import 'package:flutter_test/flutter_test.dart';
import 'package:myapp/main.dart';
import 'package:myapp/models/item.dart';
import 'package:myapp/services/item_repository.dart';
import 'package:myapp/services/storage_service.dart';
import 'package:myapp/utils/constants.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,
        repository: ItemRepository(),
      ),
    );
  }

  testWidgets('splash shows the app name then opens Home', (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('Home'), findsWidgets);
    expect(find.text('Featured items'), findsOneWidget);
    expect(find.text('Search'), findsOneWidget);
    expect(find.text('Profile'), findsOneWidget);
    expect(find.text('Settings'), findsOneWidget);
  });

  testWidgets('tapping a list card opens the detail screen', (tester) async {
    await pumpApp(tester);
    await tester.pump(kSplashDuration);
    await tester.pump(const Duration(milliseconds: 450));
    await tester.pump(const Duration(milliseconds: 350));

    await tester.tap(find.text('Material 3 surfaces'));
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 400));

    expect(find.text('Details'), findsOneWidget);
    expect(find.text('Back to list'), findsOneWidget);
  });

  test('Item.fromJson maps a JSONPlaceholder post', () {
    final item = Item.fromJson({
      'id': 3,
      'title': 'hello world',
      'body': 'First sentence. Second sentence.',
    });

    expect(item.id, 'remote-3');
    expect(item.title, 'Hello world');
    expect(item.subtitle, 'First sentence.');
    expect(item.category, ItemCategory.lifestyle);
  });
}