import 'dart:developer';

import 'package:dartz/dartz.dart';
import 'package:data_channel/data_channel.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:injectable/injectable.dart';

import '../../../common/api/api_client.dart';
import '../../../common/api/api_failure.dart';
import '../../../common/function/app_function.dart';
import '../../../common/url/api_path.dart';
import '../../../domain/wallet/wallet.dart';
import '../wallet_response.dart';

@injectable
class DeviceLocalDataProvider {
  final FlutterSecureStorage _storage;

  static const _deviceIdKey = 'device_id';
  static const _registeredKey = 'device_registered';

  DeviceLocalDataProvider(this._storage);

  /// ID unik & stabil per instalasi; dibuat sekali lalu disimpan.
  Future<String> deviceId() async {
    final saved = await _storage.read(key: _deviceIdKey);
    if (saved != null && saved.isNotEmpty) return saved;

    final created = generateUuidV4();
    await _storage.write(key: _deviceIdKey, value: created);
    return created;
  }

  Future<bool> isRegistered() async =>
      await _storage.read(key: _registeredKey) == 'true';

  Future<void> setRegistered(bool value) =>
      _storage.write(key: _registeredKey, value: value.toString());
}

@injectable
class DeviceRemoteDataProvider {
  final ApiClient _apiClient;
  final String _logName = 'DeviceRemoteDataProvider';

  DeviceRemoteDataProvider(this._apiClient);

  Future<DC<WalletFailure, Unit>> register({
    required String deviceId,
    required String fcmToken,
    required String platform,
    required String appVersion,
  }) async {
    try {
      final response = await _apiClient.put(
        ApiPath.devices,
        headers: getAuthorizationHeader(),
        data: {
          'device_id': deviceId,
          'fcm_token': fcmToken,
          'platform': platform,
          'app_version': appVersion,
        },
      );
      final failure = parseWalletFailure(response);
      if (failure != null) return DC.error(failure);
      return DC.data(unit);
    } on ApiFailure catch (e, s) {
      log('register', name: _logName, error: e, stackTrace: s);
      return DC.error(WalletFailure.serverError(e));
    }
  }

  Future<DC<WalletFailure, Unit>> unregister({required String deviceId}) async {
    try {
      final response = await _apiClient.delete(
        '${ApiPath.devices}/$deviceId',
        headers: getAuthorizationHeader(),
      );
      final failure = parseWalletFailure(response);
      if (failure != null) return DC.error(failure);
      return DC.data(unit);
    } on ApiFailure catch (e, s) {
      log('unregister', name: _logName, error: e, stackTrace: s);
      return DC.error(WalletFailure.serverError(e));
    }
  }
}