const HttpBackend = require('i18next-http-backend/cjs');
const ChainedBackend = require('i18next-chained-backend').default;
const LocalStorageBackend = require('i18next-localstorage-backend').default;

module.exports = {
  backend: {
    backendOptions: [{ expirationTime: 60 * 60 * 1000 }, {}], // 1 hour
    backends:
      typeof window !== 'undefined' ? [LocalStorageBackend, HttpBackend] : [],
  },
  i18n: {
    defaultNS: 'translation',
    defaultLocale: 'en',
    locales: [
      'en',
      'ja',
      'de',
      'fr',
      'zh-Hans',
      'zh-Hant',
      'pt-BR',
      'es',
      'it',
      'ru',
      'nl',
      'id',
    ],
  },
  serializeConfig: false,
  use: typeof window !== 'undefined' ? [ChainedBackend] : [],
};