import 'dart:ui' show Locale;

import 'package:flame_lua_runtime/runtime/game/runtime_locale.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('RuntimeLocaleResolver', () {
    test('normalizes locale tags', () {
      expect(RuntimeLocaleResolver.normalizeTag('zh_hans_cn'), 'zh-Hans-CN');
      expect(RuntimeLocaleResolver.normalizeTag('EN-us'), 'en-US');
      expect(RuntimeLocaleResolver.tagOf(const Locale('zh', 'CN')), 'zh-CN');
    });

    test('resolves exact, language and fallback locales', () {
      expect(
        RuntimeLocaleResolver.resolve(
          requested: const Locale.fromSubtags(
            languageCode: 'zh',
            scriptCode: 'Hans',
          ),
          defaultLocale: 'en',
          supportedLocales: const ['zh-Hans', 'en'],
        ).resolved,
        'zh-Hans',
      );

      expect(
        RuntimeLocaleResolver.resolve(
          requested: const Locale('en', 'US'),
          defaultLocale: 'zh-Hans',
          supportedLocales: const ['zh-Hans', 'en'],
        ).resolved,
        'en',
      );

      expect(
        RuntimeLocaleResolver.resolve(
          requested: const Locale('fr', 'FR'),
          defaultLocale: 'zh-Hans',
          supportedLocales: const ['zh-Hans', 'en'],
        ).resolved,
        'zh-Hans',
      );
    });

    test('exports locale context for Lua', () {
      final info = RuntimeLocaleResolver.resolve(
        requested: const Locale('en', 'US'),
        defaultLocale: 'zh-Hans',
        supportedLocales: const ['zh-Hans', 'en'],
      );

      expect(info.toMap(), {
        'requested': 'en-US',
        'resolved': 'en',
        'default': 'zh-Hans',
        'supported': ['zh-Hans', 'en'],
        'languageCode': 'en',
        'countryCode': 'US',
      });
    });
  });
}