import {strict as assert} from 'assert'

export class FlashAuditError extends Error {
  
  errorCode: string

  constructor( message:string , errorCode:string = '') {
    super(message)
    this.errorCode = errorCode;
  }

  extra (extraMessage:string) : FlashAuditError {
    return new FlashAuditError(`${this.message}:\n${extraMessage}`,this.errorCode);
  }

}

export const allErrors =  {
  generic_error: new FlashAuditError('Unspecified error'),
  server_timedout: new FlashAuditError('Timed out awaiting server response'),
  producer_disconnected: new FlashAuditError("Producer client isn't connected."),
  invalid_format: new FlashAuditError("Audit format is not valid."),
  unauthorized: new FlashAuditError("Unauthorized request."),
  broker_error: new FlashAuditError("Unknown broker error."),
  broker_unavailable: new FlashAuditError("Broker unavailable.")
};


for (let key of Object.keys(allErrors)) {
  ((allErrors as any)[key] as FlashAuditError).errorCode = key;
}