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

const MapsHandler = {

    map: '',
    key: 'AIzaSyCVGPUmRmQRxXvzzWu3Xyu77XebQxQ-f4Y',
    location: {lat: 51.033112, lng: 5.329608},
    styling: '',

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

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

            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: 12,
            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.png'
        });
    },

    setCustomStyling: function () {

        MapsHandler.styling =
            [
                {
                    "featureType": "administrative.locality",
                    "elementType": "all",
                    "stylers": [
                        {
                            "hue": "#2c2e33"
                        },
                        {
                            "saturation": 7
                        },
                        {
                            "lightness": 19
                        },
                        {
                            "visibility": "on"
                        }
                    ]
                },
                {
                    "featureType": "administrative.locality",
                    "elementType": "geometry.fill",
                    "stylers": [
                        {
                            "hue": "#ff0000"
                        }
                    ]
                },
                {
                    "featureType": "administrative.locality",
                    "elementType": "labels.text.fill",
                    "stylers": [
                        {
                            "color": "#447abe"
                        }
                    ]
                },
                {
                    "featureType": "administrative.neighborhood",
                    "elementType": "labels.text.fill",
                    "stylers": [
                        {
                            "color": "#142c45"
                        },
                        {
                            "lightness": "65"
                        }
                    ]
                },
                {
                    "featureType": "landscape",
                    "elementType": "all",
                    "stylers": [
                        {
                            "hue": "#ffffff"
                        },
                        {
                            "saturation": -100
                        },
                        {
                            "lightness": 100
                        },
                        {
                            "visibility": "simplified"
                        }
                    ]
                },
                {
                    "featureType": "poi",
                    "elementType": "all",
                    "stylers": [
                        {
                            "hue": "#ffffff"
                        },
                        {
                            "saturation": -100
                        },
                        {
                            "lightness": 100
                        },
                        {
                            "visibility": "off"
                        }
                    ]
                },
                {
                    "featureType": "road",
                    "elementType": "geometry",
                    "stylers": [
                        {
                            "hue": "#bbc0c4"
                        },
                        {
                            "saturation": -93
                        },
                        {
                            "lightness": 31
                        },
                        {
                            "visibility": "simplified"
                        }
                    ]
                },
                {
                    "featureType": "road",
                    "elementType": "labels",
                    "stylers": [
                        {
                            "hue": "#bbc0c4"
                        },
                        {
                            "saturation": -93
                        },
                        {
                            "lightness": 31
                        },
                        {
                            "visibility": "on"
                        }
                    ]
                },
                {
                    "featureType": "road.arterial",
                    "elementType": "labels",
                    "stylers": [
                        {
                            "hue": "#bbc0c4"
                        },
                        {
                            "saturation": -93
                        },
                        {
                            "lightness": -2
                        },
                        {
                            "visibility": "simplified"
                        }
                    ]
                },
                {
                    "featureType": "road.local",
                    "elementType": "geometry",
                    "stylers": [
                        {
                            "hue": "#e9ebed"
                        },
                        {
                            "saturation": -90
                        },
                        {
                            "lightness": -8
                        },
                        {
                            "visibility": "simplified"
                        }
                    ]
                },
                {
                    "featureType": "transit",
                    "elementType": "all",
                    "stylers": [
                        {
                            "hue": "#e9ebed"
                        },
                        {
                            "saturation": 10
                        },
                        {
                            "lightness": 69
                        },
                        {
                            "visibility": "on"
                        }
                    ]
                },
                {
                    "featureType": "water",
                    "elementType": "all",
                    "stylers": [
                        {
                            "hue": "#e9ebed"
                        },
                        {
                            "saturation": -78
                        },
                        {
                            "lightness": 67
                        },
                        {
                            "visibility": "simplified"
                        }
                    ]
                }
            ];
    }
};

MapsHandler.init();