error.ts

import { TFunction } from 'react-i18next';

export type ErrorType = {
  message?: string;
  moreInfo?: string;
  response?: Response;
};

type FetchError = {
  json?: {
    detail?: string | { response?: string; cause?: string };
    message?: string;
  };
  message?: string;
  response?: Response;
};

// Extracts the error message from a Fetch error
export const getFetchErrorMessage = (error: FetchError, t: TFunction): ErrorType => {
  // For OpenShift Lightspeed API errors, the `detail` field will either be a single string or
  // an object containing `response` and `cause` strings
  const detail = error.json?.detail;
  if (detail && typeof detail === 'string') {
    return { message: detail };
  }
  if (
    detail &&
    typeof detail === 'object' &&
    typeof detail.response === 'string' &&
    typeof detail.cause === 'string'
  ) {
    return { message: detail.response, moreInfo: detail.cause };
  }
  return {
    message: t('If this error persists, please contact an administrator. Error details: {{e}}', {
      e: error.json?.message || error.message || error.response?.statusText,
    }),
  };
};