/**
 * jQuery gMap - Google Maps API V3
 *
 * @license MIT License; http://www.opensource.org/licenses/mit-license.php
 * @url		http://github.com/marioestrada/jQuery-gMap
 * @author	Mario Estrada <me@mario.ec> based on original plugin by Cedric Kastner <cedric@nur-text.de>
 * @version	2.1.4
 */
(function($) {
    $.fn.gMap = function(options, methods_options) {
        switch (options) {
            case "addMarker":
                return $(this).trigger("gMap.addMarker", [methods_options.latitude, methods_options.longitude, methods_options.content, methods_options.icon, methods_options.popup]);
            case "centerAt":
                return $(this).trigger("gMap.centerAt", [methods_options.latitude, methods_options.longitude, methods_options.zoom]);
            case "clearMarkers":
                return $(this).trigger("gMap.clearMarkers")
        }
        var opts = $.extend({}, $.fn.gMap.defaults, options);
        return this.each(function() {
            var $gmap = new google.maps.Map(this);
            $(this).data("gMap.reference", $gmap);
            var $geocoder = new google.maps.Geocoder;
            if (opts.address) {
                $geocoder.geocode({
                    address: opts.address
                }, function(gresult, status) {
                    if (gresult && gresult.length) $gmap.setCenter(gresult[0].geometry.location)
                })
            } else {
                if (opts.latitude && opts.longitude) {
                    $gmap.setCenter(new google.maps.LatLng(opts.latitude, opts.longitude))
                } else {
                    if ($.isArray(opts.markers) && opts.markers.length > 0) {
                        if (opts.markers[0].address) {
                            $geocoder.geocode({
                                address: opts.markers[0].address
                            }, function(gresult, status) {
                                if (gresult && gresult.length > 0) $gmap.setCenter(gresult[0].geometry.location)
                            })
                        } else {
                            $gmap.setCenter(new google.maps.LatLng(opts.markers[0].latitude, opts.markers[0].longitude))
                        }
                    } else {
                        $gmap.setCenter(new google.maps.LatLng(34.885931, 9.84375))
                    }
                }
            }
            $gmap.setZoom(opts.zoom);
            $gmap.setMapTypeId(google.maps.MapTypeId[opts.maptype]);
            var map_options = {
                scrollwheel: opts.scrollwheel,
                disableDoubleClickZoom: !opts.doubleclickzoom
            };
            if (opts.controls === false) {
                $.extend(map_options, {
                    disableDefaultUI: true
                })
            } else if (opts.controls.length != 0) {
                $.extend(map_options, opts.controls, {
                    disableDefaultUI: true
                })
            }
            $gmap.setOptions(map_options);
            var gicon = new google.maps.Marker;
            marker_icon = new google.maps.MarkerImage(opts.icon.image);
            marker_icon.size = new google.maps.Size(opts.icon.iconsize[0], opts.icon.iconsize[1]);
            marker_icon.anchor = new google.maps.Point(opts.icon.iconanchor[0], opts.icon.iconanchor[1]);
            gicon.setIcon(marker_icon);
            if (opts.icon.shadow) {
                marker_shadow = new google.maps.MarkerImage(opts.icon.shadow);
                marker_shadow.size = new google.maps.Size(opts.icon.shadowsize[0], opts.icon.shadowsize[1]);
                marker_shadow.anchor = new google.maps.Point(opts.icon.shadowanchor[0], opts.icon.shadowanchor[1]);
                gicon.setShadow(marker_shadow)
            }
            $(this).bind("gMap.centerAt", function(e, latitude, longitude, zoom) {
                if (zoom) $gmap.setZoom(zoom);
                $gmap.panTo(new google.maps.LatLng(parseFloat(latitude), parseFloat(longitude)))
            });
            var overlays = [];
            $(this).bind("gMap.clearMarkers", function() {
                while (overlays[0]) {
                    overlays.pop().setMap(null)
                }
            });
            var last_infowindow;
            $(this).bind("gMap.addMarker", function(e, latitude, longitude, content, icon, popup) {
                var glatlng = new google.maps.LatLng(parseFloat(latitude), parseFloat(longitude));
                var gmarker = new google.maps.Marker({
                    position: glatlng
                });
                if (icon) {
                    marker_icon = new google.maps.MarkerImage(icon.image);
                    marker_icon.size = new google.maps.Size(icon.iconsize[0], icon.iconsize[1]);
                    marker_icon.anchor = new google.maps.Point(icon.iconanchor[0], icon.iconanchor[1]);
                    gmarker.setIcon(marker_icon);
                    if (icon.shadow) {
                        marker_shadow = new google.maps.MarkerImage(icon.shadow);
                        marker_shadow.size = new google.maps.Size(icon.shadowsize[0], icon.shadowsize[1]);
                        marker_shadow.anchor = new google.maps.Point(icon.shadowanchor[0], icon.shadowanchor[1]);
                        gicon.setShadow(marker_shadow)
                    }
                } else {
                    gmarker.setIcon(gicon.getIcon());
                    gmarker.setShadow(gicon.getShadow())
                }
                if (content) {
                    if (content == "_latlng") content = latitude + ", " + longitude;
                    var infowindow = new google.maps.InfoWindow({
                        content: opts.html_prepend + content + opts.html_append
                    });
                    google.maps.event.addListener(gmarker, "click", function() {
                        last_infowindow && last_infowindow.close();
                        infowindow.open($gmap, gmarker);
                        last_infowindow = infowindow
                    });
                    if (popup) {
                        google.maps.event.addListenerOnce($gmap, "tilesloaded", function() {
                            infowindow.open($gmap, gmarker)
                        })
                    }
                }
                gmarker.setMap($gmap);
                overlays.push(gmarker)
            });
            for (var j = 0; j < opts.markers.length; j++) {
                marker = opts.markers[j];
                if (marker.address) {
                    if (marker.html == "_address") marker.html = marker.address;
                    var $this = this;
                    $geocoder.geocode({
                        address: marker.address
                    }, function(marker, $this) {
                        return function(gresult, status) {
                            if (gresult && gresult.length > 0) {
                                $($this).trigger("gMap.addMarker", [gresult[0].geometry.location.lat(), gresult[0].geometry.location.lng(), marker.html, marker.icon, marker.popup])
                            }
                        }
                    }(marker, $this))
                } else {
                    $(this).trigger("gMap.addMarker", [marker.latitude, marker.longitude, marker.html, marker.icon, marker.popup])
                }
            }
        })
    };
    $.fn.gMap.defaults = {
        address: "",
        latitude: 0,
        longitude: 0,
        zoom: 1,
        markers: [],
        controls: [],
        scrollwheel: false,
        doubleclickzoom: true,
        maptype: "ROADMAP",
        html_prepend: '<div class="gmap_marker">',
        html_append: "</div>",
        icon: {
            image: "http://www.google.com/mapfiles/marker.png",
            shadow: "http://www.google.com/mapfiles/shadow50.png",
            iconsize: [20, 34],
            shadowsize: [37, 34],
            iconanchor: [9, 34],
            shadowanchor: [6, 34]
        }
    }
})(jQuery);