import 'package:local_auth/local_auth.dart';
import 'package:shared_preferences/shared_preferences.dart';

class AuthService {
  final LocalAuthentication _localAuth = LocalAuthentication();

  Future<bool> authenticateWithBiometrics() async {
    try {
      bool canCheckBiometrics = await _localAuth.canCheckBiometrics;
      bool isDeviceSupported = await _localAuth.isDeviceSupported();

      if (canCheckBiometrics && isDeviceSupported) {
        bool authenticated = await _localAuth.authenticate(
          localizedReason: 'Scan your fingerprint to authenticate',
        );
        return authenticated;
      } else {
        return false;
      }
    } catch (e) {
      return false;
    }
  }

  Future<void> saveBiometricEnableKey(status) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool('biometricStatus', status);
  }

  Future<void> saveSkipStatus(status) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt('skipStatus', status);
  }

  Future<void> savePin(String pin) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString('user_pin', pin);
  }

  Future<String?> getPin() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    return prefs.getString('user_pin');
  }

  Future<void> clearPin() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.remove('user_pin');
  }
}