$(window).load(function() {

	var map;
	var points = new Array();
	var markers = new Array();
	var current_line;
	var current_linemarker;
	var geocoder;
	var where_marker;
	var where_info;

	var edit_mode = false;

	var current_status = -1;

	initMap();

	$('#all_status_cb').change(function() {
		statuses = [-10, 0, 10, 20, 30, 40, -20];
		for (i=0; i < statuses.length; i++) {
			$('#status_cb_' + statuses[i]).attr('checked', $(this).attr('checked'));
		}
    });

	//$('#left_status_sel').bind('change', function(event) {
	   //current_status = $('option:selected', this).val();
	//});

    infowindow = new google.maps.InfoWindow({
        content: '<div id="_marker_info" class="marker_info"></div>'
    });

	function initMap() {
        jQuery.getJSON('/save_map_center.php', function(data) {
            lat = data.lat;
            if (!lat) {
                lat = 54.610254981579146;
            }
            lng = data.lng;
            if (!lng) {
                lng = 39.7265625;
            }
            zoom = data.zoom;
            if (!zoom) {
                zoom = 10;
            }
            map_center = new google.maps.LatLng(lat, lng);

    		map = new google.maps.Map(document.getElementById('map'), {
    			center: map_center,
    			mapTypeId: google.maps.MapTypeId.HYBRID,
    			zoom: zoom
    		});

            geocoder = new google.maps.Geocoder();
            where_marker = new google.maps.Marker({ map: map, visible: false });
            where_info = new google.maps.InfoWindow();

    		loadOverlays();

       		google.maps.event.addListener(map, 'zoom_changed', function() {
                saveMapPosition();
            });
       		google.maps.event.addListener(map, 'center_changed', function() {
                saveMapPosition();
            });
            $('#_goto_start_position').click(function() {
                map.setCenter(new google.maps.LatLng(54.610254981579146, 39.7265625));
                map.setZoom(10);
                where_marker.setVisible(false);
                where_info.close();
            });

    	});
	}

	function createIcon(status, categ) {
		markerIcon = new google.maps.MarkerImage('/img/markers/' + status + '_' + categ + '.png',
		    new google.maps.Size(25,25),
		    new google.maps.Point(0,0),
		    new google.maps.Point(12,20));

		return markerIcon;
	}

	function createAreaIcon() {
		markerIcon = new google.maps.MarkerImage('/img/markers/trash.gif',
		    new google.maps.Size(25,31),
		    new google.maps.Point(0,0),
		    new google.maps.Point(12,25));

		return markerIcon;
	}

	$('#_refresh_btn').click(function(e) {
		clearOverlays();
		points = new Array();
		markers = new Array();
		loadOverlays();
	});


	function addMarkerListeners(marker) {
		google.maps.event.addListener(marker, "click", function(latlng) {
            infowindow.open(map, marker);
    	    loadMarkerView(marker, infowindow);
		});
	}

	function loadMarkerView(marker, infowindow) {
        infowindow.setContent('<center><div id="_message_div" class="red_message" style="height:200px;">Идет загрузка...</div></center>');
    	url = 'obj_view.php?id=' + marker.id;
		jQuery.get(url, {}, function(data) {
            infowindow.setContent(data);
		});
	}

	function loadAreaView(marker, infowindow) {
        infowindow.setContent('<center><div id="_message_div" class="red_message" style="height:200px;">Идет загрузка...</div></center>');
    	url = 'a_view.php?id=' + marker.id;
		jQuery.get(url, {}, function(data) {
            infowindow.setContent(data);
		});
	}

	function saveMapPosition() {
	   map_center = map.getCenter();
	   lat = map_center.lat();
	   lng = map_center.lng();
	   zoom = map.getZoom();
	   jQuery.getJSON('/save_map_center.php',
	   { lat: lat, lng: lng, zoom: zoom },
	   function() {

	   });
	}

//==================================================================================
	function loadOverlays() {
		categories = new Array();
		sel_categs = "0";
		categories = [10, 20, 30];
		for (i=0; i<categories.length; i++) {
			if ($('#left_cb_' + categories[i]).attr('checked')) {
				sel_categs = sel_categs + "," + categories[i];
			}
		}

		statuses = new Array();
		sel_statuses = "-99";
		statuses = [-10, 0, 10, 20, 30, 40, -20];
		for (i=0; i < statuses.length; i++) {
			if ($('#status_cb_' + statuses[i]).attr('checked')) {
				sel_statuses = sel_statuses + "," + statuses[i];
			}
		}
		getData('/map_data.php?categs=' + sel_categs + '&statuses=' + sel_statuses + '&rnd=' + Math.random());
	}

	function getData(url) {
	    $.getJSON(url, function(data) {
	       markers = new Array();
	        $.each(data, function(idx, item) {
                var marker = new google.maps.Marker({
                        position: new google.maps.LatLng(parseFloat(item.lat), parseFloat(item.lng)),
                    	icon: createIcon(item.status, item.categ),
                    	draggable: false
                    });
                marker.id = parseInt(item.id);
                marker.cid = markers.length;
                marker.categ = parseInt(item.categ);
                marker.name = item.name;

                //markers[marker.cid] = marker;
                addMarkerListeners(marker);
                markers.push(marker);
            });
/*
    	    $.getJSON('/map_area_data.php?rnd=' + Math.random(), function(data) {
    	        $.each(data, function(idx, item) {
                    var marker = new google.maps.Marker({
                            position: new google.maps.LatLng(parseFloat(item.lat), parseFloat(item.lng)),
                        	icon: createAreaIcon(),
                        	draggable: false
                        });
                    marker.id = parseInt(item.id);
                    marker.cid = markers.length;
                    marker.categ = parseInt(item.categ);
                    marker.name = item.name;

            		google.maps.event.addListener(marker, "click", function(latlng) {
                        infowindow.open(map, marker);
                	    loadAreaView(marker, infowindow);
            		});

                    markers.push(marker);
                });
    	    });
*/
                mapStart();
	    });
	}

    function mapStart() {
        if (markers) {
            for (i in markers) {
                markers[i].setMap(map);
            }
        }
    }

    function clearOverlays() {
        if (markers) {
            for (i in markers) {
                markers[i].setMap(null);
            }
            markers.length = 0;
        }
    }

    //Поиск на карте

    $('#search_form').submit(function() {
        var address = $('#search_input').val() + ', Рязанская обл.';
        where_marker.setVisible(false);
        geocoder.geocode( { 'address': address }, function(results, status) {
            if (status == google.maps.GeocoderStatus.OK) {
                map.setCenter(results[0].geometry.location);
                where_marker.setPosition(results[0].geometry.location);
                where_marker.setVisible(true);
                where_info.setContent(results[0].formatted_address);
                where_info.open(map, where_marker);

            }
            else {
                alert('Адрес "' + address + '" не найден.');
            }
        });
    });
	
	$('#searchpoint_form').submit(function() {
		var id = parseInt($('#searchpoint_input').val());
		for (i in markers) {
			if (markers[i].id == id) {
				map.setCenter(markers[i].position);
				infowindow.open(map, markers[i]);
				loadMarkerView(markers[i], infowindow);
				return;
			}
		}
        alert('Свалка #' + id + ' не найдена среди точек на карте. Попробуйте включить все статусы.');
	});
});