//clone.js
/*global adventurejs A*/
"use strict";

/**
 * A deep clone function for simple object types.
 * @method adventurejs#clone
 * @memberOf adventurejs
 * @param {Object} source
 * @returns {Object} output
 */
adventurejs.clone = function Adventurejs_clone(source) {
  //this.game.log( "log", "high", "clone(, 'CopyOperations' )" );

  var dest;

  // Handle the 3 simple types, and null or undefined
  if (null == source || "object" != typeof source) return source;

  // Handle Date - not using dates
  // if (source instanceof Date) {
  //     dest = new Date();
  //     dest.setTime(source.getTime());
  //     return dest;
  // }

  // Handle Array
  if (source instanceof Array) {
    dest = [];
    for (var i = 0, len = source.length; i < len; i++) {
      dest[i] = A.clone.call(this, source[i]);
    }
    return dest;
  }

  // Handle Function
  if (source instanceof Function) {
    var stringified = source.toString();
    dest = eval("(" + stringified + ")");

    return dest;
  }

  // Handle Object
  if (source instanceof Object) {
    if (source.class && adventurejs[source.class]) {
      dest = new adventurejs[source.class](source.name, this.game_name);
    } else {
      dest = {};
    }
    for (var property in source) {
      if (Object.prototype.hasOwnProperty.call(source, property)) {
        dest[property] = A.clone.call(this, source[property]);
      }
    }
    return dest;
  }
  throw new Error(
    "clone.js unable to copy source because its type isn't supported."
  );
};

// another cloning tool
// http://www.eslinstructor.net/jsonfn/

// might also try lodash