jQuery(document).ready(function(){
	// var sparqlURI = "http://hcls.sindice.com/sparql"; taken from global object taken from configuration
	var proxyURL ="../resources/sparql/"
	jQuery("table.statistics tr").not('thead tr').find("td:last a pre").click(function(e){
		var query = jQuery(this).text();
		jQuery(this).parent().attr("href",sparqlURL+"?query="+decodeURIComponent(query));
	});

	jQuery("table.statistics tr").not('thead tr').find("td:last-child span").click(function(e){
		var $query = jQuery(this).parent().find("a");
		if($query.is(":visible")){
			$query.hide();
			jQuery(this).text("+ show");
		}else{
			$query.show();
			jQuery(this).text("- hide");
		}
	});
		
	
	jQuery("table.statistics tr").not('thead tr').each(function(){
		var name = jQuery(this).find("td:first").text();
		var $value = jQuery(this).find("td:eq(1)");
		var query = jQuery(this).find("td:last a").text();
		
		$value.html('<span class="ajax-loader" />')
		var url = sparqlURI+"?query="+encodeURIComponent(query)+"&format="+encodeURIComponent("application/sparql-results+json");
		jQuery.ajax({
			url:proxyURL,
			dataType:"json",
			data:{
				url:url
			},
			success:function(json){
				if(json[url].head && json[url].results.bindings.length==0){
					$value.text("no results");
				}else if(json[url].head.vars[0] && json[url].results.bindings.length==1){
					var value = json[url].results.bindings[0][json[url].head.vars[0]].value;
					$value.text(value);
				}else if(json[url].head.vars[0] && json[url].results.bindings.length>0){
					var html =[];
					for(var i=0;i<json[url].results.bindings.length;i++){
						html.push(json[url].results.bindings[i][json[url].head.vars[0]].value+"<br />")
					}
					$value.html(html.join(""));
				}
				/*
				 * this code is for direct sparql call 
				if(json.head.vars[0] && json.results.bindings.length==1){
					var value = json.results.bindings[0][json.head.vars[0]].value;
					$value.text(value);
				}else if(json.head.vars[0] && json.results.bindings.length>0){
					var html =[];
					for(var i=0;i<json.results.bindings.length;i++){
						html.push(json.results.bindings[i][json.head.vars[0]].value+"<br />")
					}
					$value.html(html.join(""));
				}
				*/
			},
			error:function(){
				// replace ajax indicator with ----
				$value.text("----");
			}
		});
	});
	
});