var map;
var markers = new Array();

var numMarkers = 5000;
var numRoutes = 10;
var bestDirection = null;
var succeeded = 0;
var failed = 0;
var plottedDirections = null;

var isInitialized = false;

// Default view
var defaultViewLat = 59.336746;
var defaultViewLng = 18.06648; 
var defaultViewZoomLevel = 7;

//var lang = new Array();
//lang['sv'] = new Array();
//lang['en'] = new Array();
//lang['sv']['getDirections'] = "Hitta hit";
//lang['en']['getDirections'] = "Get directions";

function initialize() {
	if (google.maps.BrowserIsCompatible()) {
	
	    //console.log('initialize()');
		var options = {};
		options.size = new GSize(675, 500);

		map = new google.maps.Map2(document.getElementById("map_canvas"), options);
		map.setCenter(new google.maps.LatLng(defaultViewLat, defaultViewLng), defaultViewZoomLevel);
		map.setUIToDefault();


		if (numMarkers > points.length) {
			numMarkers = points.length;
		}

	    for (var i = 0; i < numMarkers; i++) {
	        var lat = points[i][0];
	        var lng = points[i][1];

	        // //console.log(lat + " - " + lng);

	        var marker = new google.maps.Marker(new google.maps.LatLng(lat, lng));
	        marker.info = points[i];
	        // map.addOverlay(marker);
	        markers[i] = marker;
	    }
	    document.getElementById('findButton');
	    
	    if (toDestination != null && toDestination != "") {
	        //console.log("Plottoing direction do: " + fromAddress + ' ' + fromZip + ', to: ' + toDestination);
	        if (plottedDirections == null) {
	            //plottedDirections = new google.maps.Directions(map, descDiv);
	            plottedDirections = new google.maps.Directions(map, document.getElementById("routes_desc"));
	        }
	        //google.maps.Event.addListener(plottedDirections, "error", handleErrors);
	        GEvent.addListener(plottedDirections, "error", handleErrors);


	        plottedDirections.load("from:" + fromAddress + " " + fromZip + ", to: " + toDestination);
	        //console.log("direction plotted");
	    }

		this.isInitialized = true;
	    //console.log("Init done!");
	}
}


function finalizeSearch(descDivId)
{
	//console.log('succeeded: ' + succeeded);
	//console.log('failed: ' + failed);
	//console.log(descDivId);
	//console.log('best: ' + bestDirection.getDistance().meters + ' meters');
	
	directions = new google.maps.Directions(map, document.getElementById(descDivId));
	
	google.maps.Event.addListener(directions, "load", function() {
		//console.log('final success');
	});
	
	
	directions.load("from:" + street + " " + zip + ", to: " + markers[i].getLatLng());
}


function handleErrors() {
    if (plottedDirections.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
        alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + plottedDirections.getStatus().code);
    else if (plottedDirections.getStatus().code == G_GEO_SERVER_ERROR)
        alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + plottedDirections.getStatus().code);

    else if (plottedDirections.getStatus().code == G_GEO_MISSING_QUERY)
        alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + plottedDirections.getStatus().code);

    //   else if (plottedDirections.getStatus().code == G_UNAVAILABLE_ADDRESS)  <--- Doc bug... this is either not defined, or Doc is wrong
    //     alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + plottedDirections.getStatus().code);

    else if (plottedDirections.getStatus().code == G_GEO_BAD_KEY)
        alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + plottedDirections.getStatus().code);

    else if (plottedDirections.getStatus().code == G_GEO_BAD_REQUEST)
        alert("A directions request could not be successfully parsed.\n Error code: " + plottedDirections.getStatus().code);

    else alert("An unknown error occurred.");

}



function success(dir)
{
	succeeded++;
	
	if (bestDirection == null || bestDirection.getDistance().meters > dir.getDistance().meters) {
		//console.log('New best: ' + dir.getDistance().meters);
		bestDirection = dir;
	}
}

function failiure(dir)
{
	//console.log('failed with code: ' + dir.getStatus().code);
	//console.log(dir.getStatus().code);

	failed++;
}

function checkProximity(street, zip, descDivId, index)
{
	var i = index;
	var sleep = 100;

	if (i < numMarkers) {
		//directions = new google.maps.Directions(map, document.getElementById(descDivId));
		directions = new google.maps.Directions();
		
		
		if (i == numMarkers - 1) {
			
			google.maps.Event.addListener(directions, "load", function() {
				success(this);
				setTimeout("finalizeSearch('" + descDivId + "')", sleep * 2); 
			});

			google.maps.Event.addListener(directions, "error", function() {
				failiure(this);
				setTimeout("finalizeSearch('" + descDivId + "')", sleep * 2); 
			});
		} else {
			
			google.maps.Event.addListener(directions, "load", function() {
				success(this);
			});

			google.maps.Event.addListener(directions, "error", function() {
				failiure(this);
			});
		}
		

		//console.log('loading');
		directions.load("from:" + street + " " + zip + ", to: " + markers[i].getLatLng());

		setTimeout("checkProximity('" + street + "', '" + zip + "', '" + descDivId + "',  " + (index + 1) + ")", sleep); 
	}
	
}



function getStoreInfos(ids)
{
	//Get full store info with ajax
	
	var first = true;
	var url = 'some.server.se/positions/get.php';
	
	for (var i = 0; i < ids.length; i++) {
		if (first) {
			url += '?';
			first = false;	
		} else {
			url += '&';
		}
		
		url += ('positions[]=' + ids[i]);
	}
	// console.log(url);
}



function findCloseStores(street, zip, allDescsDivId, descDivId) {

    if (!isInitialized) {
        alert("ERROR: initialize() has not been called");
        return; 
    }

    zip = zip.replace("/ /g");

	var startTime = (new Date()).getTime();
	var closest = new Array();

	for (var i = 0; i < numRoutes; i++) {
		closest[i] = null;
	}
	
	document.getElementById(descDivId).innerHTML = "";
	document.getElementById(allDescsDivId).innerHTML = "";
	map.clearOverlays();
	
	var clientEncoder = new google.maps.ClientGeocoder();
	var start = null;
	var worstOnToplist = null;
	var bestOnToplist = null;

	var countryName = "";

	if (mapLanguage == "sv") {
	    countryName = ", Sverige";
	}
	else if (mapLanguage = "de") {
	    countryName = ", Deutschland";
	}

	clientEncoder.getLatLng(street + " " + zip + countryName, function (point) {
	    //console.log(point);
	    start = point;

	    for (var i = 0; i < numMarkers; i++) {

	        var dist = start.distanceFrom(markers[i].getLatLng());
	        var j = 0;

	        while (j < numRoutes) {
	            if (closest[j] == null || dist < start.distanceFrom(closest[j].getLatLng())) {

	                var k = numRoutes - 1;
	                while (k >= j) {
	                    closest[k] = closest[k - 1];
	                    k--;
	                }

	                closest[j] = markers[i];

	                break;
	            }
	            j++;
	        }
	    }

	    var bounds = new google.maps.LatLngBounds();

	    for (var i = 0; i < closest.length; i++) {

	        bounds.extend(closest[i].getLatLng());
	        var distaneText = (start.distanceFrom(closest[i].getLatLng()) / 1000) + ' km';

	        var directions = new google.maps.Directions();

	        try {
	            google.maps.Event.addListener(directions, "load", function () {
	                var latLng = this.getMarker(1).getLatLng();
	                if (this.link) {
	                    this.link.innerHTML = this.link.innerHTML + ', By car: ' + this.getDistance().html;
	                }
	            });
	        } catch (Error) { }

	        google.maps.Event.addListener(directions, "error", function () {
	            //console.log('failiure');
	        });

	        directions.load("from:" + street + " " + zip + ", to: " + closest[i].getLatLng());

	        var tmp = closest[i].getLatLng();
	        closest[i].queryParams = encodeUrl('?address=' + street + '&zip=' + zip + '&to=' + tmp);

	        var infoText = '';

	        try {
	            // Info som visas vid click
	            google.maps.Event.addListener(closest[i], "click", function () {
	                //PageMethods.GetServerTime(ScriptCallback);

	                this.openInfoWindowHtml("<strong>" + this.info[3] + " </strong><br />"  // Title
			        + this.info[4] + ", " + this.info[6] + " " + this.info[5] + "<br />" // Address
			        + this.info[7] + "<br />"
			        + this.info[8] + this.info[9] + this.info[10] + this.info[11] + this.info[12] + "<br /><br />"
			        + '<a href="' + pageUrl + this.queryParams + '">' + linkText + '</a>'

			        );
	            });
	        } catch (Error) { }

	        map.addOverlay(closest[i]);

	    }
	    map.setCenter(bounds.getCenter());
	    map.setZoom(map.getBoundsZoomLevel(bounds));
	}) 
}


function showShortestRoute(pos, descDivId) {
    //var descDiv = document.getElementById(descDivId);
    var descDiv = document.parent.getElementById(descDivId);
    descDiv.innerHTML = "";

    if (plottedDirections == null) {
        plottedDirections = new google.maps.Directions(map, descDiv);
    }

    plottedDirections.load("from:" + street + " " + zip + ", to: " + this.pos);
}


function encodeUrl(url)  
{  
    if (url.indexOf("?")>0)  
    {  
        encodedParams = "?";  
        parts = url.split("?");  
        params = parts[1].split("&");  
        for(i = 0; i < params.length; i++)  
        {  
            if (i > 0)  
            {  
                encodedParams += "&";  
            }  
            if (params[i].indexOf("=")>0) //Avoid null values  
            {  
                p = params[i].split("=");  
                encodedParams += (p[0] + "=" + escape(encodeURI(p[1])));  
            }  
            else  
            {  
                encodedParams += params[i];  
            }  
        }  
        url = parts[0] + encodedParams;  
    }  
    return url;  
}