import 'dart:convert';

import 'package:flutter_test/flutter_test.dart';
import 'package:ignis_app/models/home_config.dart';
import 'package:ignis_app/services/credentials_storage.dart';
import 'package:ignis_app/services/settings_service.dart';
import 'package:shared_preferences/shared_preferences.dart';

class InMemoryCredentialsStorage implements CredentialsStorage {
  final Map<String, String> _apiKeys = {};

  @override
  Future<String?> getApiKey(String homeId) async => _apiKeys[homeId];

  @override
  Future<void> setApiKey(String homeId, String apiKey) async {
    _apiKeys[homeId] = apiKey;
  }

  @override
  Future<void> deleteApiKey(String homeId) async {
    _apiKeys.remove(homeId);
  }
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  test(
    'migrates legacy apiKey from SharedPreferences to credentials storage',
    () async {
      final legacyHomes = [
        {
          'id': 'home-1',
          'name': 'Квартира',
          'url': 'ignis.akokos.ru',
          'apiKey': 'secret-key',
          'geofenceEnabled': false,
        },
      ];
      SharedPreferences.setMockInitialValues({
        'ignis_homes': jsonEncode(legacyHomes),
      });

      final credentials = InMemoryCredentialsStorage();
      final service = SettingsService(credentialsStorage: credentials);

      final homes = await service.getHomes();

      expect(homes, hasLength(1));
      expect(homes.single.id, 'home-1');
      expect(await service.getHomeApiKey('home-1'), 'secret-key');

      final prefs = await SharedPreferences.getInstance();
      final storedHomes =
          jsonDecode(prefs.getString('ignis_homes')!) as List<dynamic>;
      expect(storedHomes.single, isNot(containsPair('apiKey', 'secret-key')));
    },
  );

  test('stores new api keys outside serialized homes', () async {
    SharedPreferences.setMockInitialValues({});

    final service = SettingsService(
      credentialsStorage: InMemoryCredentialsStorage(),
    );
    final home = HomeConfig(
      id: 'home-1',
      name: 'Квартира',
      url: 'https://ignis.akokos.ru',
    );

    await service.upsertHome(home, apiKey: 'secret-key');

    expect(await service.getHomeApiKey('home-1'), 'secret-key');

    final prefs = await SharedPreferences.getInstance();
    final storedHomes =
        jsonDecode(prefs.getString('ignis_homes')!) as List<dynamic>;
    expect(storedHomes.single, isNot(contains('apiKey')));
  });
}