/**
 * @file
 * Common marker routines.
 */

/*global $, Drupal, GEvent, GInfoWindowTab, GLatLng, GLatLngBounds */

Drupal.gmap.addHandler('gmap', function (elem) {
    var obj = this;

    var infowindow = new google.maps.InfoWindow();

    obj.bind('init', function () {
        if (obj.vars.behavior.autozoom) {
            obj.bounds = new google.maps.LatLngBounds();
        }
    });

    obj.bind('addmarker', function (marker) {
        marker.opts.position = new google.maps.LatLng(marker.latitude, marker.longitude);
        marker.opts.map = obj.map;
        var m = Drupal.gmap.factory.marker(marker.opts);
        marker.marker = m;
        google.maps.event.addListener(m, 'click', function () {
            obj.change('clickmarker', -1, marker);
        });
        if (obj.vars.behavior.highlight) {
            google.maps.event.addListener(m, 'mouseover', function () {
                var highlightColor = '#' + obj.vars.styles.highlight_color;
                highlightMarker(obj.map, marker, 'hoverHighlight', highlightColor);
            });
            google.maps.event.addListener(m, 'mouseout', function () {
                unHighlightMarker(obj.map, marker, 'hoverHighlight');
            });
        }
        if (obj.vars.behavior.extramarkerevents) {
            google.maps.event.addListener(m, 'mouseover', function () {
                obj.change('mouseovermarker', -1, marker);
            });
            google.maps.event.addListener(m, 'mouseout', function () {
                obj.change('mouseoutmarker', -1, marker);
            });
            google.maps.event.addListener(m, 'dblclick', function () {
                obj.change('dblclickmarker', -1, marker);
            });
        }
        /**
         * Perform a synthetic marker click on this marker on load.
         */
        if (marker.autoclick || (marker.options && marker.options.autoclick)) {
            obj.deferChange('clickmarker', -1, marker);
        }
        if (obj.vars.behavior.autozoom) {
            obj.bounds.extend(new google.maps.LatLng(marker.latitude, marker.longitude));
        }
        // If the highlight arg option is used in views highlight the marker.
        if (marker.opts.highlight == 1) {
            highlightMarker(obj.map, marker, 'viewHighlight', marker.opts.highlightcolor);
        }
    });

    // Default marker actions.
    obj.bind('clickmarker', function (marker) {
        // Close infowindow if open to prevent multiple windows
        if (infowindow != null) {
            infowindow.close();
        }
        if (marker.text) {
            infowindow.setContent(marker.text);
            infowindow.open(obj.map, marker.marker);
        }
        // Info Window Query / Info Window Offset
        else if (marker.iwq || (obj.vars.iwq && typeof marker.iwo != 'undefined')) {
            var iwq, iwo;
            if (obj.vars.iwq) {
                iwq = obj.vars.iwq;
            }
            if (marker.iwq) {
                iwq = marker.iwq;
            }
            iwo = 0;
            if (marker.iwo) {
                iwo = marker.iwo;
            }
            // Create a container to store the cloned DOM elements.
            var el = document.createElement('div');
            // Clone the matched object, run through the clone, stripping off ids, and move the clone into the container.
            jQuery(iwq).eq(iwo).clone(false).find('*').removeAttr('id').appendTo(jQuery(el));
            marker.setContent(el);
            infowindow.open(obj.map, marker.marker);
        }
        // AJAX content
        else if (marker.rmt) {
            obj.rmtcache = obj.rmtcache || {};

            // Cached RMT.
            if (obj.rmtcache[marker.rmt]) {
                infowindow.setContent(data);
                infowindow.open(obj.map, marker.marker);
            }
            else {
                var uri = marker.rmt;
                // If there was a callback, prefix that.
                // (If there wasn't, marker.rmt was the FULL path.)
                if (obj.vars.rmtcallback) {
                    uri = obj.vars.rmtcallback + '/' + marker.rmt;
                }
                // @Bevan: I think it makes more sense to do it in this order.
                // @Bevan: I don't like your choice of variable btw, seems to me like
                // @Bevan: it belongs in the map object, or at *least* somewhere in
                // @Bevan: the gmap settings proper...
                //if (!marker.text && Drupal.settings.loadingImage) {
                //  marker.marker.openInfoWindowHtml(Drupal.settings.loadingImage);
                //}
                $.get(uri, {}, function (data) {
                    obj.rmtcache[marker.rmt] = data;
                    marker.marker.openInfoWindowHtml(data);
                });
            }
        }
        // Tabbed content
        else if (marker.tabs) {
            var data = "";
            //tabs in an infowindow is no longer supported in API ver3.
            for (var m in marker.tabs) {
                data += marker.tabs[m];
            }
            infowindow.setContent(data);
            infowindow.open(obj.map, marker.marker);
        }
        // No content -- marker is a link
        else if (marker.link) {
            open(marker.link, '_self');
        }
    });

    obj.bind('markersready', function () {
        // If we are autozooming, set the map center at this time.
        if (obj.vars.behavior.autozoom) {
            if (!obj.bounds.isEmpty()) {
                obj.map.fitBounds(obj.bounds);
                var listener = google.maps.event.addListener(obj.map, "idle", function () {
                    if (obj.vars.maxzoom) {
                        var maxzoom = parseInt(obj.vars.maxzoom)
                        if (obj.map.getZoom() > maxzoom) obj.map.setZoom(maxzoom);
                        google.maps.event.removeListener(listener);
                    }
                });
            }
        }
    });

    obj.bind('clearmarkers', function () {
        // Reset bounds if autozooming
        // @@@ Perhaps we should have a bounds for both markers and shapes?
        if (obj.vars.behavior.autozoom) {
            obj.bounds = new google.maps.LatLngBounds();
        }
    });

    Drupal.gmap.getInfoWindow = function () {
        return infowindow;
    };

    // @@@ TODO: Some sort of bounds handling for deletemarker? We'd have to walk the whole thing to figure out the new bounds...
});