///* global PositionError */
//
////////////////////////////////////////////////
////  GPS and terrain stuff
////////////////////////////////////////////////
//
///**
// * Handles GPS and terrain data.
// */
//
//// Globals
//lockGot = false;
//terrainGot = false;
//latitude = 0.0000;
//longitude = 0.0000;
//gpsaccuracy = 9999;
//// End Globals
//
//var lastgpstime = 0;
//var terraintypeid = 0;
//var map = L.map('map');
//var tileurl = "http://tile.stamen.com/terrain/{z}/{x}/{y}.jpg";
//map.setZoom(17);
//map.dragging.disable();
////map.touchZoom.disable();
////map.doubleClickZoom.disable();
////map.scrollWheelZoom.disable();
//map.keyboard.disable();
//$(".leaflet-control-zoom").css("visibility", "hidden");
//// Disable tap handler, if present.
////if (map.tap) {
////    map.tap.disable();
////}
//
//// Tile layer
//map.addLayer(new L.tileLayer(tileurl, {minZoom: 17, maxZoom: 18}));
//// Places layer
//var placeLayer = L.geoJson(
//        {"name": "Places", "type": "FeatureCollection", "features": [{"type": "Feature", "geometry": {"type": "Point", "coordinates": [0, 0]}, "properties": {"osm_id": -1, "name": null}}]},
//        {
//            onEachFeature: onPlaceTap,
//            pointToLayer: function (feature, latlng) {
//                return L.circleMarker(latlng, {
//                    radius: 14,
//                    fillColor: "#ff7800",
//                    color: "#000",
//                    weight: 1,
//                    opacity: 1,
//                    fillOpacity: 0.6
//                });
//            }
//        }).addTo(map);
//
//var lc = L.control.locate({
//    position: 'topleft', // set the location of the control
//    layer: undefined, // use your own layer for the location marker, creates a new layer by default
//    drawCircle: false, // controls whether a circle is drawn that shows the uncertainty about the location
//    follow: true, // follow the user's location
//    setView: true, // automatically sets the map view to the user's location, enabled if `follow` is true
//    keepCurrentZoomLevel: true, // keep the current map zoom level when displaying the user's location. (if `false`, use maxZoom)
//    stopFollowingOnDrag: false, // stop following when the map is dragged if `follow` is true (deprecated, see below)
//    remainActive: true, // if true locate control remains active on click even if the user's location is in view.
//    markerClass: L.circleMarker, // L.circleMarker or L.marker
//    circleStyle: {}, // change the style of the circle around the user's location
//    markerStyle: {},
//    followCircleStyle: {}, // set difference for the style of the circle around the user's location while following
//    followMarkerStyle: {},
//    icon: 'fa fa-map-marker', // class for icon, fa-location-arrow or fa-map-marker
//    iconLoading: 'fa fa-spinner fa-pulse', // class for loading icon
//    iconElementTag: 'span', // tag for the icon element, span or i
//    circlePadding: [0, 0], // padding around accuracy circle, value is passed to setBounds
//    metric: true, // use metric or imperial units
//    onLocationError: function (err) {
//    }, // define an error callback function
//    onLocationOutsideMapBounds: function (context) { // called when outside map boundaries
//    },
//    showPopup: false, // display a popup when the user click on the inner marker
//    strings: {
//        title: ".", // title of the locate control
//        metersUnit: "meters", // string for metric units
//        feetUnit: "feet", // string for imperial units
//        popup: "You are within {distance} {unit} from this point", // text to appear if user clicks on circle
//        outsideMapBoundsMsg: "You seem located outside the boundaries of the map" // default message for onLocationOutsideMapBounds
//    },
//    locateOptions: {}  // define location options e.g enableHighAccuracy: true or maxZoom: 10
//}).addTo(map);
//lc.start();
//function mapPos(lat, lon) {
//    lockGot = true;
//    hideLoading();
//    loadPlaces(latitude, longitude);
//    //map.setView(new L.LatLng(lat, lon), 16, {animate: true});
//    //map.panTo(new L.LatLng(lat, lon));
//    //map.invalidateSize();
//    //redraw('.leaflet-map-pane');
////    $('.leaflet-map-plane').css('height', '90%');
////    setTimeout(function () {
////        $('#map').css('width', '100%');
////        $('#map').css('height', '100%');
////    }, 100);
//}
//
//function onPlaceTap(feature, layer) {
//    layer.on('click', function (e) {
//        openPlace(feature);
//    });
//}
//
//function loadPlaces(lat, long) {
//    $.getJSON(
//            "http://earth.apis.netsyms.net/places.php?format=geojson&lat=" + lat + "&long=" + long + "&radius=.25&names=1",
//            function (data) {
//                if (data.type === 'FeatureCollection') {
//                    placeLayer.clearLayers();
//                    data.features.forEach(function (item) {
//                        item.properties.popupContent = "<span class='marker-popup-text' onclick='openplace(" + item.properties.osm_id + ")'>" + item.properties.name + "</span>";
//                        placeLayer.addData(item);
//                    });
//                }
//            });
//}
//
//function openPlace(feature) {
//    $('#main-content').load("screens/place.html", null, function () {
//        loadPlace(feature);
//        $('#overlay-main').css('display', 'block');
//    });
//}
//
///**
// * Hide the loading overlay if everything is loaded, otherwise do nothing
// */
//function hideLoading() {
//    if (lockGot && terrainGot && gpsaccuracy < 30 && $('#loading').css('display') !== 'none') {
//        $('#loading').fadeOut('slow', function () {
//            $('#loading').css('display', 'none');
//        });
//    }
//}
//
//var updatePosition = function (position) {
//    latitude = position.coords.latitude;
//    longitude = position.coords.longitude;
//    lastgpstime = position.timestamp;
//    gpsaccuracy = position.coords.accuracy;
//    if (gpsaccuracy > 30) {
//        $('#no-lock').css('display', 'block');
//    } else {
//        $('#no-lock').css('display', 'none');
//    }
//    mapPos(latitude, longitude);
//};
//var updateTerrain = function (position) {
//    latitude = position.coords.latitude;
//    longitude = position.coords.longitude;
//    lastgpstime = position.timestamp;
//    gpsaccuracy = position.coords.accuracy;
//    var rasterurl = "http://earth.apis.netsyms.net/terrain.php?format=json&lat="
//            + latitude + "&long=" + longitude;
//    $.get(rasterurl, function (data) {
//        if (data.status === 'OK') {
//            terraintypeid = data.typeid;
//            terraintypename = data.typename;
//            $('#terrain-image').attr('src', 'assets/terrain/' + terraintypeid + '.png');
//            terrainGot = true;
//            hideLoading();
//        }
//    }, "json").fail(function (err) {
//        $('#terrain-image').attr('src', 'assets/terrain/0.png');
//    });
//};
//function pingServer() {
//    if (lockGot && gpsaccuracy < 30) {
//        $.get(mkApiUrl('ping') + "?user=" + username + "&lat=" + latitude + "&long=" + longitude);
//    }
//}
//;
//function onError(error) {
//    $('#loading-error').text("Check your device's network and location settings, and ensure a clear view of the sky.");
//}
//
//function popGPS() {
//    navigator.notification.alert("Latitude: " + latitude +
//            "\nLongitude: " + longitude +
//            "\nAccuracy: " + gpsaccuracy +
//            "\nTerrain: " + terraintypename + " (" + terraintypeid + ")",
//            null,
//            "GPS Information",
//            "Close");
//}
//$('#terrain-image').click(function () {
//    popGPS();
//});
//// Initial GPS position and stuff
//navigator.geolocation.getCurrentPosition(updateTerrain, onError, {timeout: 10000, enableHighAccuracy: true});
//// Update position
//setInterval(function () {
//    navigator.geolocation.getCurrentPosition(updatePosition, onError, {timeout: 10000, enableHighAccuracy: true});
//}, 1000);
//// Update position + terrain
//setInterval(function () {
//    navigator.geolocation.getCurrentPosition(updateTerrain, onError, {timeout: 10000, enableHighAccuracy: true});
//    loadPlaces(latitude, longitude);
//}, 1000 * 20);
//// Ping the server with coordinates
//setInterval(pingServer, 5000);
//// Show error if it's taking too long
//setTimeout(function () {
//    onError();
//}, 15 * 1000);
//
//
////////////////////////////////////////////////
////  Profile, stats, and chat stuff
////////////////////////////////////////////////
//
//
///*
// * Handles general server communication.
// */
//
///**
// * Syncs the user's stats with the server and calls refreshStats().
// */
//function syncStats() {
//    $.getJSON(mkApiUrl('getstats'), {
//        user: username
//    }, function (data) {
//        if (data.status === 'OK') {
//            maxenergy = data.stats.maxenergy;
//            energy = data.stats.energy;
//            level = data.stats.level;
//            refreshStats();
//        }
//    });
//}
//
///**
// * Display the current stats on the home screen.
// */
//function refreshStats() {
//    energypercent = (energy * 1.0 / maxenergy * 1.0) * 100.0;
//    $('#energybar').css('width', String(energypercent) + '%');
//}
//
//function getChat() {
//    if (lockGot) {
//        $.getJSON(mkApiUrl('chat', 'cs'), {
//            lat: latitude,
//            long: longitude
//        }, function (data) {
//            data = sortResults(data, 'time', true);
//            var content = "";
//            data.forEach(function (msg) {
//                content += "<span class='chat-username' onclick='openProfile(\"" + msg.username + "\");'>" + msg.username + "</span> " + msg.message + "<br />";
//            });
//            $('#chatmsgs').html(content);
//        });
//    }
//}
//
//
//syncStats();
//setInterval(function () {
//    syncStats();
//}, 10 * 1000);
//setInterval(function () {
//    getChat();
//}, 2000);
//// Send chat messages
//$("#chatsendform").submit(function (event) {
//    message = $('#chatbox-input').val();
//    if (message !== '') {
//        $.post(mkApiUrl('chat', 'cs'), {
//            user: username,
//            lat: latitude,
//            long: longitude,
//            msg: message
//        }, function (data) {
//            if (data.status === 'OK') {
//                $('#chatbox-input').val("");
//                $("#chatmsgs").animate({scrollTop: $('#chatmsgs').prop("scrollHeight")}, 1000);
//            }
//        }, "json");
//    }
//    event.preventDefault();
//    return false;
//});
//function toggleChat() {
//    if ($('#chatmsgs').css('display') === 'none') {
//        openChat();
//    } else {
//        closeChat();
//    }
//}
//
//function closeChat() {
//    $('#chatmsgs').css('display', 'none');
//    $('#chatbox').css('height', 'auto');
//}
//
//function openChat() {
//    $('#chatbox').css('height', '50%');
//    $('#chatmsgs').css('display', 'block');
//    $("#chatmsgs").animate({scrollTop: $('#chatmsgs').prop("scrollHeight")}, 1000);
//}
//
//function openProfile(user) {
//    user = typeof user !== 'undefined' ? user : username;
//    $('#main-content').load("screens/profile.html", null, function (x) {
//        $('#overlay-main').css('display', 'block');
//        loadProfile(user);
//    });
//}
//
//function openRules() {
//    openmodal('rules', '#rules-modal');
//}
//
//function openMenu(topage) {
//    topage = typeof topage !== 'undefined' ? topage : "";
//    $('#main-content').load("screens/menu.html", null, function (x) {
//        $('#overlay-main').css('display', 'block');
//        if (topage !== '') {
//            $('#' + topage + '-tab').tab('show');
//        }
//    });
//}
//
//
//
////////////////////////////////////////////////
////  Other things
////////////////////////////////////////////////
//
//function closeMain() {
//    $('#overlay-main').slideDown(100, function () {
//        $('#overlay-main').css('display', 'none');
//        $('#main-content').html("");
//    });
//}
//
//// Handle back button to close things
//document.addEventListener("backbutton", function (event) {
//    if ($('#overlay-main').css('display') !== 'none') {
//        closeMain();
//    } else if ($('#chatmsgs').css('display') !== 'none') {
//        toggleChat();
//    }
//}, false);
//// Show the rules
//if (localStorage.getItem("seenrules") !== 'yes') {
//    openRules();
//    localStorage.setItem("seenrules", 'yes');
//}