// jumpOn.js

(function () {
  /*global adventurejs A*/
  "use strict";

  /**
   * @augments {adventurejs.Verb}
   * @class jumpOn
   * @ajsnode game.dictionary.verbs.jumpOn
   * @ajsconstruct MyGame.createVerb({ "name": "jumpOn", [...] });
   * @ajsconstructedby adventurejs.Dictionary#createVerb
   * @hideconstructor
   * @ajsinstanceof Verb
   * @ajsnavheading DeprecatedVerbs
   * @summary Summary.
   * @ajssynonyms hop on, jump on, jump onto
   * @tutorial Scripting_VerbSubscriptions
   * @tutorial Verbs_VerbAnatomy
   * @tutorial Verbs_VerbProcess
   * @tutorial Verbs_ModifyVerbs
   * @tutorial Verbs_WriteVerbs
   * @classdesc
   * <pre class="display border outline">
   * <span class="input">&gt; jump on pedestal</span>
   * You jump on to the floating crystal pedestal. It rises slowly
   * into the air, carrying you toward the top of the tall fluted chamber.
   * </pre>
   * <p>
   * <strong>Jump on</strong> requires that the
   * {@link adventurejs.Tangible|Tangible}
   * {@link adventurejs.Asset|Asset} has an <strong>on</strong>
   * {@link adventurejs.Aspect|Aspect}.
   * See
   * <a href="/doc/Tangibles_Aspects.html">How to Use Aspects</a>
   * to learn more.
   * </p>
   */
  A.Preverbs.jumpOn = {
    name: "jumpOn",
    prettyname: "jump on",
    synonyms: [],
    verb_prep_noun: ["hop on", "jump on"],

    player_must_be: {
      not_constrained: true,
      not_on_floor: true,
      not_nested_elsewhere: true,
    },

    phrase1: {
      accepts_noun: true,
      requires_noun: true,
      noun_must_be: {
        known: true,
        tangible: true,
        present: true,
        visible: true,
        reachable: true,
      },
    },

    doTry: function () {
      var input = this.game.getInput();
      var direct_object = input.getAsset(1);
      var player = this.game.getPlayer();
      var nest_preposition = player.getNestPreposition();
      var nest_parent_id = player.getNestId();
      var nest_parent_object = player.getNestAsset();

      // TODO:
      // is object an exit? eg "jump on stage"
      // for now just redirect to the exit
      // this might need to be revisited
      if (
        direct_object instanceof adventurejs.Exit ||
        direct_object instanceof adventurejs.Aperture
      ) {
        this.game.dictionary.doVerb(direct_object.direction);
        return null;
      }

      // player is already in/on target
      if (
        direct_object.id === nest_parent_id &&
        ("on" === nest_preposition ||
          (direct_object.quirks.in_means_on && "in" === nest_preposition))
      ) {
        // var msg = "$(We're) already "
        //   + nest_preposition
        //   + " "
        //   + direct_object.articlename
        //   + ". ";
        var msg =
          "$(We) jump up and down a bit " +
          nest_preposition +
          " " +
          direct_object.articlename +
          ". ";
        this.handleFailure(msg);
        return null;
      }

      // player is nested some other way with target
      // and needs to unnest first
      if (
        direct_object.id === nest_parent_id &&
        ((false === direct_object.quirks.in_means_on &&
          "on" !== nest_preposition) ||
          (direct_object.quirks.in_means_on &&
            "on" !== nest_preposition &&
            "in" !== nest_preposition))
      ) {
        var msg =
          "$(We) can't do that from $(our) position " +
          player.getPostureGerund() +
          " " +
          nest_preposition +
          " " +
          nest_parent_object.articlename +
          ". ";
        this.handleFailure(msg);
        return null;
      }

      // player can't nest in/on object at all
      if (
        (false === direct_object.quirks.in_means_on &&
          false === direct_object.can.jump_on) ||
        (direct_object.quirks.in_mean._on &&
          false === direct_object.can.jump_on &&
          false === direct_object.can.jump_in)
      ) {
        var msg = "$(We) can't get on " + direct_object.articlename + ". ";
        this.handleFailure(msg);
        return null;
      }

      return true;
    },

    doSuccess: function () {
      var input = this.game.getInput();
      var direct_object = input.getAsset(1);
      var player = this.game.getPlayer();
      var results;

      // If direct_object is an exit/aperture, we already shunted to "enter".

      /**
       * We check default_aspect_for_go_on
       * and default_posture_for_go_on for context.
       */

      var posture = direct_object.default_posture_for_go_on;
      var preposition = direct_object.default_aspect_for_go_on;
      var msg = "";

      if (direct_object.is.climbable) {
        msg += "$(Our) start y is " + player.position.y + ". ";
      }

      msg +=
        "$(We) jump up and " +
        posture +
        " " +
        preposition +
        " " +
        direct_object.articlename +
        ". ";

      // DO THE THING!
      results = player.onNestThisToThat(direct_object, preposition);
      if ("undefined" !== typeof results) return results;

      player.posture = posture;

      if (direct_object.is.climbable) {
        player.position.y++;
        msg += "$(Our) end y is " + player.position.y + ". ";
      }

      this.handleSuccess(msg, direct_object);
      return true;
    },
  };
})(); // jumpOn