import {useEffect} from 'react'
import {i18n} from '@lingui/core'

import {useLanguagePrefs} from '#/state/preferences'
import {messages as messagesEn} from '#/locale/locales/en/messages'
import {messages as messagesHi} from '#/locale/locales/hi/messages'
import {messages as messagesJa} from '#/locale/locales/ja/messages'
import {messages as messagesFr} from '#/locale/locales/fr/messages'
import {sanitizeAppLanguageSetting} from '#/locale/helpers'
import {AppLanguage} from '#/locale/languages'

/**
 * We do a dynamic import of just the catalog that we need
 */
export async function dynamicActivate(locale: AppLanguage) {
  switch (locale) {
    case AppLanguage.hi: {
      i18n.loadAndActivate({locale, messages: messagesHi})
      break
    }
    case AppLanguage.ja: {
      i18n.loadAndActivate({locale, messages: messagesJa})
      break
    }
    case AppLanguage.fr: {
      i18n.loadAndActivate({locale, messages: messagesFr})
      break
    }
    default: {
      i18n.loadAndActivate({locale, messages: messagesEn})
      break
    }
  }
}

export async function useLocaleLanguage() {
  const {appLanguage} = useLanguagePrefs()
  useEffect(() => {
    dynamicActivate(sanitizeAppLanguageSetting(appLanguage))
  }, [appLanguage])
}