import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:mileograph_flutter/components/pages/legs.dart';
import 'package:mileograph_flutter/services/distance_unit_service.dart';

import '../helpers/fake_services.dart';
import '../helpers/test_app.dart';
import '../helpers/test_data.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  setUpAll(() {
    SharedPreferences.setMockInitialValues({});
  });

  testWidgets('Entries page shows legs and mileage summary', (tester) async {
    final data = FakeDataService()..legsValue = TestData.legs;
    final auth = FakeAuthService(api: FakeApiService());
    final distanceUnits = FakeDistanceUnitService(
      unitOverride: DistanceUnit.milesDecimal,
    );

    await tester.pumpWidget(
      buildTestApp(
        child: const LegsPage(),
        dataService: data,
        authService: auth,
        distanceUnitService: distanceUnits,
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('Entries'), findsOneWidget);
    expect(find.text('Page mileage'), findsOneWidget);
    expect(find.textContaining('mi'), findsWidgets);
    expect(find.text('London'), findsOneWidget);
    expect(find.text('Oxford'), findsOneWidget);
  });

  testWidgets('Entries page shows empty state', (tester) async {
    final data = FakeDataService()
      ..legsValue = []
      ..isLegsLoadingValue = false;
    final auth = FakeAuthService(api: FakeApiService());

    await tester.pumpWidget(
      buildTestApp(
        child: const LegsPage(),
        dataService: data,
        authService: auth,
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('No entries found'), findsOneWidget);
    expect(find.text('Adjust the filters or add a new leg.'), findsOneWidget);
  });
}