import {NativeModules, DeviceEventEmitter} from 'react-native';
import NotificationAndroid from './notification';

const RNNotifications = NativeModules.WixRNNotifications;

let notificationReceivedListener;
let notificationReceivedInForegroundListener;
let notificationOpenedListener;
let registrationTokenUpdateListener;

export class NotificationsAndroid {
  static setNotificationOpenedListener(listener) {
    notificationOpenedListener = DeviceEventEmitter.addListener('notificationOpened', (notification) => listener(new NotificationAndroid(notification)));
  }

  static clearNotificationOpenedListener() {
    if (notificationOpenedListener) {
      notificationOpenedListener.remove();
      notificationOpenedListener = null;
    }
  }

  static setNotificationReceivedListener(listener) {
    notificationReceivedListener = DeviceEventEmitter.addListener('notificationReceived', (notification) => listener(new NotificationAndroid(notification)));
  }

  static setNotificationReceivedInForegroundListener(listener) {
    notificationReceivedInForegroundListener = DeviceEventEmitter.addListener('notificationReceivedInForeground', (notification) => listener(new NotificationAndroid(notification)));
  }

  static clearNotificationReceivedListener() {
    if (notificationReceivedListener) {
      notificationReceivedListener.remove();
      notificationReceivedListener = null;
    }
  }

  static clearNotificationReceivedInForegroundListener() {
    if (notificationReceivedInForegroundListener) {
      notificationReceivedInForegroundListener.remove();
      notificationReceivedInForegroundListener = null;
    }
  }

  static setRegistrationTokenUpdateListener(listener) {
    registrationTokenUpdateListener = DeviceEventEmitter.addListener('remoteNotificationsRegistered', listener);
  }

  static clearRegistrationTokenUpdateListener() {
    if (registrationTokenUpdateListener) {
      registrationTokenUpdateListener.remove();
      registrationTokenUpdateListener = null;
    }
  }

  static async isRegisteredForRemoteNotifications() {
    return await RNNotifications.isRegisteredForRemoteNotifications();
  }

  static refreshToken() {
    RNNotifications.refreshToken();
  }

  static localNotification(notification: Object) {
    const id = Math.random() * 100000000 | 0; // Bitwise-OR forces value onto a 32bit limit
    RNNotifications.postLocalNotification(notification, id);
    return id;
  }

  static cancelLocalNotification(id) {
    RNNotifications.cancelLocalNotification(id);
  }
}

export class PendingNotifications {
  static getInitialNotification() {
    return RNNotifications.getInitialNotification()
      .then((rawNotification) => {
        return rawNotification ? new NotificationAndroid(rawNotification) : undefined;
      });
  }
}