// getNestAnscestorId.js
(function () {
  /* global AdventureJS A */
  var p = AdventureJS.Assets.Character.prototype;
  /**
   * @memberOf AdventureJS.Assets.Character
   * @method AdventureJS.Assets.Character#getNestAnscestorId
   * @returns {String}
   */
  p.getNestAnscestorId = function Character_getNestAnscestorId() {
    if (!this.isNested()) {
      return "";
    }
    var child, parent_asset;
    if (this.getNestAsset) child = this.getNestAsset();
    if (child.getParentAsset) parent_asset = child.getParentAsset();

    // child parent is room
    if (parent_asset && parent_asset instanceof AdventureJS.Assets.Room) {
      return child.id;
    }

    while (parent_asset) {
      child = parent_asset;
      parent_asset = parent_asset.getPlaceAsset();
      if (parent_asset && parent_asset instanceof AdventureJS.Assets.Room) {
        return child.id;
      }
    }
    return "";
  };
})();