// patchVerb.js

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

  var p = adventurejs.Dictionary.prototype;

  /**
   * A method to allow authors to revise predefined verbs.
   * @memberOf adventurejs.Dictionary
   * @method adventurejs.Dictionary#patchVerb
   * @param {Object} patchVerb
   */
  p.patchVerb = function (patchVerb) {
    if ("object" !== typeof patchVerb) {
      var msg =
        "Dictionary.patchVerb takes an object, but received " +
        typeof patchVerb +
        ": " +
        patchVerb;
      this.game.log("L1323", "warn", "critical", msg, "dictionary");
      return false;
    }
    if ("undefined" === typeof patchVerb.name) {
      var msg =
        "Dictionary.patchVerb received an object without a name: " +
        JSON.stringify(patchVerb);
      this.game.log("L1324", "warn", "critical", msg, "dictionary");
      return false;
    }
    if ("undefined" === typeof this.verbs[patchVerb.name]) {
      var msg =
        "Dictionary.patchVerb received a verb name that doesn't exist: " +
        patchVerb.name;
      this.game.log("L1325", "warn", "critical", msg, "warning");
      return false;
    }
    var verb = this.verbs[patchVerb.name];

    // add new synonyms, if any, to verb lookup
    // does not allow removal of existing words
    if (patchVerb.synonyms) {
      this.game.dictionary.verb_lookup[verb.name].synonyms =
        this.game.dictionary.verb_lookup[verb.name].synonyms.concat(
          patchVerb.synonyms
        );
    }

    verb.set(patchVerb); // copy incoming props to existing verb

    verb.initialize();

    if (false !== verb) {
      this.game.log(
        "L1326",
        "log",
        "medium",
        "patchVerb successfully patched verb " + verb.name + ".",
        "dictionary"
      );
    }
    return verb;
  };
})();