importScripts('https://www.gstatic.com/firebasejs/10.8.0/firebase-app-compat.js');
importScripts('https://www.gstatic.com/firebasejs/10.8.0/firebase-messaging-compat.js');

// Configuração que o utilizador precisa substituir com os dados reais
firebase.initializeApp({
  apiKey: "REPLACE_WITH_API_KEY",
  projectId: "REPLACE_WITH_PROJECT_ID",
  messagingSenderId: "REPLACE_WITH_MESSAGING_SENDER_ID",
  appId: "REPLACE_WITH_APP_ID"
});

const messaging = firebase.messaging();

messaging.onBackgroundMessage((payload) => {
  console.log('[firebase-messaging-sw.js] Received background message ', payload);
  const notificationTitle = payload.notification.title;
  const notificationOptions = {
    body: payload.notification.body,
    icon: '/favicon.ico'
  };

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