//
//#region Imports ...
const uuid = require("uuid");
//#endregion

//
//#region Constants ...
const DEFAULT_NAMESPACE = "SaherElm IT Center";
//#endregion

/**
 * generate a uniqu identifier ...
 * 
 * @param {string} prefix the prefix of generated uuid ...
 * @param {string} content the additional content which added to generated uuid ...
 * @param {string} nameSpace the proposed name space for generating uuid ...
 * @returns a unique universal uuid ...
 */
function generateUuid(
  prefix,
  content,
  nameSpace = DEFAULT_NAMESPACE
) {
  //
  const uId = content ? uuid.v5(content, nameSpace) : uuid.v4();
  const result = prefix ? `${prefix}_${uId}` : uId;

  //
  return result;
}

//
// Module Exports ...
module.exports = {
  DEFAULT_NAMESPACE,
  generateUuid,
};