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

	const cantobadgeclass = 'badge badge-outline-info badge-pill'

	const sparqlGenerator = sparqljs.Generator;
	const myEngine = new Comunica.QueryEngine();
	const sparqlEndpoint = "https://hdnlab1.isti.cnr.it/fuseki/commediaontosintgra/query";
	//const sparqlEndpoint = "https://hdnlab1.isti.cnr.it/fuseki/hdntest/query";
	var primaCanticaLoaded = false;
	var secondaCanticaLoaded = false;
	var terzaCanticaLoaded = false;

	var currentMinimap = ''

	//caricamento prima cantica
	$('#cantica1').on('click', function() {
		hideMinimap();

		if (!(primaCanticaLoaded)) {

			showCantica('Inferno')
			primaCanticaLoaded = true;
			$(".labelCantica").attr('style', "display: block;");
		}
		else {
			$("#CantiInferno").attr('style', 'display:block')
		}

	});

	//caricamento seconda cantica
	$('#cantica2').on('click', function() {
		hideMinimap();

		if (!(secondaCanticaLoaded)) {

			showCantica('Purgatorio')
			secondaCanticaLoaded = true;
			$(".labelCantica").attr('style', "display: block;");
		}
		else {
			$("#CantiPurgatorio").attr('style', 'display:block')
		}
	});

	//caricamento terza cantica
	$('#cantica3').on('click', function() {
		hideMinimap();
		activateMenuItem('#cantica3')
		if (!(terzaCanticaLoaded)) {
			showCantica('Paradiso')
			terzaCanticaLoaded = true;
			$(".labelCantica").attr('style', "display: block;");
		}
		else {
			$("#CantiParadiso").attr('style', 'display:block')
		}


	});
	var mmih = 0
	var mmiw = 0
	var minimapScrolling = false;
	var displayId = 'displaycanto'
	var minimapTopPos;
	$("#" + displayId).scroll(function() {
		if (minimapScrolling) {
			minimapScrolling = false
			console.log('no scroll')
		}
		else {
			console.log('yes scrolling')
			console.log("viewer top pos before: " + $('#minimapviewer').offset().top)
			trackScrollCanto()
			console.log("viewer top pos after: " + $('#minimapviewer').offset().top)
		}
	});



	jQuery(document).delegate('.navig-canto', 'click', function(e) {
		$('.canto').each(function() {
			$(this).attr("style", 'display:none');
		});
		$("#" + $(this).attr('name').replace(" ", "_")).attr('style', 'display:block')

		mmiw = $("#" + displayId).innerWidth();
		mmih = $("#" + displayId).innerHeight();

		showMinimap($(this).attr('name').replace(" ", "_"))

		currentMinimap = $(this).attr('name').replace(" ", "_");
		//mmviewer diventa draggable
		minimapTopPos = $('#minimapviewer').offset().top
		console.log("top viewer init " + minimapTopPos)

		$('#minimapviewer').draggable({
			axis: "y",
			containment: $('#displayminimap'),
			scroll: false,
			stop: function(event, ui) { minimapScrolling = true; },
			stop: function(event, ui) { minimapScrolling = false; },
			drag: function(event, ui) {

				minimapScrolling = true;
				trackScrollViewer(ui.offset.top - minimapTopPos);
				//trackScrollViewer(ui.offset.top);
				console.log(ui);
				//document.getElementById(displayId).style.transform=`translateY(${viewer.scrollTop * realScale}px)`;
			}
		});


	});

	//Query

	jQuery(document).delegate('#searchcomm', 'click', function(e) {

		cleanSearchResult()
		esprlogica = []

		esprlogica.push('Clausola1')
		condizioni = { "EsprLogica": esprlogica }
		clausola = {}
		clausola['typeGramm0'] = $('#queryText').val()



		clausola['queryText'] = ""
		condizioni['Clausola1'] = clausola
		jsonQuery = buildSQ(condizioni)
		myquery = new sparqlGenerator().stringify(jsonQuery)

		executeQuerySearch(myquery)

	});

	//Reset

	jQuery(document).delegate('#cleanresult', 'click', function(e) {
		console.log('clean')
		cleanSearchResult()
		esprlogica = []
		$('#queryText').val("")

	});

	//Utility functions

	//activate navigation menu items

	function cleanSearchResult() {

		for (verso of listarisultati) {
			idverso = '#' + verso
			//console.log(idverso)
			$(idverso).attr('class', 'f6text-secondary text-nowrap font-weight-lighter')
		}
		$(".badge").remove();
		listarisultati = []
		if (currentMinimap != '')
			showMinimap(currentMinimap)
	}

	//START minimap management
	
	let minimap = document.createElement('div');
	let minimapSize = document.createElement('div');
	let viewer = document.createElement('div');
	let minimapContent = document.createElement('iframe');
	let scale = 0.1;
	let realScale;
	let mappedElement = ''

	function showMinimap(element) {

		mmplace = document.getElementById('displayminimap')

		minimap.className = 'minimap__container'
		minimap.id = 'minimapcontainer'
		minimapSize.className = 'minimap__size'
		minimapSize.id = 'minimapsize'
		viewer.className = 'minimap__viewer'
		viewer.id = 'minimapviewer'
		minimapContent.className = 'minimap__content'
		//class="col-3 px-0"
		minimap.append(minimapSize, viewer, minimapContent);

		mmplace.appendChild(minimap)


		let html = document.getElementById(element).outerHTML//innerHTML
		//console.log(html)
		if (html == null || html == '')
			return;

		let iFrameDoc = minimapContent.contentWindow.document;


		var cssLinkb = document.createElement("link");
		cssLinkb.href = "https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css";
		cssLinkb.rel = "stylesheet";
		cssLinkb.type = "text/css";

		var cssLinkscroll = document.createElement("link");
		cssLinkscroll.href = "./css/browsingldc.css";
		cssLinkscroll.rel = "stylesheet";
		cssLinkscroll.type = "text/css";

		iFrameDoc.open();
		iFrameDoc.write(html);
		iFrameDoc.close();

		iFrameDoc.head.appendChild(cssLinkb);
		iFrameDoc.head.appendChild(cssLinkscroll);
		mappedElement = element

		getDimensionsDiv()

		window.addEventListener('scroll', trackScroll)


		//document.getElementById(displayId).addEventListener('resize', getDimensionsDiv)

		window.addEventListener('resize', getDimensionsDiv)

	}


	function getInnerHeight(elm) {
		var computed = getComputedStyle(elm),
			padding = parseInt(computed.paddingTop) + parseInt(computed.paddingBottom);

		return elm.clientHeight - padding
	}

	function getDimensionsDiv() {

		cantoplace = document.getElementById(displayId)

		elementplace = document.getElementById(mappedElement)

		bodyWidth = elementplace.clientWidth;
		let bodyRatio = elementplace.clientHeight / bodyWidth;
		let winRatio = getInnerHeight(cantoplace) / (cantoplace.clientWidth);


		minimap.style.width = '100%';


		realScale = minimap.clientWidth / bodyWidth;

		minimapSize.style.paddingTop = `${bodyRatio * 100}%`

		viewer.style.paddingTop = `${winRatio * 100}%`;
		minimapContent.style.transform = `scale(${realScale})`;
		minimapContent.style.width = `${(100 / realScale)}%`;
		minimapContent.style.height = `${(100 / realScale)}%`;

	}

	function trackScroll() {

		viewer.style.transform = `translateY(${window.scrollY * realScale}px)`
	}
	function trackScrollCanto() {
		console.log('cantoscrollT*realscale ' + document.getElementById(displayId).scrollTop * realScale + ' top: ' + document.getElementById(displayId).scrollTop)
		viewer.style.transform = `translateY(${document.getElementById(displayId).scrollTop * realScale}px)`

	}
	function trackScrollViewer(toppos) {
		console.log('scrollMMView top*1/realScale: ' + toppos * (1 / realScale) + ' top  pos: ' + toppos)
		did = document.getElementById(displayId)

		did.scrollTop = (toppos * (1 / realScale))

	}

	function hideMinimap() {
		$('.canto').each(function() {
			$(this).attr("style", 'display:none');
		});
		$(".minimap__container").remove();
		currentMinimap = ''
	}

	//END minimap management

	//Cantica management functions

	function showCantica(cantica) {
		var listaCanti = new Set()
		var setVersi = new Set()
		containerForme = formeterza
		if (cantica == 'Inferno')
			containerForme = formeprima
		if (cantica == 'Purgatorio')
			containerForme = formeseconda
		for (cmpItem of containerForme) {
			formaItem = cmpItem[0].split("_")
			listaCanti = createDivCanti(listaCanti, cantica, 'Canto ' + formaItem[1])

			var obj = new Object();
			var forma = new Object()
			setVersi = createDivVersi(setVersi, cantica, formaItem[3], 'Canto ' + formaItem[1])

			forma.numverso = formaItem[3];
			forma.canto = 'Canto ' + formaItem[1];
			forma.pos = formaItem[2];
			forma.form = formaItem[0];
			forma.cantica = cantica;
			createSpanForme(forma)
			//listaForme.push(forma)
		}
		return
	}

	function createSpanForme(element) {
		var spanoccorrenza = $('<span />')
		var pos = parseInt(element.pos)
		spanoccorrenza.attr('id', element.cantica + "_" + element.canto.replace(" ", "_") + "_" + element.numverso + "_" + pos)
		if (listarisultati.length > 0 && listarisultati.includes(spanoccorrenza.attr('id')))
			spanoccorrenza.attr('class', "f6 mark ")
		spanoccorrenza.append(element.form.replaceAll("%20", " "))
		elementoverso = $('#' + element.cantica + "_" + element.canto.replace(" ", "_") + "_" + element.numverso)
		spanoccorrenza.appendTo(elementoverso)
		elementoverso.append('&nbsp;')

	}

	function createDivVersi(setVersi, cantica, num, canto) {
		if (setVersi.has(cantica + "_" + num + "_" + canto))
			return setVersi
		else {
			var elementoverso = $('<p />')
			elementoverso.append(num + ". ")
			elementoverso.attr("style", "line-height: 0.5em")
			elementoverso.attr('class', 'f6 text-secondary text-nowrap font-weight-lighter')

			elementoverso.attr('id', cantica + "_" + canto.replace(" ", "_") + "_" + num)
			elementoverso.appendTo('#' + cantica + canto.replace(" ", "_"))
			setVersi.add(cantica + "_" + num + "_" + canto)
			return setVersi
		}

	}

	function createDivCanti(orderedListaCanti, cantica, canto) {
		if (orderedListaCanti.has(canto)) {
			return orderedListaCanti
		}
		var divcanto = $('<div />')
		var titolocanto = $('<h4 class="titolo-canto pb-2" />')
		titolocanto.append(cantica + ", " + canto)
		divcanto.attr('class', 'canto')
		divcanto.attr('style', 'display:none')
		divcanto.attr('id', (cantica + canto).replace(" ", "_"))
		titolocanto.appendTo(divcanto)
		divcanto.appendTo(' .blog-main')
		orderedListaCanti.add(canto)
		return orderedListaCanti
	}

	// SEARCH

	//execute query
	
	var listarisultati = [];
	async function executeQuerySearch(query) {
		seachbBindingsStream = await myEngine.queryBindings(query, { sources: [{ type: 'sparql', value: sparqlEndpoint },], });
		//console.log(query)
		alert(query)
		try {
			var result = new Set()
			var resultsInCantica = []
			var resultsInCanto = []
			seachbBindingsStream.on('data', (binding) => {
				//cantica
				cantica = binding.get('Cantica').value;
				resultsInCantica.push(cantica);
				//canto
				canto = binding.get('Canto').value;
				resultsInCanto.push(cantica + canto)
				//numero del verso
				numverso = binding.get('NumeroVerso').value;
				//posizione delframmento
				pos = binding.get('pos').value;
				result.add(cantica + "_" + canto.replace(" ", "_") + "_" + numverso + "_" + pos)

			});
			seachbBindingsStream.on('end', () => {
				listarisultati = Array.from(result)
				cantiche = ["Inferno", "Purgatorio", "Paradiso"]

				//evidenzia risultati
				for (ris of listarisultati) {
					idris = '#' + ris
					$(idris).attr('class', "f6 mark ")

				}
				//aggiunge badge con totale risultati accanto alle cantiche
				i = 0
				for (cantica of cantiche) {
					i += 1
					let count = resultsInCantica.reduce((n, x) => n + (x === cantica), 0);
					var spanbadgecantica = $('<span />');
					spanbadgecantica.attr('class', 'badge badge-primary badge-pill ml-1');
					spanbadgecantica.append(count)
					spanbadgecantica.appendTo($('#cantica' + i))
				}
				//aggiunge badge con totale risultati accanto ai canti

				for (cantica of cantiche) {
					for (k of Array(35).keys()) {
						if (k == 0)
							continue
						let count = resultsInCanto.reduce((n, x) => n + (x === cantica + 'Canto ' + k), 0);

						var spanbadge = $('<span />');
						spanbadge.attr('class', cantobadgeclass);
						spanbadge.append(count)
						//$("[name='nameofobject']")
						spanbadge.appendTo($('[name="' + cantica + 'Canto ' + k + '"]'))
						//spanbadge.insertAfter($('[name="'+cantica+'Canto '+k+'"]'))
					}
				}


				//aggiorna minimap
				if (currentMinimap != '') {

					showMinimap(currentMinimap)

				}


			});
		}
		catch (err) {
			console.log(err.message);
			$("#loader").hide();
		};
	};


});