import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/pages/discover/widgets/cover_carousel.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('should_turn_cube_and_keep_title_on_poster_when_carousel_pages', (tester) async {
    await tester.pumpWidget(
      MaterialApp(
        home: Scaffold(
          body: CoverCarousel(
            items: [
              for (final title in ['The Signal', 'City Lights', 'Vengeance'])
                CoverItem(
                  title: title,
                  subtitle: 'Mock',
                  image: '/files/poster.png',
                  onOpen: _noop,
                ),
            ],
          ),
        ),
      ),
    );
    await tester.pump();

    expect(find.text('The Signal'), findsOneWidget);
    expect(find.text('Mock'), findsOneWidget);

    final box = tester.getRect(find.byType(CoverCarousel));
    final gesture = await tester.startGesture(Offset(box.right - 40, box.center.dy));
    await gesture.moveBy(const Offset(-500, 0));
    await tester.pump();

    final turned = tester.widgetList<Transform>(find.byType(Transform)).any(
      (transform) => (transform.transform.entry(0, 0) - 1).abs() > 0.15,
    );
    expect(turned, isTrue);

    await gesture.moveBy(const Offset(-200, 0));
    await gesture.up();
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 450));

    expect(find.text('City Lights'), findsOneWidget);
    expect(tester.takeException(), isNull);
  });
}

void _noop() {}