import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:kooltab2/services/admin_pin_service.dart';
import 'package:mocktail/mocktail.dart';

class MockFlutterSecureStorage extends Mock implements FlutterSecureStorage {}

void main() {
  late AdminPinService service;
  late MockFlutterSecureStorage mockStorage;

  setUp(() {
    mockStorage = MockFlutterSecureStorage();
    service = AdminPinService(storage: mockStorage);
  });

  test('uses separate secure-storage keys for the admin PIN', () async {
    when(
      () => mockStorage.write(
        key: any(named: 'key'),
        value: any(named: 'value'),
      ),
    ).thenAnswer((_) async {});

    await service.setPin('1234');

    verify(
      () => mockStorage.write(
        key: 'admin_pin_salt',
        value: any(named: 'value'),
      ),
    ).called(1);
    verify(
      () => mockStorage.write(
        key: 'admin_pin_hash',
        value: any(named: 'value'),
      ),
    ).called(1);
    verifyNever(
      () => mockStorage.write(
        key: 'pin_salt',
        value: any(named: 'value'),
      ),
    );
    verifyNever(
      () => mockStorage.write(
        key: 'pin_hash',
        value: any(named: 'value'),
      ),
    );
  });
}