/* ==========================================================================
    Google Maps handler
    - https://developers.google.com/maps/documentation/javascript/adding-a-google-map
 ========================================================================== */

const MapsHandler = {

    map: '',
    key: 'AIzaSyClLCFb4qo2ti2ewJo1xUMR0bx2k1u34c0',
    location: {lat: 51.6633433, lng: 5.5121956},
    styling: '',

    init: function () {
        // Get map by id
        MapsHandler.map = document.getElementById('map');

        // Check if a map is defined
        if (isset(MapsHandler.map)) {

            //create height of element
            // var mapWidth = window.getComputedStyle(MapsHandler.map).width;
            // mapWidth = parseInt(mapWidth.slice(0, -2));
            // mapHeight = mapWidth / 2;
            // if (mapHeight < 350) mapHeight = 450;
            // if (mapHeight > 450) mapHeight = 600;
            // MapsHandler.map.style.height = mapHeight + 'px';

            if (MapsHandler.map.hasAttribute('data-google-lat')) MapsHandler.location.lat = parseFloat(MapsHandler.map.getAttribute('data-google-lat'));
            if (MapsHandler.map.hasAttribute('data-google-lng')) MapsHandler.location.lng = parseFloat(MapsHandler.map.getAttribute('data-google-lng'));

            MapsHandler.setCustomStyling();

            // See if google variable exists
            if (typeof (google) == 'undefined' || typeof (google.maps) == 'undefined') {
                // Load external script
                getScript('https://maps.googleapis.com/maps/api/js?key=' + MapsHandler.key, MapsHandler.drawMap);
            } else {
                MapsHandler.drawMap()
            }

        }
    },

    drawMap: function () {
        // Create a map
        const map = new google.maps.Map(MapsHandler.map, {
            zoom: 13,
            center: MapsHandler.location,
            disableDefaultUI: true,
            styles: MapsHandler.styling
        });
        // Add a marker
        const marker = new google.maps.Marker({
            position: MapsHandler.location,
            map: map,
            icon: '/img/googleMapsMarker.svg'
        });
    },

    setCustomStyling: function () {

        MapsHandler.styling = [
            {
                "featureType": "administrative",
                "elementType": "all",
                "stylers": [
                    {
                        "visibility": "on"
                    },
                    {
                        "lightness": 33
                    }
                ]
            },
            {
                "featureType": "landscape",
                "elementType": "all",
                "stylers": [
                    {
                        "color": "#f2e5d4"
                    }
                ]
            },
            {
                "featureType": "poi.park",
                "elementType": "geometry",
                "stylers": [
                    {
                        "color": "#c5dac6"
                    }
                ]
            },
            {
                "featureType": "poi.park",
                "elementType": "labels",
                "stylers": [
                    {
                        "visibility": "on"
                    },
                    {
                        "lightness": 20
                    }
                ]
            },
            {
                "featureType": "road",
                "elementType": "all",
                "stylers": [
                    {
                        "lightness": 20
                    }
                ]
            },
            {
                "featureType": "road.highway",
                "elementType": "geometry",
                "stylers": [
                    {
                        "color": "#c5c6c6"
                    }
                ]
            },
            {
                "featureType": "road.arterial",
                "elementType": "geometry",
                "stylers": [
                    {
                        "color": "#e4d7c6"
                    }
                ]
            },
            {
                "featureType": "road.local",
                "elementType": "geometry",
                "stylers": [
                    {
                        "color": "#fbfaf7"
                    }
                ]
            },
            {
                "featureType": "water",
                "elementType": "all",
                "stylers": [
                    {
                        "visibility": "on"
                    },
                    {
                        "color": "#acbcc9"
                    }
                ]
            }
        ];
    }
};

MapsHandler.init();