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

const isDev = typeof import.meta !== 'undefined' && Boolean(import.meta.env?.DEV);

i18n
  .use(Backend)
  .use(LanguageDetector)
  .use(initReactI18next)
  .init({
    fallbackLng: 'de',
    debug: isDev,
    interpolation: {
      escapeValue: false,
    },
    backend: {
      loadPath: '/lang/{{lng}}/{{ns}}.json',
    },
    ns: ['marketing', 'auth', 'profile', 'common', 'legal'],
    defaultNS: 'marketing',
    supportedLngs: ['de', 'en'],
    detection: {
      order: ['path', 'cookie', 'localStorage', 'htmlTag', 'subdomain'],
      lookupFromPathIndex: 0,
      caches: ['cookie'],
    },
  });

export default i18n;