// updateRoomImage.js

(function () {
  /* global adventurejs A */

  var p = adventurejs.Display.prototype;

  /**
   * Set Room image if there is one.
   * @method adventurejs.Display#updateRoomImage
   * @param {String} id The id of an image in game.image_lookup.
   * @returns {adventurejs.Display} Returns the instance the method is called on (useful for chaining calls.)
   * @chainable
   */
  p.updateRoomImage = function Display_updateRoomImage(id) {
    if ("undefined" === typeof id) {
      id = this.game.getAsset(this.game.world._room).image;
    }
    if (!id) return this;

    this.imagedocks.forEach(function (dock) {
      if (dock.dataset.type && dock.dataset.type.toLowerCase() === "room") {
        if (this.game.image_lookup[id]) {
          dock.innerHTML = `<img src="${this.game.image_lookup[id]}" class="room_image id_${id}"/>`;
        } else {
          dock.innerHTML = "";
        }
      }
    }, this);

    return this;
  };
})();