// canCharacterReachThatFromThis.js
(function () {
  /*global adventurejs A*/
  var p = adventurejs.Tangible.prototype;
  /**
   * Check whether that asset can be reached
   * by player when nested in this asset.
   * @memberOf adventurejs.Tangible
   * @method adventurejs.Tangible#canCharacterReachThatFromThis
   * @param {Object} object
   * @returns {Boolean}
   */
  p.canCharacterReachThatFromThis =
    function Tangible_canPlayerReachThatFromThis(thatobject, thatprep) {
      // was question asked without a valid object?
      if ("undefined" === typeof thatobject || !thatobject) {
        return false;
      }

      var input = this.game.getInput();
      var subject = input.getSubject();

      // question is only relevant if player is nested within this asset
      if (this !== subject.getNestAsset()) {
        return false;
      }

      var bool = false;
      var this_aspect = subject.getNestPreposition();

      // Arrays can contain ID strings or objects which
      // ["uncomfortable_looking_bed", "table"]
      // [{desk: ["on"]}, {uncomfortable_looking_bed: ["on"]}]

      // this.things_player_can_reach_from_this is the simple version
      // of setting reachability.
      bool = A.isIdInMixedArray(
        thatobject.id,
        this.things_player_can_reach_from_this
      );
      if (bool) return bool; // don't need to look any deeper

      // the simple version of setting reachability from top of thing
      if (subject.isNestedOnTop()) {
        bool = A.isIdInMixedArray(
          thatobject.id,
          this.things_player_can_reach_from_top_of_this
        );
        if (bool) return bool;
      }

      // the simple version of setting reachability from bottom of thing
      if (subject.isNestedOnBottom()) {
        bool = A.isIdInMixedArray(
          thatobject.id,
          this.things_player_can_reach_from_bottom_of_this
        );
        if (bool) return bool;
      }

      // else we need to look deeper into the aspect subject is nested in
      bool = this.aspects[this_aspect].canPlayerReachThatFromThisAspect(
        thatobject,
        thatprep
      );

      return bool;
    };
})();