import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:motorcycle_dash/core/theme/theme_extensions.dart';
import 'package:motorcycle_dash/features/social/feed/social_feed_screen.dart';
import 'package:motorcycle_dash/features/social/feed/widgets/feed_comments_bottom_sheet.dart';
import 'package:motorcycle_dash/features/social/feed/widgets/share_session_modal.dart';
import 'package:motorcycle_dash/features/social/social_hub_screen.dart';
import 'package:motorcycle_dash/services/map/map_provider_interface.dart';
import 'package:motorcycle_dash/services/social/social_feed_models.dart';
import 'package:motorcycle_dash/services/social/social_feed_providers.dart';
import 'package:motorcycle_dash/services/social/social_feed_service.dart';

Widget _createTestApp({required Widget child, List<Override> overrides = const []}) {
  return ProviderScope(
    overrides: overrides,
    child: MaterialApp(
      theme: ThemeData.dark().copyWith(
        extensions: const [
          MotorSignalThemeColors.dark,
        ],
      ),
      home: Scaffold(body: child),
    ),
  );
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('SocialFeed Models Unit Tests', () {
    test('FeedFilter display names', () {
      expect(FeedFilter.allActivity.displayName, 'All Activity');
      expect(FeedFilter.clubOnly.displayName, 'Club Only');
      expect(FeedFilter.nearbyPacks.displayName, 'Nearby Packs');
    });

    test('FeedPostComment toJson and fromJson roundtrip', () {
      final comment = FeedPostComment(
        id: 'c123',
        authorUid: 'uid_test',
        authorDisplayName: 'Test Rider',
        authorHandle: 'testrider',
        content: 'Great pace through section 2!',
        createdAt: DateTime(2026, 9, 29, 10, 0),
      );

      final json = comment.toJson();
      expect(json['id'], 'c123');
      expect(json['authorUid'], 'uid_test');
      expect(json['content'], 'Great pace through section 2!');

      final parsed = FeedPostComment.fromJson({
        'id': 'c123',
        'authorUid': 'uid_test',
        'authorDisplayName': 'Test Rider',
        'authorHandle': 'testrider',
        'content': 'Great pace through section 2!',
        'createdAt': '2026-09-29T10:00:00.000',
      });

      expect(parsed.id, 'c123');
      expect(parsed.authorDisplayName, 'Test Rider');
      expect(parsed.content, 'Great pace through section 2!');
    });

    test('SocialFeedItem serialization and copyWith', () {
      final item = SocialFeedItem(
        id: 'feed_1',
        authorUid: 'uid_1',
        authorDisplayName: 'Apex Marcus',
        authorHandle: 'ApexMarcus',
        authorBadge: 'PRO',
        clubName: 'Bay Area Twisties Club',
        locationName: "Alice's Restaurant",
        timestamp: DateTime(2026, 9, 29, 12, 0),
        rideTitle: 'Sunday Skyline Carve',
        bikeModel: '2024 Ducati Streetfighter V4',
        distanceMiles: 68.4,
        durationSeconds: 4440,
        maxLeanAngleDeg: 51.0,
        maxLeanSide: 'RIGHT',
        paceFactor: '1.32x Spirited',
        hazardCount: 0,
        elevationFt: 2140,
        snapshotType: FeedSnapshotType.routeTrack,
        routePoints: const [AppLatLng(37.38, -122.26)],
        fistBumpCount: 42,
        fistBumpUserIds: const ['uid_other'],
        comments: const [],
      );

      expect(item.isFistBumpedBy('uid_other'), isTrue);
      expect(item.isFistBumpedBy('uid_nonexistent'), isFalse);

      final updated = item.copyWith(fistBumpCount: 43);
      expect(updated.fistBumpCount, 43);
      expect(updated.id, 'feed_1');

      final json = item.toJson();
      expect(json['id'], 'feed_1');
      expect(json['authorHandle'], 'ApexMarcus');
      expect(json['distanceMiles'], 68.4);
      expect(json['maxLeanAngleDeg'], 51.0);
    });
  });

  group('SocialFeedService Unit Tests', () {
    late SocialFeedService service;

    setUp(() {
      service = SocialFeedService();
    });

    tearDown(() {
      service.dispose();
    });

    test('Initializes with default canonical items', () async {
      final stream = service.getFeedStream(filter: FeedFilter.allActivity);
      final items = await stream.first;
      expect(items.length, greaterThanOrEqualTo(3));
      expect(items.first.authorHandle, 'ApexMarcus');
    });

    test('Filters feed by clubOnly and nearbyPacks', () async {
      final clubStream = service.getFeedStream(
        filter: FeedFilter.clubOnly,
        userClubName: 'Pacific Coast Riders',
      );
      final clubItems = await clubStream.first;
      expect(clubItems.every((i) => i.clubName == 'Pacific Coast Riders'), isTrue);

      final nearbyStream = service.getFeedStream(filter: FeedFilter.nearbyPacks);
      final nearbyItems = await nearbyStream.first;
      expect(nearbyItems.every((i) => i.distanceMiles < 60.0), isTrue);
    });

    test('Toggles fist bump reaction', () async {
      final itemsBefore = await service.getFeedStream().first;
      final target = itemsBefore.first;
      final initialCount = target.fistBumpCount;

      // Bump
      await service.toggleFistBump(postId: target.id, userUid: 'test_rider_uid');
      final itemsAfterBump = await service.getFeedStream().first;
      final bumpedItem = itemsAfterBump.firstWhere((i) => i.id == target.id);
      expect(bumpedItem.fistBumpCount, initialCount + 1);
      expect(bumpedItem.isFistBumpedBy('test_rider_uid'), isTrue);

      // Unbump
      await service.toggleFistBump(postId: target.id, userUid: 'test_rider_uid');
      final itemsAfterUnbump = await service.getFeedStream().first;
      final unbumpedItem = itemsAfterUnbump.firstWhere((i) => i.id == target.id);
      expect(unbumpedItem.fistBumpCount, initialCount);
      expect(unbumpedItem.isFistBumpedBy('test_rider_uid'), isFalse);
    });

    test('Adds comment to post', () async {
      final comment = FeedPostComment(
        id: 'new_c',
        authorUid: 'uid_test',
        authorDisplayName: 'Dave S',
        content: 'Clean line through section 2!',
        createdAt: DateTime.now(),
      );

      await service.addComment(postId: 'feed_post_1', comment: comment);
      final items = await service.getFeedStream().first;
      final post = items.firstWhere((i) => i.id == 'feed_post_1');
      expect(post.comments.any((c) => c.content == 'Clean line through section 2!'), isTrue);
    });

    test('Shares recent ride to community feed', () async {
      final newPost = await service.shareRecentRide(
        authorUid: 'uid_author',
        authorDisplayName: 'Marcus Vance',
        authorHandle: 'ApexMarcus',
        locationName: 'Pescadero Creek',
        rideTitle: 'Late Afternoon Run',
        bikeModel: 'Ducati Panigale V4 S',
        distanceMiles: 38.2,
        durationSeconds: 2100,
        maxLeanAngleDeg: 52.0,
      );

      expect(newPost.rideTitle, 'Late Afternoon Run');
      expect(newPost.bikeModel, 'Ducati Panigale V4 S');

      final items = await service.getFeedStream().first;
      expect(items.first.id, newPost.id);
      expect(items.first.rideTitle, 'Late Afternoon Run');
    });
  });

  group('SocialFeedScreen & Sub-Widgets Widget Tests', () {
    testWidgets('Renders SocialFeedScreen with header pills and tabs', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 800));

      await tester.pumpWidget(
        _createTestApp(
          child: const SocialFeedScreen(),
        ),
      );
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));

      expect(find.text('Community Feed'), findsOneWidget);
      expect(find.text('SQUAD & CANYON FEED'), findsOneWidget);
      expect(find.text('24 ACTIVE'), findsOneWidget);
      expect(find.text('All Activity'), findsOneWidget);
      expect(find.text('Club Only'), findsOneWidget);
      expect(find.text('Nearby Packs'), findsOneWidget);
      expect(find.text('SHARE RECENT SESSION'), findsOneWidget);

      // Verify Feed item contents
      expect(find.text('@ApexMarcus'), findsOneWidget);
      expect(find.text('Sunday Skyline & Pescadero Carve'), findsOneWidget);
      expect(find.text('2024 Ducati Streetfighter V4'), findsOneWidget);
      expect(find.text('51°'), findsOneWidget);

      // Switch to Club Only tab
      await tester.tap(find.text('Club Only'));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));

      // Switch to Nearby Packs tab
      await tester.tap(find.text('Nearby Packs'));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));
    });

    testWidgets('Tapping Fist Bump updates bump count with scale animation', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 800));

      final service = SocialFeedService();
      await tester.pumpWidget(
        _createTestApp(
          overrides: [
            socialFeedServiceProvider.overrideWithValue(service),
          ],
          child: const SocialFeedScreen(),
        ),
      );
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));

      // Scroll slightly so the card action bar clears the sticky button
      await tester.drag(find.byType(ListView), const Offset(0, -180));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));

      expect(find.text('42 Bumps'), findsOneWidget);

      // Tap fist bump
      await tester.tap(find.byKey(const ValueKey('fist_bump_button_feed_post_1')));
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 200));

      expect(find.text('43 Bumps'), findsOneWidget);
    });

    testWidgets('Comments bottom sheet opens and displays comments', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 800));

      final item = SocialFeedItem(
        id: 'test_item',
        authorUid: 'uid_1',
        authorDisplayName: 'Sarah Chen',
        authorHandle: 'SarahSweep',
        locationName: 'Mulholland Hwy',
        timestamp: DateTime.now(),
        rideTitle: 'The Snake Pace Lap',
        bikeModel: 'Yamaha MT-09 SP',
        distanceMiles: 44.2,
        durationSeconds: 2900,
        maxLeanAngleDeg: 48.0,
        comments: [
          FeedPostComment(
            id: 'c1',
            authorUid: 'uid_2',
            authorDisplayName: 'Marcus Vance',
            authorHandle: 'ApexMarcus',
            content: 'Great line through the esses!',
            createdAt: DateTime.now(),
          ),
        ],
      );

      await tester.pumpWidget(
        _createTestApp(
          child: Builder(
            builder: (context) => ElevatedButton(
              onPressed: () => FeedCommentsBottomSheet.show(context, item),
              child: const Text('Open Comments'),
            ),
          ),
        ),
      );
      await tester.pumpAndSettle();

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

      expect(find.text('Rider Comments'), findsOneWidget);
      expect(find.text('Great line through the esses!'), findsOneWidget);
      expect(find.text('Marcus Vance'), findsOneWidget);
    });

    testWidgets('ShareSessionModal renders and allows form submission', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 900));

      final service = SocialFeedService();
      await tester.pumpWidget(
        _createTestApp(
          overrides: [
            socialFeedServiceProvider.overrideWithValue(service),
          ],
          child: Builder(
            builder: (context) => ElevatedButton(
              onPressed: () => ShareSessionModal.show(context),
              child: const Text('Open Share Modal'),
            ),
          ),
        ),
      );
      await tester.pumpAndSettle();

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

      expect(find.text('Share Recent Session'), findsOneWidget);
      expect(find.text('PUBLISH TO COMMUNITY FEED'), findsOneWidget);

      await tester.tap(find.text('PUBLISH TO COMMUNITY FEED'));
      await tester.pumpAndSettle();

      // Modal closed and snackbar shown
      expect(find.text('Ride session published to Community Feed!'), findsOneWidget);
    });

    testWidgets('SocialHubScreen contains Community Feed card', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 800));

      await tester.pumpWidget(
        _createTestApp(
          child: const SocialHubScreen(),
        ),
      );
      await tester.pumpAndSettle();

      expect(find.byKey(const ValueKey('social_card_feed')), findsOneWidget);
      expect(find.text('Community Feed'), findsOneWidget);
    });

    testWidgets('Tapping INSPECT TELEMETRY GRAPH opens FeedTelemetryInspectorModal', (tester) async {
      await tester.binding.setSurfaceSize(const Size(400, 1000));

      final service = SocialFeedService();
      await tester.pumpWidget(
        _createTestApp(
          overrides: [
            socialFeedServiceProvider.overrideWithValue(service),
          ],
          child: const SocialFeedScreen(),
        ),
      );
      await tester.pump();
      await tester.pump(const Duration(milliseconds: 50));

      // Scroll so the card inspect telemetry button is visible
      await tester.drag(find.byType(ListView), const Offset(0, -100));
      await tester.pumpAndSettle();

      final inspectBtn = find.text('INSPECT TELEMETRY GRAPH');
      expect(inspectBtn, findsWidgets);

      await tester.tap(inspectBtn.first);
      await tester.pumpAndSettle();

      // Verify inspector modal opened with metrics and tabs
      expect(find.text('PEAK LEAN'), findsOneWidget);
      expect(find.text('LEAN & APEX'), findsOneWidget);
      expect(find.text('SPEED & G-FORCE'), findsOneWidget);
      expect(find.text('OPEN FULL RIDE REPLAY'), findsOneWidget);
    });
  });
}