import 'package:bible_tracker/screens/home_screen.dart';
import 'package:bible_tracker/services/tracker_service.dart';
import 'package:bible_tracker/services/tracker_storage.dart';
import 'package:bible_tracker/widgets/theme.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

Future<Widget> _wrapped() async {
  SharedPreferences.setMockInitialValues(<String, Object>{});
  final prefs = await SharedPreferences.getInstance();
  return ProviderScope(
    overrides: <Override>[sharedPreferencesProvider.overrideWithValue(prefs)],
    child: MaterialApp(theme: AppTheme.light(), home: const HomeScreen()),
  );
}

void main() {
  testWidgets('shows empty state when no trackers exist', (tester) async {
    await tester.pumpWidget(await _wrapped());
    await tester.pumpAndSettle();
    expect(find.text('Start your first tracker'), findsOneWidget);
    expect(find.text('New Tracker'), findsOneWidget);
  });

  testWidgets('creating a tracker shows it on the list', (tester) async {
    await tester.pumpWidget(await _wrapped());
    await tester.pumpAndSettle();

    final ProviderScope scope = tester.widget<ProviderScope>(
      find.byType(ProviderScope),
    );
    expect(scope, isNotNull);

    final BuildContext context = tester.element(find.byType(HomeScreen));
    final ProviderContainer container = ProviderScope.containerOf(context);
    await container
        .read(trackerServiceProvider.notifier)
        .create(name: 'My Plan', color: const Color(0xFF3F51B5));
    await tester.pumpAndSettle();

    expect(find.text('My Plan'), findsOneWidget);
    expect(find.text('0%'), findsOneWidget);
  });
}