var Parole = "";

let mmoQueries = 0;
let infQueries = 0;
let perQueries = 0;
let lgQueries = 0;

$(document).ready(function () {
	//#######################################

	populateOption();

	var search_name = "";
	var Label = "";
	var object_Label = "";
	var id_label = "";
	var name_per = "";
	var note_per = "";
	var occupation_per = "";
	var place_search = "";
	var testo = "";



	$('#ClipArt1').on("click", function () {

		$('#Man-Made_Object').text("");
		$('#n_mmo').text("0");
		$('#Information_Object').text("");
		$('#n_io').text("0");
		$('#Person').text("");
		$('#n_ps').text("0");
		$('#Place').text("");
		$('#n_pl').text("0");
		$('#licenza').css("display", "block");

		testo = $('input#TextArea1').val();
		Parole = testo;
		
		//questo era il contenuto di results_retrieveData()
        mmoQueries = 0;
        infQueries = 0;
        perQueries = 0;
        lgQueries = 0;
		$("#mmoLoader").css("display", "block");
		$("#infLoader").css("display", "block");
		$("#perLoader").css("display", "block");
		$("#lgLoader").css("display", "block");
		$('#wb_Image1').text("");
		$('.results').css("display", "none");

		next_text = testo.split(" ");
		search_name = "\"'" + next_text[0] + "'";
		if (next_text.length > 1) {
			for (var i=1; i<next_text.length; i++) {
				search_name = search_name + " AND '" + next_text[i] + "'";
			}
		}
		search_name = search_name + "\"";

		if (testo != "") {
			Label = " ?label bif:contains  "+ search_name + "  . ";
			object_Label = " ?object_Label bif:contains "+ search_name + " . ";
			id_label = " ?id bif:contains "+ search_name + " . ";
			name_per = "?name bif:contains "+ search_name + " . ";
			note_per = " ?note bif:contains " + search_name + " . ";
			occupation_per = " ?occupation bif:contains " + search_name + " . ";
			place_search = " ?label bif:contains" + search_name + " . ";

		}
		else {
			Label = "";
			object_Label = "";
			id_label = "";
			name_per = "";
			note_per = " ?note bif:contains 'NNNNNN' . ";;
			place_search = "";
			occupation_per = " ?occupation bif:contains 'NNNNN' . ";;
		}

		var g = document.getElementById("graph_selector");
		var g2 = document.getElementById("graph_selector2");

		var graph1 = g.value;
		var graph2 = g2.value;

		if (graph1 == 'MPP') {
			object_Label = " ?object_Label bif:contains 'NNNNNNNN' . ";
		}

		var search_graph = getGraph(graph1, graph2);

		var pref = queryManager['prefixes']['all'];
		var query1 = pref + (queryManager['queryMMO']['queryLabel']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', Label);
		var query2 = pref + (queryManager['queryMMO']['queryArte']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', Label);
		var query3 = pref + (queryManager['queryMMO']['queryIdentificatore']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', testo);
		var query4 = pref + (queryManager['queryINF']['queryContenuti1']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', object_Label);
		var query5 = pref + (queryManager['queryINF']['queryContenuti2']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', object_Label);
		var query6 = pref + (queryManager['queryINF']['queryContenuti3']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', object_Label);
		var query7 = pref + (queryManager['queryPER']['queryNome']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', name_per);
		var query8 = pref + (queryManager['queryPER']['queryNote']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', note_per);
		var query9 = pref + (queryManager['queryPER']['queryOccupazione']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', occupation_per);
		var query10 = pref + (queryManager['queryLG']['queryLuoghi']).replace('<{GRAPH}>', search_graph).replace('<{WORD}>', place_search);
		
		
		// la funzione doJsonQuery restituisce direttamente l'oggetto della chiamata ajax in json.
		// Una volta effettuata la chiamata, il risultato è passato alla funzione manage...
		doJsonQuery(query1).done(function(r) { manageMMO(r); });
		doJsonQuery(query2).done(function(r) { manageMMO(r); });
		doJsonQuery(query3).done(function(r) { manageMMO(r); });
		doJsonQuery(query4).done(function(r) { manageINF(r); });
		doJsonQuery(query5).done(function(r) { manageINF(r); });
		doJsonQuery(query6).done(function(r) { manageINF(r); });
		doJsonQuery(query7).done(function(r) { managePER(r); });
		doJsonQuery(query8).done(function(r) { managePER(r); });
		doJsonQuery(query9).done(function(r) { managePER(r); });
		doJsonQuery(query10).done(function(r) { manageLG(r); });
	
	});
	
  
    $('input#TextArea1').keypress(function(e) {
      var key = e.which;
      if (key == 13) // the enter key code
          {
            $('#ClipArt1').click();
            return false;
          }
    });

});

function checkEmpty() {
	if ($("#Man-Made_Object").is(':empty')) {
		var message = '<p class="no-results">No <span>Physical object</span> found</p>';
		$('#Man-Made_Object').append(message);
	}
	
	if ($("#Information_Object").is(':empty')) {
		var message = '<p class="no-results">No <span>Text</span> found</p>';
		$('#Information_Object').append(message);
	}
	
	if ($("#Person").is(':empty')) {
		var message = '<p class="no-results">No <span>Person</span> found</p>';
		$('#Person').append(message);
	}
	
	if ($("#Place").is(':empty')) {
		var message = '<p class="no-results">No <span>Place</span> found</p>';
		$('#Place').append(message);
	}
}

function rewrite_graph(graph) {

	var graph_name = ""

	if (graph == "" + uri_base + "/aspo/datini") {
		graph_name = "Archivio di Stato di Prato - Fondo Datini"; 
	}
	else if (graph == "" + uri_base + "/aspo/ospedale") {
		graph_name = "Archivio di Stato di Prato - Fondo Ospedale Misericordia e Dolce";
	}
	else if (graph ==  "" + uri_base + "/aspo/marcovaldi") {
		graph_name = "Archivio di Stato di Prato - Fondo Marcolvaldi";
	}
	else if (graph ==  "" + uri_base + "/aspo/gettatelli") {
		graph_name = "Archivio di Stato di Prato - Fondo Ospedale Misericordia e Dolce";
	}
	else if (graph ==  "" + uri_base + "/aspo/actors") {
		graph_name = "Archivio di Stato di Prato";
	}
	else if (graph ==  "" + uri_base + "/mpp/martini") {
		graph_name = "Museo di Palazzo Pretorio di Prato";
	}
	else if (graph ==  "" + uri_base + "/mpp/ospedale") {
		graph_name = "Museo di Palazzo Pretorio di Prato";
	}
	else if (graph ==  "" + uri_base + "/mpp/datini") {
		graph_name = "Museo di Palazzo Pretorio di Prato";
	}
	else if (graph ==  "" + uri_base + "/mpp/authors") {
		graph_name = "Museo di Palazzo Pretorio di Prato";
	}
	else if (graph ==  "" + uri_base + "/ovi/datini") {
		graph_name = "Opera del Vocabolario Italiano";
	}
	else if (graph ==  "" + uri_base + "/ovi/datini/trascr") {
		graph_name = "Opera del Vocabolario Italiano";
	}
	else if (graph ==  "" + uri_base + "/places") {
		graph_name = "Luoghi";
	}
	else if (graph ==  "" + uri_base + "/mpp/places") {
		graph_name = "Museo di Palazzo Pretorio di Prato";
	}
	else if (graph ==  "" + uri_base + "/label/toponimi") {
		graph_name = "Toponimi Archivio di Stato di Prato";
	}
	else if (graph ==  "" + uri_base + "/aspo/onomastica") {
		graph_name = "Archivio di Stato di Prato - Onomatica Datini";
	}
	else if (graph ==  "" + uri_base + "/aspo/gettatelli/newdataset") {
		graph_name = "Archivio di Stato di Prato - Fondo Ospedale Misericordia e Dolce";
	}
	else if (graph ==  "" + uri_base + "/aspo/onomastica/gruppi") {
		graph_name = "Archivio di Stato di Prato - Onomastica Datini";
	}
	else if (graph ==  "" + uri_base + "/mpp/autori") {
		graph_name = "Museo di Palazzo Pretorio";
	}
	else if (graph ==  "" + uri_base + "/aspo/onomastica/datini") {
		graph_name = "Archivio di Stato di Prato - Onomastica Datini";
	}
	else if (graph ==  "" + uri_base + "/onomastica/ospedale") {
		graph_name = "Archivio di Stato di Prato - Fondo Ospedale Misericordia e Dolce";
	}
	else if (graph ==  "" + uri_base + "/mpp/ulan/viaf") {
		graph_name = "Persone";
	}
	else if (graph ==  "" + uri_base + "/places/microtoponimi") {
		graph_name = "Luoghi";
	}
	else {graph_name = graph;
	}

	return graph_name;
}

function MMO_handle_json(json) {

//	console.log(json);

    mmoQueries = mmoQueries+1;
    if(mmoQueries==3){
        $('#mmoLoader').css("display", "none");
    }

	$('#wb_Shape1').text("");
	$(".results").css("display", "block");

	var n_mmo = $('#n_mmo').text();
	var b = parseInt(n_mmo);

	var i = 0;

	$.each(
		json['results']['bindings'],
		function (index, value) {
			var object = ""; /*Inserisci VALUE TIPOLOGIA*/

			var graph = value['graph']['value'];
			var graph_name = rewrite_graph(graph);
			var mmoType = "";
			var mmoId = "";
			var object_button = "";
			var object_type = "";

			if (value.hasOwnProperty('type')) {
					mmoType = value['type']['value'];
				}

			if (value.hasOwnProperty('identifier')) {
					mmoId = value['identifier']['value'];
				}
			
			if (mmoType.includes("Opera d'Arte")) {
				object_type = "artwork";
				object_button  += '<button type="button" id="' + value['subject']['value'] + 
				'" class="artwork btn btn-default" alt="opera d\'arte" title="' + value['label']['value'] + 
				'"><i class="fas fa-paint-brush"></i><p class="btn-text">Artwork</p></button>';
			} else {
				object_type = "object";
				object_button  += '<button type="button" id="' + value['subject']['value'] + 
				'" class="object btn btn-default" alt="oggetto" title="' + value['label']['value'] + 
				'"><i class="fa fa-book"></i><p class="btn-text">Physical object</p></button>';
			}

			object += /*INIZIO DIV*/ '<div class="row res"><div class="col-8">' + graph_name + '<br />' +
			'<span id="' + value['subject']['value'] + '" class="title_doc ' + object_type +'">' + value['label']['value'] + '</span><br />' +
			'<i>' + mmoType + ' ' + mmoId + '</i></div>' +
			'<div class="col d-flex align-items-start justify-content-end">' + object_button +
			'<button type="button" value="' + object_type + '" id="' + value['subject']['value'] + '" class="cit btn btn-default" alt="scheda" title="Info"><i class="fa fa-quote-right"></i><p class="btn-text">Citation</p></button>' +
			/*DA QUI HYPERLINK ->*/'<button type="button" value="' + object_type + '" id="' + value['subject']['value'] + '" class="hyp btn btn-default" alt="scheda" title="Info"><i class="fa fa-link"></i><p class="btn-text">Hyperlink</p></button>' +
			/*DA QUI LOD ->*/'<a href="http://iperion.vm.fedcloud.eu/lodlive/?' + value['subject']['value'] + '" target="_blank"><button type="button" class="btn btn-default info" alt="LOD"><i class="fa fa-share-alt"></i><p class="btn-text">Lod</p></button></a></div></div>';

			i++;

			/*onclick=copy__Text("' + value['link']['value'] + '")*/

			$('#Man-Made_Object').append(object);

		});
	
	var n_oggetto = b + i;
	$('#n_mmo').text("");
	$('#n_mmo').append(n_oggetto);
	if (n_oggetto == 0) {
		$('#Man-Made_Object').text("");
		var message = '<p id="no_mmo" class="no-results">No <span>Physical object</span> found</p>';
		$('#Man-Made_Object').append(message);
	} else {
		$('#no_mmo').remove("");
	}

}

function InfObj_handle_json(json) {

//	console.log(json); 
    infQueries = infQueries+1;
    if(infQueries==3){
        $('#infLoader').css("display", "none");
    }

	var n_io = $('#n_io').text();
	var b = parseInt(n_io);

	var i = 0;

	$.each(
		json['results']['bindings'],
		function (index, value) {
			var information = ""; /*Inserisci VALUE TIPOLOGIA*/

			var graph = value['graph']['value'];
			var graph_name = rewrite_graph(graph);

			var tipo = "";
			var id = "";
			var infObject_button = "";
			if (value['text']['type'] != 'uri') {
				var myString = value['text']['value'];
				var str = myString.replace(/<[^>]*>?/gm, '');
				let string_text = str.toLowerCase();
				let string_len = str.length;
				var word = Parole;
				let ind = string_text.indexOf(word);
				let length = word.length;
				var wl = ind + length;
				var resource_type = "";
				var link_type = "";
				/*var start = 0;
				var end = 0

				var bb = pp - 50;
				var ee = pp + length + 150;*/

				var pp = ind;
				before = str.substring(0, ind);
				after = str.substring(wl, string_len);

				let bb = before.lastIndexOf(".");
				let point = bb + pp;
				let ee = str.indexOf(".", point);
				
				if (bb < 0) {
					start = 0;
				} else {
					start = bb+1;
				}

				if (ee < 0) {
					end = string_len;
				} else {
					end = ee;
				}

				first_chunk = str.substring(start, ind);
				highlight = str.substring(ind, wl);
				second_chunk = str.substring(wl, end);

				var snippet = first_chunk + highlight + second_chunk ;
				//var snippet = first_chunk + "<span class='sharp'>" + highlight + "</span>" + second_chunk ;

				if (value.hasOwnProperty('types')) {
						tipo = value['types']['value'];
					}

				if (value.hasOwnProperty('id')) {
						id = " (" + value['id']['value'] + ")";
					}
				
				if (tipo.includes("lettera")) {
					link_name = value['subject']['value'];
					resource_type = "lettera";
					link_type = "lettera";
					infObject_button  += '<button type="button" id="' + value['subject']['value'] + 
					'" class="lettera btn btn-default" alt="lettera" title="' + value['label']['value'] + 
					'"><i class="fa fa-envelope"></i><p class="btn-text">Letter</p></button>';
				} else {
					link_name = value['Physical_Object']['value'];
					resource_type = "object";
					link_type = "object";
					infObject_button  += '<button type="button" id="' + value['Physical_Object']['value'] + 
					'" class="object btn btn-default" alt="oggetto" title="' + value['label']['value'] + 
					'"><i class="fa fa-book"></i><p class="btn-text">Physical object</p></button>';
				}

				//'<div class="row res"><div class="col-8"><p>' + graph_name + '<br />' +
			//'<span id="' + value['subject']['value'] + '" class="title_doc luogo">' + value['label']['value'] + '</span></p></div>'

				information += /*INIZIO DIV*/ '<div class="row res"><div class="col-8"><p>'+ snippet+'</p>' + 
				'In: ' + graph_name + ';<br />' +
				'<span id="' + link_name + '" class="title_doc ' + link_type + '">' + value['label']['value'] + id + 
				'</span>;<br /><i>' + tipo + '</i><br /></div>' + 
				'<div class="col d-flex align-items-start justify-content-end">' + infObject_button +
				'<button type="button" value="' + resource_type + '" id="' + value['subject']['value'] + '" class="cit btn btn-default" alt="scheda" title="Info"><i class="fa fa-quote-right"></i><p class="btn-text">Citation</p></button>' +
				/*DA QUI HYPERLINK ->*/'<button type="button" value="' + resource_type + '" id="' + value['subject']['value'] + '" class="hyp btn btn-default" alt="scheda" title="Info"><i class="fa fa-link"></i><p class="btn-text">Hyperlink</p></button>' +
				/*DA QUI LOD ->*/'<a href="http://iperion.vm.fedcloud.eu/lodlive/?' + value['subject']['value'] + '" target="_blank"><button type="button" class="btn btn-default info" alt="LOD"><i class="fa fa-share-alt"></i><p class="btn-text">Lod</p></button></a></div></div>';

				i++;

				/*onclick=copy__Text("' + value['link']['value'] + '")*/

				$('#Information_Object').append(information);
			}

		});

		var n_oggetto = b + i;
		$('#n_io').text("");
		$('#n_io').append(n_oggetto);
		if (n_oggetto == 0) {
			$('#Information_Object').text("");
			var message = '<p id="no_io" class="no-results">No <span>Text</span> found</p>';
			$('#Information_Object').append(message);
		} else {
			$('#no_io').remove("");
		}

}

function Person_handle_json(json) {

	console.log(json); 

    perQueries = perQueries+1;
    if(perQueries==3){
        $('#perLoader').css("display", "none");
    }

    var n_ps = $('#n_ps').text();
	var b = parseInt(n_ps);
	
	var i = 0;

	$.each(
		json['results']['bindings'],
		function (index, value) {
			var person = ""; /*Inserisci VALUE TIPOLOGIA*/
			var graph = value['graph']['value'];
			var graph_name = rewrite_graph(graph);

			person += /*INIZIO DIV*/ '<div class="row res"><div class="col-8"><p>' + graph_name + '<br />' +
			'<span id="' + value['subject']['value'] + '" class="title_doc persona">' + value['name']['value'] + '</span></p></div>' +
			'<div class="col d-flex align-items-start justify-content-end"><button type="button" id="' + value['subject']['value'] + '" class="persona btn btn-default" alt="persona" title="' +
			value['name']['value'] + '"><i class="fa fa-user"></i><p class="btn-text">Person</p></button>' +
			'<button type="button" value="Persona" id="' + value['subject']['value'] + '" class="cit btn btn-default" alt="scheda" title="Info"><i class="fa fa-quote-right"></i><p class="btn-text">Citation</p></button>' +
			/*DA QUI HYPERLINK ->*/'<button type="button" value="Persona" id="' + value['subject']['value'] + '" class="hyp btn btn-default" alt="scheda" title="Info"><i class="fa fa-link"></i><p class="btn-text">Hyperlink</p></button>' +
			/*DA QUI LOD ->*/'<a href="http://iperion.vm.fedcloud.eu/lodlive/?' + value['subject']['value'] + '" target="_blank"><button type="button" class="btn btn-default info" alt="LOD"><i class="fa fa-share-alt"></i><p class="btn-text">Lod</p></button></a></div></div>';

			i++;

			/*onclick=copy__Text("' + value['link']['value'] + '")*/

			$('#Person').append(person);

		});

	var n_oggetto = b + i;
	$('#n_ps').text("");
	$('#n_ps').append(n_oggetto);
	if (n_oggetto == 0) {
		$('#Person').text("");
		var message = '<p id="no_ps" class="no-results">Nessun <span>Persona</span> trovata</p>';
		$('#Person').append(message);
	} else {
		$('#no_ps').remove("");
	}

}

function Place_handle_json(json) {

//	console.log(json);

    lgQueries = lgQueries+1;
    if(lgQueries==1){
        $('#lgLoader').css("display", "none");
    }

    var n_pl = $('#n_pl').text();
	var b = parseInt(n_pl);
	
	var i = 0;

	$.each(
		json['results']['bindings'],
		function (index, value) {
			var place = ""; /*Inserisci VALUE TIPOLOGIA*/
			var graph = value['graph']['value'];
			var graph_name = rewrite_graph(graph);
			
			place += /*INIZIO DIV*/ '<div class="row res"><div class="col-8"><p>' + graph_name + '<br />' +
			'<span id="' + value['subject']['value'] + '" class="title_doc luogo">' + value['label']['value'] + '</span></p></div>' +
			'<div class="col d-flex align-items-start justify-content-end"><button type="button" id="' + value['subject']['value'] + '" class="luogo btn btn-default" alt="luogo" title="' +
			value['label']['value'] + '"><i class="fa fa-map"></i><p class="btn-text">Place</p></button>' +
			'<button type="button" value="Luogo" id="' + value['subject']['value'] + '" class="cit btn btn-default" alt="scheda" title="Info"><i class="fa fa-quote-right"></i><p class="btn-text">Citation</p></button>' +
			/*DA QUI HYPERLINK ->*/'<button type="button" value="Luogo" id="' + value['subject']['value'] + '" class="hyp btn btn-default" alt="scheda" title="Info"><i class="fa fa-link"></i><p class="btn-text">Hyperlink</p></button>' +
			/*DA QUI LOD ->*/'<a href="http://iperion.vm.fedcloud.eu/lodlive/?' + value['subject']['value'] + '" target="_blank"><button type="button" class="btn btn-default info" alt="LOD"><i class="fa fa-share-alt"></i><p class="btn-text">Lod</p></button></a></div></div>'; 

			i++;

			/*onclick=copy__Text("' + value['link']['value'] + '")*/

			$('#Place').append(place);

		});

		var n_oggetto = b + i;
		$('#n_pl').text("");
		$('#n_pl').append(n_oggetto);
		if (n_oggetto == 0) {
			$('#Place').text("");
			var message = '<p id="no_pl" class="no-results">No <span>oPlace</span> found</p>';
			$('#Place').append(message);
		} else {
			$('#no_pl').remove("");
		}

}

	//onlick hyperlink button

	$(document).on("click", ".hyp", function (ev) {

		var baseurl = window.location.origin+window.location.pathname;
		let slash = baseurl.lastIndexOf("/");
		var type = $(this).val() + '.html';
		var link = this.id;
		var url = baseurl.substr(0, slash+1) + type + "?link="+link;
		var link = this.id;
		$("#myModal").empty();
		$("#myModal").css("display", "block");
		$('#myModal').append("<div class='modal-content'><div class='modal-close'><span class='close'>&times;</span></div><div id='myInput'>" +
		  url + "</div><button id='copy_btn' class='btn btn-theme-primary btn-md' onclick='myFunction()'>Copia</button>");
	  
	});

	$(document).on("click", ".lettera", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		window.open("lettera.html?link="+this.id);
		

	});

	$(document).on("click", ".object", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		window.open("object.html?link="+this.id);
		

	});

	$(document).on("click", ".artwork", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		window.open("OA.html?link="+this.id);
		

	});

	$(document).on("click", ".persona", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		window.open("Persona.html?link="+this.id);
		

	});

	$(document).on("click", ".luogo", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		window.open("Luogo.html?link="+this.id);
		

	});

	$(document).on("click", ".close", function (ev) {

		var link = this.id;
		//alert(nome_autore);
		//$('#myModal').text("");
		$("#myModal").css("display", "none");

	});

	$(document).on("click", ".back", function (ev) {

		$("#myTab").css("display", "none");

	});

	$(document).on("click", ".cit", function (ev) {
  
		var author ="RESTORE. smart access to digital heritage and memory"
	  
		var year = new Date().getFullYear()
	  
		var today = new Date();
		var dd = String(today.getDate()).padStart(2, '0');
		var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
		var yyyy = today.getFullYear();
	  
		today = dd + '/' + mm + '/' + yyyy;
	  
		var baseurl = window.location.origin+window.location.pathname;
		let slash = baseurl.lastIndexOf("/");
		var type = $(this).val() + '.html';
		var link = this.id;
		var url = baseurl.substr(0, slash+1) + type + "?link="+link;
		//alert(nome_autore);
		//$('#myModal').text("");
		$("#myModal").empty();
		$("#myModal").css("display", "block");
		$('#myModal').append("<div class='modal-content'><div class='modal-close'><span class='close'>&times;</span></div><div id='myInput'>" + 
		  author + " " + year + ", accesso effettuato: " + today + ", &lt;" + url + "&gt;</div><button id='copy_btn' class='btn btn-theme-primary btn-md' onclick='myFunction()'>Copia</button>");
	  
	  });


	//#######################################

function prepareQueryURL(query){
	sparqlEndpoint = endpoint;
	sparqlUrlParams = '?default-graph-uri=&query=' + encodeURIComponent(query) + '&output=json&callback=?';
	return sparqlEndpoint + sparqlUrlParams;
}

// Esegue una query sull'endpoint SPARQL il cui testo completo deve essere fornito nel parametro-stringa 'query'
// Restituisce una lista di oggetti json nel formato di Virtuoso
// Il parametro opzionale 'isUnique', se messo a 'true' controlla che ci sia un unico risultato (un array di
// lunghezza 1) e se non è così restituisce un errore.



//restituisce direttamente l'oggetto della chiamata ajax
function doJsonQuery(query) {
	
	queryURL = prepareQueryURL(query);
	return $.ajax({
		url: queryURL,
        dataType: "json",
		type: 'GET'
    });
}


//funzione che prende il risultato della chiamata ajax e fa tutto quello che serve dopo
function manageMMO(result){
//	console.log(result);
    MMO_handle_json(result);
}

function manageINF(result){
//	console.log(result);
	InfObj_handle_json(result);	
}

function managePER(result){
//	console.log(result);
	Person_handle_json(result);
}

function manageLG(result){
//	console.log(result);
	Place_handle_json(result);
}



function populateOption() {
	const graph_selector = document.getElementById("graph_selector");
	const graph_selector2 = document.getElementById("graph_selector2");

	const createOption = (graph_selector, text, value) => {
		const opt = document.createElement('option');
		opt.value = value;
		opt.text = text;
		graph_selector.options.add(opt);
	}

	const configureDropDownLists = (graph_selector, graph_selector2) => {
		const ASPO = [
			['All fonds', ''], 
			['Datini Fond', 'aspo_datini'],
			['Ospedale Misericordia e Dolce Fond', 'aspo_ospedale'],
			['Marcovaldi Fond', 'aspo_marcovaldi'],
			['Gettatelli Fond', 'aspo_gettatelli']
		];
		const MPP = [
			['All', ''],
			['Galleria Martini', 'mpp_martini'],
			['Artwork from Ospedale', 'mpp_ospedale'],
			['Datini iconography', 'mpp_datini']
		];
		const OVI = [
			['All letters', ''],
			['Letters', 'ovi_lettere']
		];
		graph_selector2.options.length = 0
	  
		switch (graph_selector.value) {
		  case 'ASPO':
			for (const c of ASPO) {
			  createOption(graph_selector2, c[0], c[1]);
			}
			break;
		  case 'MPP':
			for (const s of MPP) {
			  createOption(graph_selector2, s[0], s[1]);
			}
			break;
		  case 'OVI':
			for (const n of OVI) {
			  createOption(graph_selector2, n[0], n[1]);
			}
			break;
		  default:
			break;
		}
	  }
	
	graph_selector.addEventListener('change', () => {
		$("#graph_selector2").css("display", "block");
		configureDropDownLists(graph_selector, graph_selector2)
	});
}

function getGraph(graph1, graph2) {
	var search_graph = "";

		if ((graph1 == '') && (graph2 == '')) {
			search_graph = ""; 
		}
		else if ((graph1 != '') && (graph2 == '')) {
			if (graph1 == "ASPO") {
				search_graph = "VALUES ?g {<" + uri_base + "/aspo/datini> \
					<" + uri_base + "/aspo/ospedale> \
					<" + uri_base + "/aspo/marcovaldi> \
					<" + uri_base + "/aspo/gettatelli>}";
			}
			if (graph1 == "MPP") {
				search_graph = "VALUES ?g {<" + uri_base + "/mpp/martini> \
					<" + uri_base + "/mpp/ospedale> \
					<" + uri_base + "/mpp/datini> \
					<" + uri_base + "/mpp/autori> }";
			}
			if (graph1 == "OVI") {
				search_graph = "VALUES ?g {<" + uri_base + "/ovi/datini>}";
			}
		} 
		else if (graph2 != '') {
			if (graph2 == "aspo_datini") {
				search_graph = "VALUES ?g {<" + uri_base + "/aspo/datini>}";
			}
			if (graph2 == "aspo_ospedale") {
				search_graph = "VALUES ?g {<" + uri_base + "/aspo/ospedale>}";
			}
			if (graph2 == "aspo_marcovaldi") {
				search_graph = "VALUES ?g {<" + uri_base + "/aspo/marcovaldi>}";
			}
			if (graph2 == "aspo_gettatelli") {
				search_graph = "VALUES ?g {<" + uri_base + "/aspo/gettatelli>}";
			}
			if (graph2 == "mpp_martini") {
				search_graph = "VALUES ?g {<" + uri_base + "/mpp/martini>}";
			}
			if (graph2 == "mpp_ospedale") {
				search_graph = "VALUES ?g {<" + uri_base + "/mpp/ospedale>}";
			}
			if (graph2 == "mpp_datini") {
				search_graph = "VALUES ?g {<" + uri_base + "/mpp/datini>}";
			}
			if (graph2 == "ovi_lettere") {
				search_graph = "VALUES ?g {<" + uri_base + "/ovi/datini>}";
			}
		} else {
			search_graph = "";
		}

	return search_graph;
}

function copyToClipboard(text) {
    var sampleTextarea = document.createElement("textarea");
    document.body.appendChild(sampleTextarea);
    sampleTextarea.value = text; //save main text in it
    sampleTextarea.select(); //select textarea contenrs
    document.execCommand("copy");
    document.body.removeChild(sampleTextarea);
}

function myFunction(){
    var copy = document.getElementById("myInput");
    copyText = copy.textContent;
    copyToClipboard(copyText);

    //copyToClipboard(copyText.value);
}