if ('function' === typeof importScripts) {
  // eslint-disable-next-line no-undef
  importScripts('https://www.gstatic.com/firebasejs/8.2.0/firebase-app.js');
  // eslint-disable-next-line no-undef
  importScripts('https://www.gstatic.com/firebasejs/8.2.0/firebase-messaging.js');
  // eslint-disable-next-line no-undef

  const firebaseConfig = {
    apiKey: '<FCM_apiKey>',
    authDomain: '<FCM_authDomain>',
    databaseURL: '<FCM_databaseURL>',
    projectId: '<FCM_projectId>',
    storageBucket: '<FCM_storageBucket>',
    messagingSenderId: '<FCM_messagingSenderId>',
    appId: '<FCM_appId>',
    measurementId: '<FCM_measurementId>'
  };

  // eslint-disable-next-line no-undef
  firebase.initializeApp(firebaseConfig);

  const COLLECTIONS_PORTAL_BROADCAST_CHANNEL = 'COLLECTIONS_PORTAL_BROADCAST_CHANNEL';
  const bc = new BroadcastChannel(COLLECTIONS_PORTAL_BROADCAST_CHANNEL);

  // Retrieve firebase messaging
  // eslint-disable-next-line no-undef
  const messaging = firebase.messaging();

  messaging.onBackgroundMessage(function (response) {
    if (response?.data?.payload) {
      bc.postMessage(response.data.payload);
    }
  });
}
// Initialize the Firebase app in the service worker by passing the generated config