// custom geocoder which calls both Google maps geocoder and Google Ajax local search apis
// returns normalized result set
// use like so:
//   MyApp.geocoder.getLocations('1060 W Addison St, Chicago, IL', function (results) {
//     // results is an array of result objects pulled from both Google Maps and Google Ajax APIS
//     // with normalized properties
//   });
// Uses jQuery's $.map() and $.merge() functions
MyApp = {}; // namespace for app
MyApp.geocoder = {

	getLocations: function (query, onComplete) {	
		var geocoder = new GClientGeocoder();
		var found = [];				
		
		// getLocations from geocoder
		geocoder.getLocations(query, function (response) {
			if (response.Status.code == 200) {
				found = $.map(response.Placemark, function (n, i) {
					var obj = {};
					obj.title = null;
					obj.address = n.address;
					obj.accuracy = n.AddressDetails.Accuracy;
					obj.lat = n.Point.coordinates[1];
					obj.lng = n.Point.coordinates[0];
					obj.source = 'geocoder';
					return obj;
				});
			}
		
			// get additional locations from localSearch
			var localSearch = new google.search.LocalSearch();
			localSearch.setNoHtmlGeneration();	
			localSearch.setResultSetSize(GSearch.LARGE_RESULTSET);
			localSearch.setSearchCompleteCallback(this, MyApp.geocoder.processLocalSearchResult, [localSearch, found, onComplete]);
			localSearch.execute(query);
		});		
	},

	processLocalSearchResult: function (ls, found, onComplete) {
		var results = $.merge(found, 
			$.map(ls.results, function (n,i) {
				var obj = {};
				obj.title = n.titleNoFormatting;
				if (n.addressLines) {
					obj.address = n.addressLines.join(', ');
				}
				obj.accuracy = n.accuracy;
				obj.lat = n.lat;
				obj.lng = n.lng;
				obj.source = 'local search';
				return obj;
			})
		);
		onComplete.call(this, results);
	}
};