import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:motorcycle_dash/features/entitlements/widgets/pro_lock_badge.dart';
import 'package:motorcycle_dash/features/rides/ride_state_machine.dart';
import 'package:motorcycle_dash/services/entitlements/feature_access_service.dart';

/// Regression for Issue #52 / BUG-005 follow-up: the "Forensic CSV & PDF Export" Pro
/// upsell sheet showed "BOTTOM OVERFLOWED BY 90 PIXELS" in landscape on a Pixel 8a
/// (~914x411 dp) because showProUpgradeSheet built a non-scrolling Column inside a default
/// modal bottom sheet, which Flutter caps at 9/16 of the screen height.
class _FakeRideStateMachine extends StateNotifier<RideSession>
    implements RideStateMachine {
  _FakeRideStateMachine(super.initialState);

  @override
  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
}

Future<void> _pumpHost(
  WidgetTester tester, {
  required Size viewport,
  double textScale = 1.0,
}) async {
  await tester.binding.setSurfaceSize(viewport);
  addTearDown(() => tester.binding.setSurfaceSize(null));

  await tester.pumpWidget(
    ProviderScope(
      overrides: [
        rideStateMachineProvider.overrideWith(
          (ref) => _FakeRideStateMachine(RideSession(state: RideState.idle)),
        ),
      ],
      child: MediaQuery(
        data: MediaQueryData(
          size: viewport,
          textScaler: TextScaler.linear(textScale),
        ),
        child: MaterialApp(
          home: Scaffold(
            body: Consumer(
              builder: (context, ref, _) => ElevatedButton(
                onPressed: () => showProUpgradeSheet(
                  context,
                  ref,
                  feature: MotorSignalFeature.csvExport,
                ),
                child: const Text('Open upsell'),
              ),
            ),
          ),
        ),
      ),
    ),
  );
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  for (final viewport in const [
    Size(914, 411), // Pixel 8a landscape
    Size(800, 360),
    Size(780, 360),
  ]) {
    for (final scale in const [1.0, 1.3]) {
      testWidgets(
        'Pro upgrade sheet has no bottom overflow in landscape '
        '${viewport.width.toInt()}x${viewport.height.toInt()} (text scale $scale)',
        (tester) async {
          await _pumpHost(tester, viewport: viewport, textScale: scale);

          await tester.tap(find.text('Open upsell'));
          await tester.pumpAndSettle();

          expect(find.text('Forensic CSV & PDF Export'), findsOneWidget);
          expect(find.text('VIEW MOTORSIGNAL PRO'), findsOneWidget);
          expect(find.text('NOT NOW'), findsOneWidget);
          // No RenderFlex overflow exception.
          expect(tester.takeException(), isNull);
        },
      );
    }
  }

  testWidgets('NOT NOW is reachable and dismisses the sheet in landscape', (
    tester,
  ) async {
    await _pumpHost(tester, viewport: const Size(800, 360), textScale: 1.3);

    await tester.tap(find.text('Open upsell'));
    await tester.pumpAndSettle();
    await tester.ensureVisible(find.text('NOT NOW'));
    await tester.tap(find.text('NOT NOW'));
    await tester.pumpAndSettle();

    expect(find.text('VIEW MOTORSIGNAL PRO'), findsNothing);
    expect(tester.takeException(), isNull);
  });
}