angularService("$window", bind(window, identity, window));

var URL_MATCH = /^(file|ftp|http|https):\/\/(\w+:{0,1}\w*@)?([\w\.]*)(:([0-9]+))?([^\?#]+)(\?([^#]*))?((#([^\?]*))?(\?([^\?]*))?)$/;
var DEFAULT_PORTS = {'http': 80, 'https': 443, 'ftp':21};
angularService("$location", function(){
  var scope = this;
  function location(url){
    if (isDefined(url)) {
      var match = URL_MATCH.exec(url);
      if (match) {
        location.href = url;
        location.protocol = match[1];
        location.host = match[3] || '';
        location.port = match[5] || DEFAULT_PORTS[location.href] || null;
        location.path = match[6];
        location.search = parseKeyValue(match[8]);
        location.hash = match[9];
        if (location.hash) location.hash = location.hash.substr(1);
        location.hashPath = match[11] || '';
        location.hashSearch = parseKeyValue(match[13]);
      }
    }
    var hashKeyValue = toKeyValue(location.hashSearch);
    return location.href +
      (location.hashPath ? location.hashPath : '') +
      (hashKeyValue ? '?' + hashKeyValue : '');
  };
  this.$config.location.watch(function(url){
    location(url);
  });
  location(this.$config.location.get());
  this.$onEval(PRIORITY_LAST, function(){
    var href = location();
    if (href != location.href) {
      scope.$config.location.set(location());
      location.href = href;
    }
  });
  return location;
});