// setRoom.js

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

  var p = adventurejs.Game.prototype;

  /**
   * Move subject to the specified room.
   * @memberOf adventurejs.Game
   * @method adventurejs.Game#setRoom
   * @param {Object} newRoom A room object to which to move subject.
   * @param {Object} params
   */
  p.setRoom = function Game_setRoom(newRoom, params = {}) {
    if ("string" === typeof newRoom) newRoom = this.game.getAsset(newRoom);
    if (!newRoom) {
      this.game.log(
        "L1522",
        "warn",
        "high",
        `[setRoom.js] received invalid room ${newRoom}`,
        "Game"
      );
      return false;
    }
    this.game.log(
      "L1059",
      "log",
      "high",
      `[setRoom.js] ${newRoom.name}`,
      "Game"
    );

    var output_class = "";
    if (params.output_class) {
      output_class = params.output_class;
    }

    var currentRoomID = this.world._room;
    var currentRoomObj = this.world[currentRoomID];

    var input = this.getInput();
    var player = this.getPlayer();
    var subject = input.getSubject() || this.getPlayer();
    var subject_is_player = subject.id === player.id;

    var nest_parent_object = subject.getNestAsset();
    var results, msg;
    if (subject.has_tied_things_that_drag_on_travel) {
      var dragged_things = subject.getTiedThingsThatDragOnTravel();
    }

    //console.warn( "dragged_things",dragged_things);

    // old room can take action on exit
    if (
      "" !== currentRoomID &&
      "undefined" !== typeof currentRoomObj &&
      "undefined" !== typeof Object.keys(currentRoomObj) &&
      0 < Object.keys(currentRoomObj).length
    ) {
      // remove subject id string from old room's inventory
      results = currentRoomObj.onRemoveThatFromThis(subject); // string
      if ("undefined" !== typeof results) return results;

      if (subject.isNested() && nest_parent_object.isDOV("ride")) {
        // did away with the need for this by moving
        // simple vehicles into subject inventory
        // but leaving the check for other potential uses
        // results = currentRoomObj.onRemoveThatFromThis( nest_parent_object );
        // if( false === results ) { return false; }
        // else if ( null === results ) { return null; }
      }

      // if subject is dragging anything at the end of a rope,
      // its parent, whether room or thing, can act on it too
      if ("undefined" !== typeof dragged_things) {
        for (var i = 0; i < dragged_things.length; i++) {
          var dragged_thing = this.game.getAsset(dragged_things[i]);
          //console.warn( "dragged_thing",dragged_thing );
          //console.warn( "dragged_thing.getPlaceAsset()",dragged_thing.getPlaceAsset() );
          results = dragged_thing
            .getPlaceAsset()
            .onRemoveThatFromThis(dragged_thing);
          if ("undefined" !== typeof results) return results;
        }
      }
    }

    // set subject's location to new room id string
    // add subject ID string to new room's inventory
    results = newRoom.onMoveThatToThis(subject, "in"); // string
    if ("undefined" !== typeof results) return results;

    subject.knowAsset(newRoom, true);
    subject.seeAsset(newRoom, true);

    // reset subject's coordinates, in case subject had to do something
    // like climb a ladder to reach this room
    // @TODO flying? zero-G? underwater?
    subject.position = Object.assign(
      subject.position,
      newRoom.aspects.in.nest.initial_position
    );

    if (subject.isNested() && nest_parent_object.isDOV("ride")) {
      // did away with the need for this by moving
      // simple vehicles into subject inventory
      // but leaving the check for other potential uses
      // results = newRoom.onMoveThatToThis( nest_parent_object, "in" ); // string
      // if( false === results ) { return false; }
      // else if ( null === results ) { return null; }
    }

    // if subject is dragging anything at the end of a rope,
    // new room can act on that too
    if ("undefined" !== typeof dragged_things) {
      for (var i = 0; i < dragged_things.length; i++) {
        var dragged_thing = this.game.getAsset(dragged_things[i]);
        results = newRoom.onMoveThatToThis(dragged_thing, "in");
        if ("undefined" !== typeof results) return results;
      }
    }

    // set new room
    if (subject_is_player) this.world._room = newRoom.id; // string

    if (params.nestobject && params.nestprep) {
      results = subject.onNestThisToThat(params.nestobject, params.nestprep);
      if (A.isFalseOrNull(results)) {
        this.game.log(
          "L1060",
          "error",
          "high",
          `[setRoom.js] onNestThisToThat failed to nest ${subject.id} in params.nestobject.id. `,
          "Game"
        );
      }
    }

    if (!subject_is_player) {
      if (msg) this.game.print(msg, output_class);
      return;
    }

    this.updateDisplayRoom();
    this.updateDisplayCompasses();

    var directions = Object.keys(newRoom.exits);
    for (var i = 0; i < directions.length; i++) {
      var exit = this.getAsset(newRoom.id + "_" + directions[i]);
      subject.knowAsset(exit);
      subject.seeAsset(exit);
    }

    // parsed input can be set excludeRoomDescriptions
    // at the moment "go to" is the only invoker
    if (
      "undefined" !== typeof this.parser.input_queue[0] &&
      "undefined" !==
        typeof this.parser.input_queue[0].excludeRoomDescriptions &&
      this.parser.input_queue[0].excludeRoomDescriptions
    ) {
      return;
    }

    if ("undefined" !== typeof dragged_things) {
      for (var i = 0; i < dragged_things.length; i++) {
        var dragged_thing = this.game.getAsset(dragged_things[i]);
        var rope_asset = dragged_thing.getThingThisIsTiedToPlayerBy();
        msg = "{We} drag " + dragged_thing.articlename + " along";
        if ("undefined" !== typeof rope_asset) {
          msg += " at the end of " + rope_asset.articlename;
        }
        msg += ". ";
      }
    }

    // print input, room name, room description
    if (msg) this.game.print(msg, output_class);
    this.printRoom();
  };
})();