import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:siro_maps/core/services/vehicle_icon_generator.dart';
import 'package:siro_maps/core/utils/arabic_search_normalizer.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('ArabicSearchNormalizer Tests', () {
    test('Normalizes diacritics and tashkeel', () {
      const input = 'مَدِينَةُ عَمَّانَ';
      expect(ArabicSearchNormalizer.normalize(input), equals('مدينه عمان'));
    });

    test('Normalizes various forms of Alef', () {
      expect(ArabicSearchNormalizer.normalize('أحمد'), equals('احمد'));
      expect(ArabicSearchNormalizer.normalize('إبراهيم'), equals('ابراهيم'));
      expect(ArabicSearchNormalizer.normalize('آلاء'), equals('الاء'));
      expect(ArabicSearchNormalizer.normalize('ٱستقبال'), equals('استقبال'));
    });

    test('Normalizes Teh Marbuta and Alef Maqsura', () {
      expect(ArabicSearchNormalizer.normalize('مستشفى'), equals('مستشفي'));
      expect(ArabicSearchNormalizer.normalize('جامعة'), equals('جامعه'));
      expect(ArabicSearchNormalizer.normalize('صيدلية النهدي'), equals('صيدليه النهدي'));
    });

    test('Matches normalized queries flexibly', () {
      expect(
        ArabicSearchNormalizer.matches('صيدلية النهدي الكبرى', 'نهدي'),
        isTrue,
      );
      expect(
        ArabicSearchNormalizer.matches('مستشفى الجامعة الأردنية', 'جامعة'),
        isTrue,
      );
      expect(
        ArabicSearchNormalizer.matches('مستشفى الجامعة الأردنية', 'جامعه'),
        isTrue,
      );
      expect(
        ArabicSearchNormalizer.matches('مطعم القدس', 'القدس'),
        isTrue,
      );
    });
  });

  group('VehicleIconGenerator Tests', () {
    test('Generates valid PNG bytes for modern sedan', () async {
      final bytes = await VehicleIconGenerator.generateVehicleIconBytes(
        styleId: 'car',
        primaryColor: const Color(0xFF007AFF),
      );
      expect(bytes, isNotEmpty);
      // Valid PNG header starts with 0x89, 'P', 'N', 'G' (0x89, 0x50, 0x4E, 0x47)
      expect(bytes[0], equals(0x89));
      expect(bytes[1], equals(0x50));
      expect(bytes[2], equals(0x4E));
      expect(bytes[3], equals(0x47));
    });

    test('Generates valid PNG bytes for SUV and Arrow styles', () async {
      final suvBytes = await VehicleIconGenerator.generateVehicleIconBytes(
        styleId: 'suv',
        primaryColor: const Color(0xFF00C853),
      );
      expect(suvBytes, isNotEmpty);
      expect(suvBytes[0], equals(0x89));

      final arrowBytes = await VehicleIconGenerator.generateVehicleIconBytes(
        styleId: 'arrow',
        primaryColor: const Color(0xFFFF3B30),
      );
      expect(arrowBytes, isNotEmpty);
      expect(arrowBytes[0], equals(0x89));
    });

    test('Exposes predefined vehicle styles and colors', () {
      expect(VehicleIconGenerator.availableStyles, isNotEmpty);
      expect(VehicleIconGenerator.availableStyles.any((s) => s.id == 'car'), isTrue);
      expect(VehicleIconGenerator.availableStyles.any((s) => s.id == 'suv'), isTrue);
      expect(VehicleIconGenerator.availableStyles.any((s) => s.id == 'arrow'), isTrue);

      expect(VehicleIconGenerator.availableColors, isNotEmpty);
      expect(VehicleIconGenerator.availableColors.any((c) => c.colorValue == 0xFF007AFF), isTrue);
    });
  });
}