import 'package:shared_preferences/shared_preferences.dart';

class PreferencesHelper {
  final Future<SharedPreferences> _prefs = SharedPreferences.getInstance();

  Future<void> setString(String key, String value) async {
    final prefs = await _prefs;
    await prefs.setString(key, value);
  }

  Future<String?> getString(String key) async {
    final prefs = await _prefs;
    return prefs.getString(key);
  }

  Future<void> remove(String key) async {
    final prefs = await _prefs;
    await prefs.remove(key);
  }

  Future<void> saveUserId(String userId) async {
    await setString('user_id', userId);
  }

  Future<String?> getUserId() async {
    return await getString('user_id');
  }

  Future<void> saveUserName(String userName) async {
    await setString('user_name', userName);
  }

  Future<String?> getUserName() async {
    return await getString('user_name');
  }

  Future<void> saveUserLastName(String userLastName) async {
    await setString('user_last_name', userLastName);
  }

  Future<String?> getUserLastName() async {
    return await getString('user_last_name');
  }

  Future<void> clearUserInfo() async {
    await remove('user_id');
    await remove('user_name');
    await remove('user_last_name');
  }
}