import elementLocale from 'element-ui/lib/locale'

const langs = {
  en: {
    bs: () => import('../../../lang/en/front-end.yml'),
    element: () => import('element-ui/lib/locale/lang/en'),
  },
  zh_CN: {
    bs: () => import('../../../lang/zh_CN/front-end.yml'),
    element: () => import('element-ui/lib/locale/lang/zh-CN'),
  },
}

async function load(language) {
  const { bs: loadBS, element: loadElement } = langs[language]
  await Promise.all([
    (async () => {
      const text = await loadBS()
      blessing.i18n = Object.assign(blessing.i18n || Object.create(null), text)
    })(),
    (async () => {
      elementLocale.use((await loadElement()).default)
    })(),
  ])
}

export default function () {
  return blessing.locale in langs
    ? load(blessing.locale)
    : load(blessing.fallback_locale)
}