// climb.js

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

  /**
   * @augments {adventurejs.Verb}
   * @class climb
   * @ajsnode game.dictionary.verbs.climb
   * @ajsconstruct MyGame.createVerb({ "name": "climb", [...] });
   * @ajsconstructedby adventurejs.Dictionary#createVerb
   * @hideconstructor
   * @ajsinstanceof Verb
   * @ajsnavheading LocomotionVerbs
   * @summary Verb meaning climb, as in "climb tree"; or, travel in specified direction.
   * @ajssynonyms climb onto, climb on, climb up
   * @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; climb tree</span>
   * You climb a good way into the tree before your climbing
   * is interrupted by an angry squirrel. Apparently you've
   * put a foot into the knot in which it stores its nuts.
   * </pre>
   * <p>
   * <strong>Climb</strong> can operate with or without
   * a noun, inferring from context whether the action can succeed.
   * </p>
   * @ajsverbreactions doRemoveThisFromThat, doRemoveThatFromThis, doMoveThisToThat, doMoveThatToThis, doNestThatToThis, doNestThisToThat, doUnnestThatFromThis, doUnnestThisFromThat
   * @ajsverbphases doBeforeTry, doAfterTry, doBeforeSuccess, doAfterSuccess
   */
  A.Preverbs.climb = {
    name: "climb",
    prettyname: "climb",
    past_tense: "climbed",
    synonyms: ["climb"],
    type: { locomotion: true, travel: true },
    extends: { go: true },
    gerund: "climbing",
    default_direction: "up",

    verb_prep_noun: [
      // parse climb up / climb down as climb
      // to prevent up/down being treated as nouns
      //"climb down",
      //"climb up",
    ],

    /**
     * @ajsadverbs
     * @memberof climb
     */
    accepts_adverbs: ["left", "right", "around", "back", "towards", "over"],

    /**
     * @ajsverbstructures
     * @memberof climb
     */
    accepts_structures: [
      "verb", // climb
      "verb noun", // climb thing, climb direction
      "verb preposition", // climb up
      "verb preposition noun", // climb on bed
      "verb noun preposition noun", // climb cliff with pick
      "verb preposition noun preposition noun", // climb from a to b
      // "verb preposition noun preposition noun preposition noun",
    ],

    player_must_be: {
      not_on_floor: true,
      not_constrained: true,
      //not_under: true,
      //not_behind: true,
    },

    /**
     * @memberof climb
     * @ajsverbphrase
     * phrase1:
     * {
     *   accepts_noun: true,
     *   accepts_preposition: true,
     *   accepts_direction: true,
     *   noun_must_be:
     *   {
     *     tangible: true,
     *     known: true,
     *     present: true,
     *     visible: true,
     *     reachable: true,
     *     not_player: true,
     *   },
     * },
     */
    phrase1: {
      accepts_noun: true,
      noun_must_be: {
        tangible: true,
        known: true,
        present: true,
        visible: true,
        reachable: true,
        not_player: true,
      },
      accepts_preposition: true,
      accepts_preposition_without_noun: true,
      accepts_direction: true,
    },

    /**
     * @memberof climb
     * @ajsverbphrase
     * phrase2:
     * {
     *   accepts_noun: true,
     *   accepts_preposition: true,
     *   noun_must_be:
     *   {
     *     tangible: true,
     *     known: true,
     *     present: true,
     *     visible: true,
     *     reachable: true,
     *   },
     * },
     */
    phrase2: {
      accepts_noun: true,
      noun_must_be: {
        tangible: true,
        known: true,
        present: true,
        visible: true,
        reachable: true,
      },
      accepts_preposition: true,
      accepts_these_prepositions: ["with", "to"],
    },

    /**
     * @memberof climb
     * @ajsverbparams
     * with_params: {},
     */
    with_params: {},

    in_can_mean_on: true,

    doTry: function () {
      var input = this.game.getInput();
      var direct_object = input.getAsset(1);
      var direct_preposition = input.getPreposition(1);
      var player = this.game.getPlayer();
      var nest_asset = player.getNestAsset();
      var msg = "";

      // --------------------------------------------------
      // sentence structure: verb
      // ex: climb
      // --------------------------------------------------
      if (input.hasStructure("verb")) {
        // if climb was entered without any preposition or object,
        // assume up and try to get an object
        if (nest_asset) {
          // up or down?
          let h = nest_asset.dimensions.height;
          let y = nest_asset.position.y;
          let py = player.position.y;
          if (py >= y + h) input.setPreposition(1, "down");
          else input.setPreposition(1, "up");

          // update input
          input.setAsset(1, nest_asset);
          input.setStructure("verb preposition noun");
          direct_object = input.getAsset(1);
          direct_preposition = input.getPreposition(1);
          this.game.printInferred(
            `${direct_preposition} ${direct_object.articlename}`
          );
        } else {
          // prompt for a direct object
          input.setSoftPrompt({
            index: 1,
            type: "noun",
            noun1: true,
          });
          this.game.debug(
            `D1177 | ${this.name}.js | no noun provided or inferrable, soft prompt noun1`
          );
          msg += `What would $(we) like to climb? `;
          this.handleFailure(msg);
          return null;
        }
      } // verb

      // --------------------------------------------------
      // pass to go
      // --------------------------------------------------
      return this.game.dictionary.doVerb("go");
    },

    doSuccess: function () {
      return this.handleSuccess();
    },
  }; // END p.preverbs.push
})();