import { createStore } from 'redux'
import reducers from '../reducers'

const store = createStore(reducers);

let translations = {
  'languages': store.getState().language,
  'store': store.getState().oneTranslation,
  'pl': {

  },
  'en': {

  }
};

let preloadStateTranslations = false;

const lang = (TRANSLATION_ID) => {
  if (!preloadStateTranslations && window && window.preloadedInitialState) {
    if (typeof window.preloadedInitialState == "string") {
      preloadStateTranslations = JSON.parse(window.preloadedInitialState);
    }
  }

  let defaultLang = 'pl';
  let pickedLang = typeof window != 'undefined' && 'localStorage' in window && 'pickedLang' in window.localStorage ?
    window.localStorage['pickedLang'] : defaultLang;

  let stateLanguage = !store.getState().language.length && preloadStateTranslations ? preloadStateTranslations.language : store.getState().language;
  const pickedLangFromBase = stateLanguage.find(language => pickedLang == language.isoCode);

  const fromOldBase = (TRANSLATION_ID in translations[pickedLang] ? translations[pickedLang][TRANSLATION_ID] : TRANSLATION_ID);

  let oneTranslation = !store.getState().oneTranslation.length && preloadStateTranslations ? preloadStateTranslations.oneTranslation : store.getState().oneTranslation;
  const foundTranslation = oneTranslation.find(translation =>
    translation.reference == TRANSLATION_ID &&
    translation.language == pickedLangFromBase._id
  );
  if (!foundTranslation) {
    return fromOldBase;
  }

  return foundTranslation.text || foundTranslation.html || fromOldBase;
};

exports.pickedLang = () => {
  let stateLanguage = !store.getState().language.length && preloadStateTranslations ? preloadStateTranslations.language : store.getState().language;

  let defaultLang = 'pl';
  let pickedLang = typeof window != 'undefined' && 'localStorage' in window && 'pickedLang' in window.localStorage ?
    window.localStorage['pickedLang'] : defaultLang;

  const pickedLangFromBase = stateLanguage.find(language => pickedLang == language.isoCode);

  return pickedLangFromBase;
};

exports.lang = lang;