namespace UnityEngine.Localization
{
    static class SystemLanguageConverter
    {
        /// <summary>
        /// Converts a SystemLanguage enum into a CultureInfo Code.
        /// </summary>
        /// <param name="lang">The SystemLanguage enum to convert into a Code.</param>
        /// <returns>The language Code or an empty string if the value could not be converted.</returns>
        internal static string GetSystemLanguageCultureCode(SystemLanguage lang)
        {
            switch (lang)
            {
                case SystemLanguage.Afrikaans:          return "af";
                case SystemLanguage.Arabic:             return "ar";
                case SystemLanguage.Basque:             return "eu";
                case SystemLanguage.Belarusian:         return "be";
                case SystemLanguage.Bulgarian:          return "bg";
                case SystemLanguage.Catalan:            return "ca";
                case SystemLanguage.Chinese:            return "zh-CN";
                case SystemLanguage.ChineseSimplified:  return "zh-hans";
                case SystemLanguage.ChineseTraditional: return "zh-hant";
                case SystemLanguage.SerboCroatian:      return "hr";
                case SystemLanguage.Czech:              return "cs";
                case SystemLanguage.Danish:             return "da";
                case SystemLanguage.Dutch:              return "nl";
                case SystemLanguage.English:            return "en";
                case SystemLanguage.Estonian:           return "et";
                case SystemLanguage.Faroese:            return "fo";
                case SystemLanguage.Finnish:            return "fi";
                case SystemLanguage.French:             return "fr";
                case SystemLanguage.German:             return "de";
                case SystemLanguage.Greek:              return "el";
                case SystemLanguage.Hebrew:             return "he";
                case SystemLanguage.Hungarian:          return "hu";
                case SystemLanguage.Icelandic:          return "is";
                case SystemLanguage.Indonesian:         return "id";
                case SystemLanguage.Italian:            return "it";
                case SystemLanguage.Japanese:           return "ja";
                case SystemLanguage.Korean:             return "ko";
                case SystemLanguage.Latvian:            return "lv";
                case SystemLanguage.Lithuanian:         return "lt";
                case SystemLanguage.Norwegian:          return "no";
                case SystemLanguage.Polish:             return "pl";
                case SystemLanguage.Portuguese:         return "pt";
                case SystemLanguage.Romanian:           return "ro";
                case SystemLanguage.Russian:            return "ru";
                case SystemLanguage.Slovak:             return "sk";
                case SystemLanguage.Slovenian:          return "sl";
                case SystemLanguage.Spanish:            return "es";
                case SystemLanguage.Swedish:            return "sv";
                case SystemLanguage.Thai:               return "th";
                case SystemLanguage.Turkish:            return "tr";
                case SystemLanguage.Ukrainian:          return "uk";
                case SystemLanguage.Vietnamese:         return "vi";
#if UNITY_2022_2_OR_NEWER
                case SystemLanguage.Hindi:              return "hi";
#endif
                default: return "";
            }
        }
    }
}