var store_icon = '/static/img/map_icons/home-2.png'
var online_icon = '/static/img/map_icons/wifi.png'
var geolocation_icon = '/static/img/map_icons/home-2-green.png'

function lookup_marker(id) {
    if (id == null || id == 1) {
        return store_icon
    } else if (id == 2) {
        return online_icon
    } else if (id == 999) {
        return geolocation_icon
    }  else {
        return store_icon
    }
}

function initialize_map(markers, element) {
    var mapOptions = {
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(element, mapOptions);
    var bounds = new google.maps.LatLngBounds();
    for (var i = 0; i < markers.length; i++) {
        marker = markers[i];
        if (marker[1] != null && marker[2] != null) {
            var latlng = new google.maps.LatLng(marker[1], marker[2]);
            bounds.extend(latlng);
            var marker_obj = new google.maps.Marker({
                position: latlng,
                map: map,
                title: marker[0],
                icon: lookup_marker(marker[3])
            });
            if (marker[4] != '') {
                google.maps.event.addListener(marker_obj, 'click', (function(marker) {
                    return function() {
                        window.location = marker[4];
                    }
                })(marker));
            }
        }
    }
    map.fitBounds(bounds)
}