import { type loc, locales, fallbackLocale } from '@/config/locales'

export const __c = async (key: string | null | undefined, locale?: loc) => {
  key = (key ?? '').trim()
  if (key.length === 0) return key

  if (!locales.includes(locale ??= fallbackLocale)) {
    locale = fallbackLocale
  }

  let data: any = await import(`@/locales/custom.${locale}`).then(({ default: data }) => data).catch(() => false)
  if (data === false) return key

  const x = key.split('.')
  let c: number = x.length

  if (c === 1) {
    return data.hasOwn(x[0]) && typeof data[x[0]] === 'string' ? data[x[0]] : key
  }

  for (let i in x) {
    if (data.hasOwn(x[i])) {
      data = data[x[i]]
      c--
    }
  }

  return c === 0 ? data : key
}