const SAME_SERVER_HOST = '1.92.206.90'
const LEGACY_AUDIO_HOST = '47.120.48.148'

const isAbsoluteHttpUrl = (url: string) => /^https?:\/\//i.test(url)

export const normalizeSameOriginPublicUrl = (url: string | null | undefined) => {
  const value = url?.trim()
  if (!value || !isAbsoluteHttpUrl(value)) return value || ''

  try {
    const parsed = new URL(value)
    const isSameServer = parsed.hostname === SAME_SERVER_HOST

    if (
      isSameServer
      && parsed.port === '9000'
      && parsed.pathname.startsWith('/museum-assets/')
    ) {
      return `${parsed.pathname}${parsed.search}${parsed.hash}`
    }

    if (
      isSameServer
      && parsed.port === '48080'
      && parsed.pathname.startsWith('/yudao-server/')
    ) {
      return `${parsed.pathname}${parsed.search}${parsed.hash}`
    }

    if (
      parsed.hostname === LEGACY_AUDIO_HOST
      && parsed.port === '19000'
      && parsed.pathname.startsWith('/nhm/audio/')
    ) {
      return `${parsed.pathname}${parsed.search}${parsed.hash}`
    }
  } catch {
    return value
  }

  return value
}