/*!
 * @license
 * Copyright Squiz Australia Pty Ltd. All Rights Reserved.
 */

import {
  RECOMMENDED_RUNTIME_IMAGE,
  SUPPORTED_RUNTIME_IMAGES,
  isDeprecatedRuntimeImage,
  isSupportedRuntimeImage,
} from '../../job/constants/RuntimeImage.constants';
import { ManifestValidationError } from '../errors/ManifestValidationError';

export const validateAndDefaultRuntimeImage = (image: string | null | undefined): string => {
  if (image === null || image === undefined) {
    return RECOMMENDED_RUNTIME_IMAGE;
  }

  if (!isSupportedRuntimeImage(image)) {
    throw new ManifestValidationError(
      `Unsupported runtime image "${image}". Supported images are: ${SUPPORTED_RUNTIME_IMAGES.join(', ')}`,
    );
  }

  if (isDeprecatedRuntimeImage(image)) {
    throw new ManifestValidationError(
      `Runtime image "${image}" is deprecated and can no longer be used for new uploads. ` +
        `Please use the recommended runtime image "${RECOMMENDED_RUNTIME_IMAGE}".`,
    );
  }

  return image;
};