import 'package:flutter/foundation.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';

class AuthService extends ChangeNotifier {
  final _storage = const FlutterSecureStorage();
  bool _isAuthenticated = false;
  Map<String, String> _credentials = {};

  bool get isAuthenticated => _isAuthenticated;
  Map<String, String> get credentials => _credentials;

  Future<void> saveCredentials(String platform, String cookie) async {
    await _storage.write(key: 'cookie_$platform', value: cookie);
    _credentials[platform] = cookie;
    _isAuthenticated = true;
    notifyListeners();
  }

  Future<void> loadCredentials() async {
    final leetcodeCookie = await _storage.read(key: 'cookie_leetcode');
    if (leetcodeCookie != null) {
      _credentials['leetcode'] = leetcodeCookie;
      _isAuthenticated = true;
      notifyListeners();
    }
  }

  Future<void> logout() async {
    await _storage.deleteAll();
    _credentials.clear();
    _isAuthenticated = false;
    notifyListeners();
  }
}