// IOVsetWithAsset.js
(function() {
	/*global adventurejs A*/ 
  "use strict";
  var p = adventurejs.Asset.prototype;	
  /**
   * <strong>IOVsetWithAsset</strong> is used to specify 
   * another asset that can be used as a direct object with this 
   * asset as indirect object. For example, if this asset is a gold key,
   * gold_key.IOVsetWithAsset('unlock', 'chest') would add 
   * the chest as a direct object of the gold key.
   * @memberOf adventurejs.Asset
   * @method adventurejs.Asset#IOVsetWithAsset
   * @param {String} verb
   * @param {Object} asset
   * @returns {Boolean}
   */
  p.IOVsetWithAsset = function Asset_IOVSetWithAsset(verb, asset)
  { 
    if( !verb || !this.game.dictionary.verbs[verb] ) return false;
    if( "string" === typeof asset ) asset = this.game.getAsset(asset);
    if( !asset || !asset.id ) return false;

    // verify that this is set as an indirect object of verb
    if(!this.isIOV(verb))
    {
      this.setIOV(verb);
    }

    // verify that direct object isn't already set
    if( -1 === this.iov[verb].with_assets.indexOf( asset.id ) )
    {
      this.iov[verb].with_assets.push( asset.id );
    }
   
    // that it works with an asset means it doesn't work with nothing
    this.iov[verb].with_nothing = false;

    return true;
  }
}());