import 'package:block_seasons/data/save_repository.dart';
import 'package:block_seasons/state/providers.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  test('onStagePlayed advances, persists, and surfaces milestones', () async {
    SharedPreferences.setMockInitialValues({});
    final prefs = await SharedPreferences.getInstance();
    final repo = SaveRepository(prefs);
    final container = ProviderContainer(
      overrides: [saveRepositoryProvider.overrideWithValue(repo)],
    );
    addTearDown(container.dispose);

    final notifier = container.read(streakProvider.notifier);
    expect(container.read(streakProvider).current, 0);

    await notifier.onStagePlayed(DateTime(2026, 6, 11));
    await notifier.onStagePlayed(DateTime(2026, 6, 12));
    await notifier.onStagePlayed(DateTime(2026, 6, 13));

    final state = container.read(streakProvider);
    expect(state.current, 3);
    expect(state.hitMilestone, 3);

    // Persisted: a fresh repository over the same prefs sees the streak.
    expect(SaveRepository(prefs).streak.current, 3);

    // Same-day replays neither grow nor re-flag.
    await notifier.onStagePlayed(DateTime(2026, 6, 13, 22));
    expect(container.read(streakProvider).current, 3);
    expect(container.read(streakProvider).hitMilestone, isNull);
  });
}