/*!
 * 
 * RT-Theme 19 WordPress Theme Admin - Location Finder
 * Copyright (C) 2014 RT-Themes
 * http://rtthemes.com
 *
 */
 
(function($){

		//geo location select
		$(document.body).on("click",'.open-rt-location-finder',function(e){
			
			e.preventDefault();

			var gllpLatlonPicker = $(".rt-location-selector");

			if( gllpLatlonPicker.length == 0 ){
				$(rt_location_finder["map_html"]).appendTo("body");		
				gllpLatlonPicker = $(".rt-location-selector");
				(new GMapsLatLonPicker()).init( gllpLatlonPicker.find(".gllpLatlonPicker") );
			}

	 		//open the modal	 
			gllpLatlonPicker.show('fade', { duration: 300, easing: 'swing' });

			//reset & remove body scroll
			$('html, body').css({"overflow":"hidden"}).scrollTop(0);

			var start_lat = $(".rt_geo_selection .lat").val();
			var start_lon = $(".rt_geo_selection .lon").val();

			if( start_lat !== "" && start_lon !== "" ){ 
				var lat = $(".gllpLatitude").val(start_lat);
				var lon = $(".gllpLongitude").val(start_lon);					
				var lon = $(".gllpZoom").val(16);							
				$(".gllpUpdateButton").trigger('click');
			} 
 
			//select cords
			gllpLatlonPicker.find(".select_map").on("click",function(){


				var target_lat = $(".rt_geo_selection .lat");
				var target_lon = $(".rt_geo_selection .lon");

				var copy_lat = $(".gllpLatitude").val();
				var copy_lon = $(".gllpLongitude").val();

				target_lat.val(copy_lat);
				target_lon.val(copy_lon);

				gllpLatlonPicker.find(".rt_modal_close").trigger("click");
			}); 
		});


		/**!
		 * 	
		 * A JQUERY GOOGLE MAPS LATITUDE AND LONGITUDE LOCATION PICKER
		 * version 1.2
		 * 
		 * Supports multiple maps. Works on touchscreen. Easy to customize markup and CSS.
		 * 
		 * To see a live demo, go to:
		 * http://www.wimagguc.com/projects/jquery-latitude-longitude-picker-gmaps/
		 * 
		 * by Richard Dancsi
		 * http://www.wimagguc.com/
		 * 
		 */
		var GMapsLatLonPicker = (function() {

			var _self = this;

			///////////////////////////////////////////////////////////////////////////////////////////////
			// PARAMETERS (MODIFY THIS PART) //////////////////////////////////////////////////////////////
			_self.params = {
				defLat : 0,
				defLng : 0,
				defZoom : 1,
				queryLocationNameWhenLatLngChanges: true,
				queryElevationWhenLatLngChanges: true,
				mapOptions : {
					mapTypeId: google.maps.MapTypeId.ROADMAP,
					mapTypeControl: false,
					disableDoubleClickZoom: true,
					zoomControlOptions: true,
					streetViewControl: false
				},
				strings : {
					markerText : "Drag this Marker", 
					error_empty_field : "Couldn't find coordinates for this place",
					error_no_results : "Couldn't find coordinates for this place"
				}
			};


			///////////////////////////////////////////////////////////////////////////////////////////////
			// VARIABLES USED BY THE FUNCTION (DON'T MODIFY THIS PART) ////////////////////////////////////
			_self.vars = {
				ID : null,
				LATLNG : null,
				map : null,
				marker : null,
				geocoder : null
			};

			///////////////////////////////////////////////////////////////////////////////////////////////
			// PRIVATE FUNCTIONS FOR MANIPULATING DATA ////////////////////////////////////////////////////
			var setPosition = function(position) {
				_self.vars.marker.setPosition(position);
				_self.vars.map.panTo(position);

				$(_self.vars.cssID + ".gllpZoom").val( _self.vars.map.getZoom() );
				$(_self.vars.cssID + ".gllpLongitude").val( position.lng() );
				$(_self.vars.cssID + ".gllpLatitude").val( position.lat() );
				
				$(_self.vars.cssID).trigger("location_changed", $(_self.vars.cssID));
				
				if (_self.params.queryLocationNameWhenLatLngChanges) {
					getLocationName(position);
				}
				if (_self.params.queryElevationWhenLatLngChanges) {
					getElevation(position);
				}
			};
			
			// for reverse geocoding
			var getLocationName = function(position) {
				var latlng = new google.maps.LatLng(position.lat(), position.lng());
				_self.vars.geocoder.geocode({'latLng': latlng}, function(results, status) {
					if (status == google.maps.GeocoderStatus.OK && results[1]) {
						$(_self.vars.cssID + ".gllpLocationName").val(results[1].formatted_address);
					} else {
						$(_self.vars.cssID + ".gllpLocationName").val("");
					}
					$(_self.vars.cssID).trigger("location_name_changed", $(_self.vars.cssID));
				});
			};

			// for getting the elevation value for a position
			var getElevation = function(position) {
				var latlng = new google.maps.LatLng(position.lat(), position.lng());

				var locations = [latlng];

				var positionalRequest = { 'locations': locations };

				_self.vars.elevator.getElevationForLocations(positionalRequest, function(results, status) {
					if (status == google.maps.ElevationStatus.OK) {
						if (results[0]) {
							$(_self.vars.cssID + ".gllpElevation").val( results[0].elevation.toFixed(3));
						} else {
							$(_self.vars.cssID + ".gllpElevation").val("");
						}
					} else {
						$(_self.vars.cssID + ".gllpElevation").val("");
					}
					$(_self.vars.cssID).trigger("elevation_changed", $(_self.vars.cssID));
				});
			};
			
			// search function
			var performSearch = function(string, silent) {
				if (string == "") {
					if (!silent) {
						displayError( _self.params.strings.error_empty_field );
					}
					return;
				}
				_self.vars.geocoder.geocode(
					{"address": string},
					function(results, status) {
						if (status == google.maps.GeocoderStatus.OK) {
							$(_self.vars.cssID + ".gllpZoom").val(11);
							_self.vars.map.setZoom( parseInt($(_self.vars.cssID + ".gllpZoom").val()) );
							setPosition( results[0].geometry.location );
						} else {
							if (!silent) {
								displayError( _self.params.strings.error_no_results );
							}
						}
					}
				);
			};
			
			// error function
			var displayError = function(message) {
				alert(message);
			};

			///////////////////////////////////////////////////////////////////////////////////////////////
			// PUBLIC FUNCTIONS  //////////////////////////////////////////////////////////////////////////
			var publicfunc = {

				// INITIALIZE MAP ON DIV //////////////////////////////////////////////////////////////////
				init : function(object) {

					if ( !$(object).attr("id") ) {
						if ( $(object).attr("name") ) {
							$(object).attr("id", $(object).attr("name") );
						} else {
							$(object).attr("id", "_MAP_" + Math.ceil(Math.random() * 10000) );
						}
					}

					_self.vars.ID = $(object).attr("id");
					_self.vars.cssID = "#" + _self.vars.ID + " ";

					_self.params.defLat  = $(_self.vars.cssID + ".gllpLatitude").val()  ? $(_self.vars.cssID + ".gllpLatitude").val()		: _self.params.defLat;
					_self.params.defLng  = $(_self.vars.cssID + ".gllpLongitude").val() ? $(_self.vars.cssID + ".gllpLongitude").val()	    : _self.params.defLng;
					_self.params.defZoom = $(_self.vars.cssID + ".gllpZoom").val()      ? parseInt($(_self.vars.cssID + ".gllpZoom").val()) : _self.params.defZoom;
					
					_self.vars.LATLNG = new google.maps.LatLng(_self.params.defLat, _self.params.defLng);

					_self.vars.MAPOPTIONS		 = _self.params.mapOptions;
					_self.vars.MAPOPTIONS.zoom   = _self.params.defZoom;
					_self.vars.MAPOPTIONS.center = _self.vars.LATLNG; 

					_self.vars.map = new google.maps.Map($(_self.vars.cssID + ".gllpMap").get(0), _self.vars.MAPOPTIONS);
					_self.vars.geocoder = new google.maps.Geocoder();
					_self.vars.elevator = new google.maps.ElevationService();

					_self.vars.marker = new google.maps.Marker({
						position: _self.vars.LATLNG,
						map: _self.vars.map,
						title: _self.params.strings.markerText,
						draggable: true
					});

					// Set position on doubleclick
					google.maps.event.addListener(_self.vars.map, 'dblclick', function(event) {
						setPosition(event.latLng);
					});
				
					// Set position on marker move
					google.maps.event.addListener(_self.vars.marker, 'dragend', function(event) {
						setPosition(_self.vars.marker.position);
					});
			
					// Set zoom feld's value when user changes zoom on the map
					google.maps.event.addListener(_self.vars.map, 'zoom_changed', function(event) {
						$(_self.vars.cssID + ".gllpZoom").val( _self.vars.map.getZoom() );
						$(_self.vars.cssID).trigger("location_changed", $(_self.vars.cssID));
					});

					// Update location and zoom values based on input field's value 
					$(_self.vars.cssID + ".gllpUpdateButton").bind("click", function() {
						var lat = $(_self.vars.cssID + ".gllpLatitude").val();
						var lng = $(_self.vars.cssID + ".gllpLongitude").val();
						var latlng = new google.maps.LatLng(lat, lng);
						_self.vars.map.setZoom( parseInt( $(_self.vars.cssID + ".gllpZoom").val() ) );
						setPosition(latlng);
					});

					// Search function by search button
					$(_self.vars.cssID + ".gllpSearchButton").bind("click", function() {
						performSearch( $(_self.vars.cssID + ".gllpSearchField").val(), false );
					});

					// Search function by gllp_perform_search listener
					$(document).bind("gllp_perform_search", function(event, object) {
						performSearch( $(object).attr('string'), true );
					});

					// Zoom function triggered by gllp_perform_zoom listener
					$(document).bind("gllp_update_fields", function(event) {
						var lat = $(_self.vars.cssID + ".gllpLatitude").val();
						var lng = $(_self.vars.cssID + ".gllpLongitude").val();
						var latlng = new google.maps.LatLng(lat, lng);
						_self.vars.map.setZoom( parseInt( $(_self.vars.cssID + ".gllpZoom").val() ) );
						setPosition(latlng);
					});
				}

			}
			
			return publicfunc;
		});

})(jQuery);