import { IncomingHttpHeaders } from "./header";
import Client from './client'

export default Errors

declare namespace Errors {
  export class UndiciError extends Error {
    name: string;
    code: string;
  }

  /** Connect timeout error. */
  export class ConnectTimeoutError extends UndiciError {
    name: 'ConnectTimeoutError';
    code: 'UND_ERR_CONNECT_TIMEOUT';
  }

  /** A header exceeds the `headersTimeout` option. */
  export class HeadersTimeoutError extends UndiciError {
    name: 'HeadersTimeoutError';
    code: 'UND_ERR_HEADERS_TIMEOUT';
  }

  /** Headers overflow error. */
  export class HeadersOverflowError extends UndiciError {
    name: 'HeadersOverflowError'
    code: 'UND_ERR_HEADERS_OVERFLOW'
  }

  /** A body exceeds the `bodyTimeout` option. */
  export class BodyTimeoutError extends UndiciError {
    name: 'BodyTimeoutError';
    code: 'UND_ERR_BODY_TIMEOUT';
  }

  export class ResponseStatusCodeError extends UndiciError {
    constructor (
      message?: string,
      statusCode?: number,
      headers?: IncomingHttpHeaders | string[] | null,
      body?: null | Record<string, any> | string
    );
    name: 'ResponseStatusCodeError';
    code: 'UND_ERR_RESPONSE_STATUS_CODE';
    body: null | Record<string, any> | string
    status: number
    statusCode: number
    headers: IncomingHttpHeaders | string[] | null;
  }

  /** Passed an invalid argument. */
  export class InvalidArgumentError extends UndiciError {
    name: 'InvalidArgumentError';
    code: 'UND_ERR_INVALID_ARG';
  }

  /** Returned an invalid value. */
  export class InvalidReturnValueError extends UndiciError {
    name: 'InvalidReturnValueError';
    code: 'UND_ERR_INVALID_RETURN_VALUE';
  }

  /** The request has been aborted by the user. */
  export class RequestAbortedError extends UndiciError {
    name: 'AbortError';
    code: 'UND_ERR_ABORTED';
  }

  /** Expected error with reason. */
  export class InformationalError extends UndiciError {
    name: 'InformationalError';
    code: 'UND_ERR_INFO';
  }

  /** Request body length does not match content-length header. */
  export class RequestContentLengthMismatchError extends UndiciError {
    name: 'RequestContentLengthMismatchError';
    code: 'UND_ERR_REQ_CONTENT_LENGTH_MISMATCH';
  }

  /** Response body length does not match content-length header. */
  export class ResponseContentLengthMismatchError extends UndiciError {
    name: 'ResponseContentLengthMismatchError';
    code: 'UND_ERR_RES_CONTENT_LENGTH_MISMATCH';
  }

  /** Trying to use a destroyed client. */
  export class ClientDestroyedError extends UndiciError {
    name: 'ClientDestroyedError';
    code: 'UND_ERR_DESTROYED';
  }

  /** Trying to use a closed client. */
  export class ClientClosedError extends UndiciError {
    name: 'ClientClosedError';
    code: 'UND_ERR_CLOSED';
  }

  /** There is an error with the socket. */
  export class SocketError extends UndiciError {
    name: 'SocketError';
    code: 'UND_ERR_SOCKET';
    socket: Client.SocketInfo | null
  }

  /** Encountered unsupported functionality. */
  export class NotSupportedError extends UndiciError {
    name: 'NotSupportedError';
    code: 'UND_ERR_NOT_SUPPORTED';
  }

  /** No upstream has been added to the BalancedPool. */
  export class BalancedPoolMissingUpstreamError extends UndiciError {
    name: 'MissingUpstreamError';
    code: 'UND_ERR_BPL_MISSING_UPSTREAM';
  }

  export class HTTPParserError extends UndiciError {
    name: 'HTTPParserError';
    code: string;
  }

  /** The response exceed the length allowed. */
  export class ResponseExceededMaxSizeError extends UndiciError {
    name: 'ResponseExceededMaxSizeError';
    code: 'UND_ERR_RES_EXCEEDED_MAX_SIZE';
  }
}