// joinPhrasalVerbPrepNouns.js

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

  var p = adventurejs.Parser.prototype;

  /**
   * <p>
   * Search input for verb phrases in the format of
   * "verb prep noun".
   * We compare the input string against entries in
   * dictionary.verb_prep_nouns,
   * which was populated by Verb definitions.
   * If we find a set of words that match an entry,
   * we save a record for use with future verb logic.
   * </p>
   * <p>
   * For example:<br>
   * <code class="property">"look in desk"</code>
   * is identified as
   * <code class="property">"lookIn desk"</code>
   * </p>
   * @memberOf adventurejs.Parser
   * @method adventurejs.Parser#joinPhrasalVerbPrepNouns
   * @param {String} input Player input.
   * @returns {String}
   */
  p.joinPhrasalVerbPrepNouns = function Parser_joinPhrasalVerbPrepNouns(input) {
    for (var i = 0; i < this.dictionary.verb_prep_nouns.length; i++) {
      var verb_phrase = this.dictionary.verb_prep_nouns[i][0];
      var verb_id = this.dictionary.verb_prep_nouns[i][1];
      var verb = verb_phrase.split(" ")[0];

      // search anywhere in string
      //var search = "\\b"+verb_phrase+"\\b";

      // only search beginning of string
      // important for cases like "put plug in sink" so we don't concat "plugIn"
      var search = "^(\\b" + verb_phrase + "\\b)";
      var regex = new RegExp(search, "g");
      var replaced = input.replace(regex, verb_id);

      if (replaced !== input) {
        // save a record of the original input
        this.input_history[0].input_verb = verb_id;
        this.input_history[0].verb_phrase = verb_phrase;
        this.input_history[0].verb_phrasal_pattern = "verb_prep_noun";

        // this version replaces the verb with the verb phrase
        input = replaced;

        // this version replaces the verb with the verb id
        // if (verb !== verb_id) {
        //   input = input.replace(verb, verb_id);
        // }
        break;
      }
    }

    this.game.log(
      "L1280",
      "log",
      "high",
      "joinPhrasalVerbPrepNouns.js > return: " + input,
      "Parser"
    );
    return input;
  };
})();