import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:motorcycle_dash/core/theme/theme_extensions.dart';
import 'package:motorcycle_dash/features/social/clubs/widgets/club_monogram.dart';

void main() {
  group('ClubMonogram Algorithm Tests', () {
    test('handles empty or whitespace strings', () {
      expect(ClubMonogram.getMonogram(''), equals('C'));
      expect(ClubMonogram.getMonogram('   '), equals('C'));
    });

    test('handles single word club names', () {
      expect(ClubMonogram.getMonogram('Ducati'), equals('DU'));
      expect(ClubMonogram.getMonogram('moto'), equals('MO'));
      expect(ClubMonogram.getMonogram('X'), equals('X'));
      expect(ClubMonogram.getMonogram('Yamaha'), equals('YA'));
    });

    test('handles multi-word club names', () {
      expect(ClubMonogram.getMonogram('Blue Ridge'), equals('BR'));
      expect(ClubMonogram.getMonogram('Bay Area Riders'), equals('BA'));
      expect(ClubMonogram.getMonogram('norcal adventure group'), equals('NA'));
      expect(ClubMonogram.getMonogram('  Pacific   Coast  '), equals('PC'));
    });

    test('handles numeric and special character names', () {
      expect(ClubMonogram.getMonogram('99 Problems'), equals('9P'));
      expect(ClubMonogram.getMonogram('1000cc Club'), equals('1C'));
    });

    test('handles emojis and pictographs safely without splitting grapheme clusters', () {
      expect(ClubMonogram.getMonogram('🏍️'), equals('🏍️'));
      expect(ClubMonogram.getMonogram('🏍️ NorCal Riders'), equals('🏍️N'));
      expect(ClubMonogram.getMonogram('🔥 Motos'), equals('🔥M'));
    });

    test('handles non-Latin scripts and CJK characters', () {
      expect(ClubMonogram.getMonogram('東京 Motos'), equals('東M'));
      expect(ClubMonogram.getMonogram('東京'), equals('東京'));
      expect(ClubMonogram.getMonogram('Москва Riders'), equals('МR'));
    });

    test('strips leading punctuation to find meaningful monogram letters', () {
      expect(ClubMonogram.getMonogram('---NorCal---'), equals('NO'));
      expect(ClubMonogram.getMonogram('---NorCal--- Riders'), equals('NR'));
      expect(ClubMonogram.getMonogram('@NorCal #Riders'), equals('NR'));
      expect(ClubMonogram.getMonogram('---'), equals('--'));
    });
  });

  group('ClubMonogram Widget Tests', () {
    testWidgets('renders monogram and semantics properly', (tester) async {
      await tester.pumpWidget(
        MaterialApp(
          theme: ThemeData.dark().copyWith(
            extensions: [MotorSignalThemeColors.dark],
          ),
          home: const Scaffold(
            body: Center(
              child: ClubMonogram(
                name: 'Ridge Runners',
                size: 50,
              ),
            ),
          ),
        ),
      );

      expect(find.text('RR'), findsOneWidget);
      expect(
        find.byWidgetPredicate(
          (w) => w is Semantics && w.properties.label == 'Club monogram for Ridge Runners',
        ),
        findsOneWidget,
      );
    });
  });
}