namespace.js

/*global define:false, require:false */

define(['./extend'], function (extend) {
	'use strict';
  var  _spaces = {}; 
  
  function namespace ( str ) {
    var  args = Array.prototype.slice.call(arguments,1)
        ,i = 0
        ,base = window
        ,shards,length;
    
    if (!str) {
      return;
    }

    if (str.indexOf("::") >= 0) {
      shards = str.split("::");
      base = window[shards[0]] = window[shards[0]] || {};
      str = shards[1];
    }
    
    str = str.split('.');     
    
    length = str.length;
    for (i=0;i<length;i++) {
      base = base[str[i]] = base[str[i]] || {};
    }
    
    if (arguments.length > 1 && Object.extend) {
      base = extend.call(base, args);
    }

    return base;
  };

  // todo: Utilize the define property of namespace to cache/reference
  //       namespaces. This is for future use
  // method: define || alias?
  //
  // namespace.define = function(str,obj){
  //   spaces[str] = obj;
  // };

  return namespace;
});