import WaitUtil from './WaitUtil';

export type SuseLanguageCode =
  | 'ar-ar'
  | 'cs-cz'
  | 'de-de'
  | 'es-es'
  | 'fr-fr'
  | 'it-it'
  | 'hu-hu'
  | 'ko-kr'
  | 'ja-jp'
  | 'nl-nl'
  | 'pl-pl'
  | 'pt-br'
  | 'ru-ru'
  | 'sv-se'
  | 'zh-cn'
  | 'zh-tw';

const SUSE_LANGUAGE_CODES: Record<SuseLanguageCode, string> = {
  'ar-ar': 'arb',
  'cs-cz': 'ces',
  'de-de': 'deu',
  'es-es': 'spa',
  'fr-fr': 'fra',
  'it-it': 'ita',
  'hu-hu': 'hun',
  'ko-kr': 'kor',
  'ja-jp': 'jpn',
  'nl-nl': 'nld',
  'pl-pl': 'pol',
  'pt-br': 'por',
  'ru-ru': 'rus',
  'sv-se': 'swe',
  'zh-cn': 'cmn',
  'zh-tw': 'cmn',
} as const;

/**
 * Hack because franc is ESM only.
 * TODO: Fix ESM imports
 *
 * https://github.com/TypeStrong/ts-node/discussions/1290 -- hack info here
 * https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
 */
let franc: any = null;

(async () => {
  // eslint-disable-next-line no-new-func
  const dynamicImport = new Function('specifier', 'return import(specifier)');
  franc = (await dynamicImport('franc-min')).franc;
})();

const lang = async (text: string): Promise<string | null> => {
  await WaitUtil.forTrue(() => Boolean(franc));
  return franc?.(text) ?? null;
};

const LanguageUtil = {
  SUSE_LANGUAGE_CODES,
  lang,
};

export default LanguageUtil;