import { I18n } from 'i18n-js';
import * as Localization from 'expo-localization';
import AsyncStorage from '@react-native-async-storage/async-storage';

import en from './locales/en.json';
import tk from './locales/tk.json';
import ru from './locales/ru.json';

const i18n = new I18n({
  en,
  tk,
  ru,
});

i18n.enableFallback = true;

// Function to initialize the language
export const initializeLanguage = async () => {
  const savedLanguage = await AsyncStorage.getItem('user-language');
  if (savedLanguage) {
    i18n.locale = savedLanguage;
  } else {
    // If no language is saved, detect from device and default to Turkmen
    const userLanguageCode = Localization.getLocales()[0]?.languageCode;
    i18n.locale = ['en', 'tk', 'ru'].includes(userLanguageCode || '') ? userLanguageCode! : 'tk';
  }
};

export default i18n;