import 'package:cyberhybridhub/models/app_user.dart';
import 'package:cyberhybridhub/models/guess_score_summary.dart';
import 'package:cyberhybridhub/screens/home_screen.dart';
import 'package:cyberhybridhub/services/questions_hub_service.dart';
import 'package:cyberhybridhub/theme/app_theme.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('top bar score chip opens statistics dialog', (
    WidgetTester tester,
  ) async {
    final QuestionsHubService hub = QuestionsHubService.instance;
    hub.hasPendingQuestion.value = false;
    hub.pendingQuestionCount.value = 0;
    hub.guessScoreSummary.value = GuessScoreSummary(
      total: 3.5,
      answersTotal: 4,
      answersCorrect: 3,
      percentCorrect: 75,
      slotStart: DateTime.utc(2026, 5, 26, 13, 30),
      newerSlotStart: DateTime.utc(2026, 5, 26, 16, 45),
    );

    addTearDown(() {
      hub.hasPendingQuestion.value = false;
      hub.pendingQuestionCount.value = 0;
      hub.guessScoreSummary.value = GuessScoreSummary.empty;
    });

    await tester.pumpWidget(
      MaterialApp(
        theme: buildAppTheme(),
        home: const HomeScreen(
          user: AppUser(uid: 'u1', displayName: 'Test User'),
        ),
      ),
    );

    expect(find.byKey(const Key('topbar-cumulative-score')), findsOneWidget);
    expect(find.text('Score: 3.50'), findsOneWidget);

    await tester.tap(find.byKey(const Key('topbar-cumulative-score')));
    await tester.pumpAndSettle();

    expect(find.byKey(const Key('guess-score-stats-dialog')), findsOneWidget);
    expect(find.text('Score statistics'), findsOneWidget);
    expect(find.byKey(const Key('guess-score-slot-row')), findsOneWidget);
    expect(find.text('Time slot'), findsOneWidget);
    expect(find.text('05/26 13:30 – 05/26 16:45 UTC'), findsOneWidget);
    expect(find.text('Questions answered'), findsOneWidget);
    expect(find.text('4'), findsOneWidget);
    expect(find.text('Percent correct'), findsOneWidget);
    expect(find.text('75%'), findsOneWidget);
  });

  testWidgets('score statistics reset shows confirmation dialog', (
    WidgetTester tester,
  ) async {
    final QuestionsHubService hub = QuestionsHubService.instance;
    hub.guessScoreSummary.value = const GuessScoreSummary(
      total: 5,
      answersTotal: 2,
      answersCorrect: 1,
      percentCorrect: 50,
    );

    addTearDown(() {
      hub.guessScoreSummary.value = GuessScoreSummary.empty;
    });

    await tester.pumpWidget(
      MaterialApp(
        theme: buildAppTheme(),
        home: const HomeScreen(
          user: AppUser(uid: 'u1', displayName: 'Test User'),
        ),
      ),
    );

    await tester.tap(find.byKey(const Key('topbar-cumulative-score')));
    await tester.pumpAndSettle();

    await tester.tap(find.byKey(const Key('guess-score-reset-button')));
    await tester.pumpAndSettle();

    expect(
      find.byKey(const Key('guess-score-reset-confirm-dialog')),
      findsOneWidget,
    );

    await tester.tap(find.text('Cancel'));
    await tester.pumpAndSettle();

    expect(
      find.byKey(const Key('guess-score-reset-confirm-dialog')),
      findsNothing,
    );
    expect(find.byKey(const Key('guess-score-stats-dialog')), findsOneWidget);
  });
}