import { assertObject, isNotNil, isNil } from '@ibm-wch-sdk/utils';
import { satisfies } from 'semver';

export enum DEP_TYPE {
  PEER,
  RUNTIME,
  DEVELOPMENT
}

export function getFolderForType(aType?: DEP_TYPE): string {
  return aType === DEP_TYPE.PEER
    ? 'peerDependencies'
    : aType === DEP_TYPE.DEVELOPMENT
      ? 'devDependencies'
      : 'dependencies';
}

/**
 * Updates the package JSON to use at least the given version
 *
 * @param aName     name
 * @param aMinVersion   min version
 * @param aPkg  package
 */
export function updateMinVersion(
  aName: string,
  aMinVersion: string,
  aPkg: any,
  aType?: DEP_TYPE
): any {
  // check if we have a version identifier
  const folder = getFolderForType(aType);
  // access
  const deps = assertObject(folder, aPkg) as any;
  const oldDep = deps[aName];
  if (isNil(oldDep) || !satisfies(aMinVersion, oldDep)) {
    // just update
    deps[aName] = `^${aMinVersion}`;
  }
  // ok
  return aPkg;
}