import { getErrnoCode } from './systemErrors'

export function handleProxyRequestError(params: { error: unknown; targetEndpoint: string; hostname: string }): Error {
  const errorMessage = params.error instanceof Error ? params.error.message : 'Unknown request error'
  const errorCode = getErrnoCode(params.error)
  if (errorCode === 'ENOTFOUND' || errorCode === 'EAI_AGAIN') {
    console.error('NIP-95 proxy DNS error:', {
      targetEndpoint: params.targetEndpoint,
      hostname: params.hostname,
      errorCode,
      errorMessage,
      suggestion: 'Check DNS resolution or network connectivity on the server',
    })
    return new Error(`DNS resolution failed for ${params.hostname}: ${errorMessage}`)
  }
  return params.error instanceof Error ? params.error : new Error(errorMessage)
}