var data = {"count":15,"installations":[{"hp_type_name":"Vzduch-voda: split","longitude":"20.1854134","latitude":"49.0753937","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Batizovce","year":"2025","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.4153122","latitude":"48.7421193","company_name":"VKH s.r.o.","company_id":"54328829","locality":"\u010eur\u010fo\u0161\u00edk","year":"2025","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.4669534","latitude":"48.7934648","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Her\u013eany","year":"2022","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.3331274","latitude":"49.0437129","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Kapu\u0161any","year":"2025","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.7507445","latitude":"48.8870105","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Kladzany","year":"2023","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"22.2525297","latitude":"48.9617247","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Kolonica","year":"2022","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.4801985","latitude":"48.7628462","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Ni\u017en\u00e1 Kamenica","year":"2025","supplier":"Elektroklima"},{"hp_type_name":"Vzduch-voda: tepl\u00e1, sanit\u00e1rna voda","longitude":"18.447663","latitude":"49.1131198","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Pova\u017esk\u00e1 Bystrica","year":"2024","supplier":"Microwell"},{"hp_type_name":"Vzduch-voda: split","longitude":"18.447663","latitude":"49.1131198","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Pova\u017esk\u00e1 Bystrica","year":"2024","supplier":"Microwell"},{"hp_type_name":"Vzduch-vzduch: split","longitude":"21.2393119","latitude":"49.0018324","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Pre\u0161ov","year":"2023","supplier":"Microwell"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.2763694","latitude":"49.02631","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Pre\u0161ov","year":"2022","supplier":"Elektroklima"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.3192148","latitude":"49.1462024","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Raslavice","year":"2022","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"20.5323841","latitude":"48.6561405","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Ro\u017e\u0148ava","year":"2022","supplier":"Elektroklima"},{"hp_type_name":"Vzduch-voda: kompakt","longitude":"21.7196681","latitude":"48.6292658","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Trebi\u0161ov","year":"2024","supplier":"Klimavex"},{"hp_type_name":"Vzduch-voda: split","longitude":"21.0609128","latitude":"49.0902545","company_name":"VKH s.r.o.","company_id":"54328829","locality":"Uzovsk\u00fd \u0160algov","year":"2023","supplier":"Microwell"}]};
var filteredLocalities = {};
var map = undefined;
var locality = ''
var lastLatitude = 48.69096039092549;
var lastLongitude = 19.632568359375;
var lastZoom = 7

function initialize() {
	var center = new google.maps.LatLng(lastLatitude, lastLongitude);
	map = new google.maps.Map(document.getElementById('map'), {
		zoom: lastZoom,
		center: center,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	});

	var latlngbounds = new google.maps.LatLngBounds();
	var markers = [];
	for (var i = 0; i < data.installations.length; i++) {
		var dataInstallation = data.installations[i];
		var latLng = new google.maps.LatLng(dataInstallation.latitude,
			dataInstallation.longitude);
		var marker = new google.maps.Marker({
			position: latLng
		});
		markers.push(marker);
		latlngbounds.extend(latLng);
	}
	var options = { imagePath: 'images/markerclusterer/m' };
	var markerCluster = new MarkerClusterer(map, markers, options);
	map.setCenter(latlngbounds.getCenter());
	map.fitBounds(latlngbounds);
	google.maps.event.addListener(map, 'idle', function() {
		updateCompaniesList(map);
	});
}

function updateCompaniesList(map) {
	var lat1 = map.getBounds().getNorthEast().lat();
	var lng1 = map.getBounds().getNorthEast().lng();
	var lat0 = map.getBounds().getSouthWest().lat();
	var lng0 = map.getBounds().getSouthWest().lng();

	var hpTypeCounts = {};
	var localityCounts = {};
	var supplierCounts = {};
	var companyCounts = {};

	var rows = [];
	filteredLocalities = {};
	for (var i = 0; i < data['count']; i++) {
		var installation = data['installations'][i];
		var lng = installation['longitude'];
		var lat = installation['latitude'];

		if (lng >= lng0 && lng <= lng1 && lat >= lat0 && lat <= lat1) {
			if (installation.hp_type_name) {
				var key = '<a href="/a/databaza/hp_installations_map?company_id=54328829&hp_type_name=REPLACE&locale=en_GB">'.replace("REPLACE", installation.hp_type_name)
					+ installation.hp_type_name + '</a>';
				if (hpTypeCounts[key]) {
					hpTypeCounts[key]++;
				} else {
					hpTypeCounts[key] = 1;
				}
			}

			if (installation.locality) {
				var key = '<a href="/a/databaza/hp_installations_map?company_id=54328829&locality=REPLACE&locale=en_GB">'.replace("REPLACE", installation.locality)
					+ installation.locality + '</a>';
				if (localityCounts[key]) {
					localityCounts[key]++;
				} else {
					localityCounts[key] = 1;
				}
			}

			if (installation.company_name) {
				var key = '<a href="/a/databaza/hp_installations_map?company_id=REPLACE&locale=en_GB">'.replace("REPLACE", installation.company_id)
					+ installation.company_name + '</a>';
				if (companyCounts[key]) {
					companyCounts[key]++;
				} else {
					companyCounts[key] = 1;
				}
			}

			if (installation.supplier) {
				var key = '<a href="/a/databaza/hp_installations_map?company_id=54328829&supplier=REPLACE&locale=en_GB">'.replace("REPLACE", installation.supplier)
					+ installation.supplier + '</a>';
				if (supplierCounts[key]) {
					supplierCounts[key]++;
				} else {
					supplierCounts[key] = 1;
				}
			}
		}
	}

	jQuery('#hp_type_counts').html(
		countDictionaryToTable(hpTypeCounts)
	);

	jQuery('#locality_counts').html(
		countDictionaryToTable(localityCounts)
	);

	jQuery('#company_counts').html(
		countDictionaryToTable(companyCounts)
	);

	jQuery('#supplier_counts').html(
		countDictionaryToTable(supplierCounts)
	);
}

function countDictionaryToTable(counts) {
	return Object.keys(counts).sort(function(a,b) {
		return counts[b] - counts[a];
	}).map(function (key) {
		return '<tr><th style="text-align: right; font-weight: bold;">' + key + '</th><td>' + counts[key] + '</td></tr>';
	}).join('');
}

function showAll() {
	setMapPosition(48.69096039092549, 19.632568359375, 7);
}

function setMapPosition(lat, lng, zoom) {
	if (lat != lastLatitude || lng != lastLongitude)
		map.setCenter(new google.maps.LatLng(lat, lng));
	lastLatitude = lat;
	lastLongitude = lng;
	if (zoom != map.getZoom())
		map.setZoom(zoom);
}

google.maps.event.addDomListener(window, 'load', initialize);