"use strict";

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: Cognos Analytics
 * Copyright IBM Corp. 2015, 2016
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['underscore'], function (_) {
  'use strict'; //NOSONAR: meant to be strict

  var _singletonInstance = null;

  var CapabilityHelper = function CapabilityHelper() {
    if (CapabilityHelper.prototype._singletonInstance) {
      return CapabilityHelper.prototype._singletonInstance;
    }
  };

  CapabilityHelper.prototype.checkCapabilities = function (capabilityName, glassContext) {
    if (glassContext) {
      return _.find(glassContext.services.userProfile.capabilities, function (capability) {
        return capability === capabilityName;
      });
    } else {
      return _.find(this.glassContext.services.userProfile.capabilities, function (capability) {
        return capability === capabilityName;
      });
    }
  };

  var _static = {
    getInstance: function getInstance() {
      if (!_singletonInstance) {
        _singletonInstance = new CapabilityHelper();
      }

      return _singletonInstance;
    }
  };
  return _static.getInstance();
});