import 'package:flutter_test/flutter_test.dart';
import 'package:myapp/main.dart';
import 'package:myapp/models/bank.dart';
import 'package:myapp/services/storage_service.dart';
import 'package:myapp/utils/constants.dart';
import 'package:myapp/utils/helpers.dart';
import 'package:shared_preferences/shared_preferences.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  Future<void> pumpApp(WidgetTester tester) async {
    SharedPreferences.setMockInitialValues({});
    final storage = StorageService();
    await storage.init();
    await tester.pumpWidget(MyApp(storage: storage));
  }

  testWidgets('splash shows the app name then opens Balance', (tester) async {
    await pumpApp(tester);

    expect(find.text(kAppName), findsWidgets);

    await tester.pump(kSplashDuration);
    await tester.pump(const Duration(milliseconds: 450));
    await tester.pump(const Duration(milliseconds: 350));

    expect(find.text('Balance'), findsWidgets);
    expect(find.text('Transactions'), findsOneWidget);
    expect(find.text('Settings'), findsOneWidget);
  });

  test('ConnectStart.fromJson maps authUrl and state', () {
    final start = ConnectStart.fromJson({
      'authUrl': 'https://example.test/auth',
      'state': 'abc',
    });
    expect(start.authUrl, 'https://example.test/auth');
    expect(start.state, 'abc');
  });

  test('BankTransaction.fromJson maps API fields', () {
    final tx = BankTransaction.fromJson({
      'date': '2026-09-01',
      'description': 'Coffee',
      'amount': -3.5,
      'currency': 'EUR',
      'pending': false,
    });
    expect(tx.description, 'Coffee');
    expect(tx.amount, -3.5);
    expect(formatMoney(tx.amount, tx.currency), contains('EUR'));
  });
}