import type { CdxBom } from './types/index.ts';

const EOL_SCAN_PROPERTY_ALLOWLIST = new Set(['gradleprofilename']);

/**
 * Creates a trimmed copy of a CycloneDX BOM by removing SBOM data not necessary for EOL scanning.
 * Removes externalReferences, evidence, hashes, and non-EOL properties from components.
 * @param cdxBom - The CycloneDX BOM to trim
 * @returns A new trimmed CycloneDX BOM object
 */
export function trimCdxBom(cdxBom: CdxBom): CdxBom {
  const newBom = structuredClone(cdxBom);

  for (const component of newBom.components ?? []) {
    component.externalReferences = [];
    component.evidence = {};
    component.hashes = [];
    component.properties =
      component.properties?.filter((property) =>
        EOL_SCAN_PROPERTY_ALLOWLIST.has(property.name?.toLowerCase() ?? ''),
      ) ?? [];
  }

  return newBom;
}