export default async ({ app, store, res, $vuetify }) => {

  $vuetify.lang.current = app.i18n.locale

  app.i18n.onLanguageSwitched = (oldLocale, newLocale) => {
    $vuetify.lang.current = newLocale
  }

  // const messages = {}
  // if (process.server) {
  //   if (res.locals) {
  //     store.commit('setLocale', res.locals.acceptedLocale)
  //     if (res.locals.user_locale) {
  //       store.commit('setUserLocale', res.locals.user_locale)
  //     }
  //   }
  // }

  // messages[store.state.locale] = await import(/* webpackChunkName: "lang-[request]" */`../locales/${store.state.locale}.json`)

  // always include en fallback locale
  // if (store.state.locale !== 'en') {
  //   messages.en = await import('../locales/en.json')
  // }

  // if (store.state.user_locale) {
  //   merge(messages[store.state.locale], store.state.user_locale)
  // }

  // Set i18n instance on app
  // app.i18n = new VueI18n({
  //   locale: store.state.locale,
  //   fallbackLocale: 'en',
  //   messages
  // })
}