import 'dart:io';

import 'package:flutter_apns/flutter_apns.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart'
    hide Message;
import 'package:stream_chat_flutter/stream_chat_flutter.dart';

void showLocalNotification(Message message, ChannelModel channel) async {
  final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
  final initializationSettingsAndroid =
      AndroidInitializationSettings('launch_background');
  final initializationSettingsIOS = IOSInitializationSettings();
  final initializationSettings = InitializationSettings(
    android: initializationSettingsAndroid,
    iOS: initializationSettingsIOS,
  );
  await flutterLocalNotificationsPlugin.initialize(initializationSettings);
  await flutterLocalNotificationsPlugin.show(
    message.id.hashCode,
    '${message.user.name} @ ${channel.name}',
    message.text,
    NotificationDetails(
      android: AndroidNotificationDetails(
        'message channel',
        'Message channel',
        'Channel used for showing messages',
        priority: Priority.high,
        importance: Importance.high,
      ),
      iOS: IOSNotificationDetails(),
    ),
  );
}

Future backgroundHandler(Map<String, dynamic> notification) async {
  print('new notification ${notification}');
  final messageId = notification['data']['id'];

  final notificationData =
      await NotificationService.getAndStoreMessage(messageId);

  showLocalNotification(
    notificationData.message,
    notificationData.channel,
  );
}

void initNotifications(Client client) {
  final connector = createPushConnector();
  connector.configure(
    onBackgroundMessage: backgroundHandler,
  );

  connector.requestNotificationPermissions();
  connector.token.addListener(() {
    if (connector.token.value != null) {
      client.addDevice(
        connector.token.value,
        Platform.isAndroid ? 'firebase' : 'apn',
      );
    }
  });
}