//#include "Permalink.js

// patch to not encode URL (beside 'layer', better readable/hackable, Browser can handle)
L.Control.Permalink.include({
	_update_href: function() {
		//var params = L.Util.getParamString(this._params);
		var params = this.getParamString(this._params);

		var sep = '?';
		if (this.options.useAnchor) sep = '#';
		var url = this._url_base + sep + params.slice(1);
		if (this._href) this._href.setAttribute('href', url);
		if (this.options.useLocation)
			location.replace('#' + params.slice(1));
		return url;
	},
          
	getParamString: function (obj, existingUrl, uppercase) {
		var params = [];
		for (var i in obj) {
      // do encode layer (e.g. spaces)
      if (i === 'layer') {
        params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
      } else {
        params.push(uppercase ? i.toUpperCase() : i + '=' + obj[i]);
      }
		}
		return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
	}
});


L.Control.Permalink.include({

	initialize_routing: function() {
		this.on('update', this._set_routing, this);
		this.on('add', this._onadd_routing, this);
	},

	_onadd_routing: function(e) {
    this.options.routingOptions.on('update', this._update_routing, this);
    this.options.nogos.on('update', this._update_routing, this);
    // waypoint add, move, delete (but last)
    this.options.routing.on('routing:routeWaypointEnd', this._update_routing, this);
    // delete last waypoint
    this.options.routing.on('waypoint:click', function(evt) {
        var r = evt.marker._routing;
        if (!r.prevMarker && ! r.nextMarker) {
            this._update_routing(evt);
        }
    }, this);
	},

	_update_routing: function(evt) {
    var router = this.options.router,
        routing = this.options.routing,
        latLngs;

    if (evt && evt.options) {
      router.setOptions(evt.options);
    }

    latLngs = routing.getWaypoints();
    this._update(router.getUrlParams(latLngs));
	},

	_set_routing: function(e) {
    var router = this.options.router,
        routing = this.options.routing,
        routingOptions = this.options.routingOptions,
        nogos = this.options.nogos;

    var opts = router.parseUrlParams(e.params);
    router.setOptions(opts);
    routingOptions.setOptions(opts);
    nogos.setOptions(opts);
    
    if (opts.lonlats) {
        routing.draw(false);
        routing.clear();
        routing.setWaypoints(opts.lonlats);
    }
  }
});