import 'dart:ui';

Locale? resolveSystemLocale(Locale systemLocale) {
  final lang = systemLocale.languageCode.toLowerCase();
  final script = systemLocale.scriptCode;
  final country = systemLocale.countryCode;

  if (lang == 'en') {
    return const Locale('en');
  }

  if (lang == 'zh') {
    if (script == 'Hant' ||
        country == 'TW' ||
        country == 'HK' ||
        country == 'MO') {
      return const Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hant');
    }
    return const Locale('zh');
  }

  return null;
}

Locale getSystemLocale() {
  return PlatformDispatcher.instance.locale;
}