const services = {};

function add(clsNames, modName) {
  const modClass = require('./' + modName);
  clsNames.forEach((clsName) => {
    services[clsName] = {
      'clsName': clsName,
      'modName': modName,
      'class': modClass
    }
  });
}

function init() {
  add(['Present'], 'present');
  add(['EventCenter'], 'event_center');
  add(['ExecConfirmOwner'], 'exec_confirm_owner');
  add(['EventProcess'], 'event_process');
  add(['BoxOpenedProcess'], 'boxopened_process');
  add(['NftTransferProcess'], 'nft_transfer_process');
  create('Present', null).init();
  create('EventCenter', null).init();
}

function create(name, session) {
  const module = services[name];
  return new module['class'](session);
}

exports.init = init;
exports.create = create;