApp({
  apiKey: "AIzaSyDqzJCXbDOEjxC_HILz_7r62Lrz8dr0r08",
  authDomain: "arcars-ea01f.firebaseapp.com",
  projectId: "arcars-ea01f",
  storageBucket: "arcars-ea01f.firebasestorage.app",
  messagingSenderId: "657650126765",
  appId: "1:657650126765:web:6503a9f6300dbe4770a7dd"
});

const messaging = firebase.messaging();

// Handle background messages (when app is closed or in background)
messaging.onBackgroundMessage(function(payload) {
  console.log('Background message received:', payload);

  const title = payload.notification?.title || 'AR Cars';
  const body = payload.notification?.body || 'You have a new update';
  const icon = payload.notification?.icon || '/icons/icon-192.png';
  const badge = '/icons/icon-96.png';
  const data = payload.data || {};

  const notificationOptions = {
    body: body,
    icon: icon,
    badge: badge,
    tag: data.tag || 'uc-notification',
    data: data,
    requireInteraction: true,
    actions: [
      { action: 'open', title: 'Open App' },
      { action: 'dismiss', title: 'Dismiss' }
    ]
  };

  self.registration.showNotification(title, notificationOptions);
});

// Handle notification click
self.addEventListener('notificationclick', function(event) {
  event.notification.close();

  if (event.action === 'dismiss') return;

  const data = event.notification.data || {};
  let url = '/dashboard.html';

  // Route to correct page based on notification type
  if (data.type === 'new_job') url = '/jobs.html';
  else if (data.type === 'school_run_assigned') url = '/schoolruns.html';
  else if (data.type === 'school_run_changed') url = '/schoolruns.html';
  else if (data.type === 'job_updated') url = '/jobs.html';

  event.waitUntil(
    clients.matchAll({ type: 'window', includeUncontrolled: true }).then(function(clientList) {
      // If app is already open, focus it
      for (const client of clientList) {
        if (client.url.includes(self.location.origin) && 'focus' in client) {
          client.navigate(url);
          return client.focus();
        }
      }
      // Otherwise open new window
      if (clients.openWindow) {
        return clients.openWindow(url);
      }
    })
  );
});

// Cache essential files for offline use
const CACHE_NAME = 'uc-driver-v1';
const OFFLINE_URLS = [
  '/index.html',
  '/dashboard.html',
  '/schoolruns.html',
  '/jobs.html',
  '/earnings.html',
  '/vehiclecheck.html',
  '/office.html',
  '/history.html',
  '/manifest.json',
  '/icons/icon-192.png'
];

self.addEventListener('install', function(event) {
  event.waitUntil(
    caches.open(CACHE_NAME).then(function(cache) {
      return cache.addAll(OFFLINE_URLS);
    })
  );
  self.skipWaiting();
});

self.addEventListener('activate', function(event) {
  event.waitUntil(
    caches.keys().then(function(cacheNames) {
      return Promise.all(
        cacheNames.filter(name => name !== CACHE_NAME).map(name => caches.delete(name))
      );
    })
  );
  self.clients.claim();
});

// Serve cached files when offline
self.addEventListener('fetch', function(event) {
  if (event.request.method !== 'GET') return;
  if (!event.request.url.startsWith(self.location.origin)) return;

  event.respondWith(
    fetch(event.request).catch(function() {
      return caches.match(event.request).then(function(cached) {
        return cached || caches.match('/dashboard.html');
      });
    })
  );
});