import 'dart:developer';
import 'dart:io';

import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:eatvio_app/core/locator_service.dart';
import 'package:eatvio_app/core/token_storage.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:huawei_push/huawei_push.dart';

class FirebaseApi {
  final _firebaseMessaging = FirebaseMessaging.instance;

  Future<String?> getToken() async {
    await _firebaseMessaging.requestPermission();

    String? token = await _firebaseMessaging.getToken();

    if (token == null && Platform.isAndroid) {
      final isHuawei = await _isHuaweiDevice();
      if (isHuawei) {
        token = await _getHuaweiPushToken();
      }
    }

    return token;
  }

  Future<void> registerAnonymousPushToken() async {
    try {
      final deviceInfo = DeviceInfoPlugin();
      await sl<Dio>().post(
        '/api/anonymous_token',
        data: {
          'platform': Platform.isIOS ? 'ios' : 'android',
          'hw_id': Platform.isIOS ? (await deviceInfo.iosInfo).identifierForVendor : (await deviceInfo.androidInfo).id,
          'token': await getToken(),
        },
      );
    } catch (e, st) {
      log(e.toString(), stackTrace: st);
    }
  }

  Future<void> registerPushToken() async {
    if (await TokenStorage.haveTokenInStorage()) {
      try {
        final deviceInfo = DeviceInfoPlugin();
        await sl<Dio>().post(
          '/api/profile/notification/token/register',
          data: {
            'platform': Platform.isIOS ? 'ios' : 'android',
            'hw_id': Platform.isIOS ? (await deviceInfo.iosInfo).identifierForVendor : (await deviceInfo.androidInfo).id,
            'token': await getToken(),
          },
        );
      } catch (e, st) {
        log(e.toString(), stackTrace: st);
      }
    }
  }

  Future<bool> _isHuaweiDevice() async {
    if (!Platform.isAndroid) return false;
    try {
      final android = await DeviceInfoPlugin().androidInfo;
      final brand = android.brand.toLowerCase();
      final manufacturer = android.manufacturer.toLowerCase();
      return brand.contains('huawei') || manufacturer.contains('huawei') || brand.contains('honor') || manufacturer.contains('honor');
    } catch (_) {
      return false;
    }
  }

  Future<String?> _getHuaweiPushToken() async {
    try {
      await Push.turnOnPush();

      String? resolvedToken;
      final sub = Push.getTokenStream.listen((t) => resolvedToken ??= t, onError: (_) {});

      Push.getToken('');

      final started = DateTime.now();
      while (resolvedToken == null && DateTime.now().difference(started).inSeconds < 5) {
        await Future<void>.delayed(const Duration(milliseconds: 100));
      }

      await sub.cancel();
      return resolvedToken;
    } catch (e, st) {
      log('Huawei Push token error: $e', stackTrace: st);
      return null;
    }
  }
}