import i18n from 'i18next';
import { initReactI18next } from 'react-i18next';
import Backend from 'i18next-http-backend';

i18n.on('languageChanged', (lng) => {
  console.log('i18n languageChanged event:', lng);
  console.trace('languageChanged trace for', lng);
});

i18n
  .use(Backend)
  .use(initReactI18next)
  .init({
    lng: localStorage.getItem('i18nextLng') || 'de',
    fallbackLng: 'de',
    supportedLngs: ['de', 'en'],
    ns: ['marketing', 'auth', 'common'],
    defaultNS: 'marketing',
    debug: import.meta.env.DEV,
    interpolation: {
      escapeValue: false,
    },
    backend: {
      loadPath: '/lang/{{lng}}/{{ns}}.json',
    },
    detection: {
      order: [],
      caches: ['localStorage'],
    },
    react: {
      useSuspense: false,
    },
  });

export default i18n;