// Raccatto i parametri dall'URL -- mi aspetto un parametro di nome 'link'!
thisUrlParams = {};
window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) {
    thisUrlParams[key] = value;
});
console.log('URL get params: ', thisUrlParams);

// Funzioni per eseguire le queries
function prepareQueryURL(query){
    sparqlEndpoint = 'http://dev.restore.ovi.cnr.it:8890/sparql/';
    sparqlUrlParams = '?default-graph-uri=&query=' + encodeURIComponent(query) + '&output=json&callback=?';
    return sparqlEndpoint + sparqlUrlParams;
}

function doJsonQuery(query){

    queryURL = prepareQueryURL(query);

    response = $.ajax({//OGGETTO

        url: queryURL,
        dataType: "json",
        success: function (data){},
        error: function (e) {}
    });

    return response;

}

// Funzioni per raccattare + stringhificare l'output
queryStringOutput = "";
function stringifyResponse(val){
    resultArray = val['results']['bindings'];
    out = "";
    for(i = 0; i < resultArray.length; i++){
        out = out + JSON.stringify(resultArray[i])
    }
    queryStringOutput = (queryStringOutput + out).replace("}{",",");
}

prefixes = "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> \
PREFIX crm: <http://www.cidoc-crm.org/cidoc-crm/> \
PREFIX owl: <http://www.w3.org/2002/07/owl#>"

query = prefixes + " SELECT DISTINCT ?graph ?name_place ?coordinates ?ref ?toponym {\
GRAPH ?graph {<" + thisUrlParams.link + "> crm:P168_place_is_defined_by ?coordinates;\
rdfs:label ?name_place ;\
owl:sameAs ?ref;\
crm:P1_is_identified_by ?uri_toponym .\
?uri_toponym rdfs:label ?toponym\
}\
}"

queryRiferimenti = prefixes + " SELECT DISTINCT ?references {\
<" + thisUrlParams.link + "> owl:sameAs ?references\
}"

queryToponimi = prefixes + " SELECT DISTINCT ?toponimi {\
<" + thisUrlParams.link + "> crm:P1_is_identified_by ?uri_toponym .\
?uri_toponym rdfs:label ?toponimi\
}"

queryRicezione = prefixes + " SELECT DISTINCT ?object ?label {\
<" + thisUrlParams.link + "> owl:sameAs ?place .\
?event_to crm:P26_moved_to ?place ;\
rdf:type crm:EL3_Receive_Letter ;\
rdfs:subClassOf ?event .\
?object crm:P25i_moved_by ?event ; \
rdfs:label ?label .\
} "

queryInvio = prefixes + " SELECT DISTINCT ?object ?label {\
<" + thisUrlParams.link + "> owl:sameAs ?place .\
?event_to crm:P27_moved_from ?place ;\
rdf:type crm:EL2_Send_Letter ;\
rdfs:subClassOf ?event .\
?object crm:P25i_moved_by ?event ; \
rdfs:label ?label .\
}"

queryCitazione = prefixes + " SELECT DISTINCT ?object ?label{\
<" + thisUrlParams.link + "> crm:P1_is_identified_by ?toponym .\
?object crm:P67_refers_to ?toponym ;\
rdfs:label ?label\
}"


queryURL = prepareQueryURL(query);

queryRef = prepareQueryURL(queryRiferimenti);

queryTopo = prepareQueryURL(queryToponimi);

queryRec = prepareQueryURL(queryRicezione);

querySend = prepareQueryURL(queryInvio);

queryCit = prepareQueryURL(queryCitazione);


response = $.ajax({//OGGETTO

    url: queryURL,
    dataType: "json",
    success: function (data){
    	handle_data(data);
    },
    error: function (e) {}
});


response_ref = $.ajax({//OGGETTO

    url: queryRef,
    dataType: "json",
    success: function (data){
      handle_ref(data);
    },
    error: function (e) {}
});

response_top = $.ajax({//OGGETTO

    url: queryTopo,
    dataType: "json",
    success: function (data){
      handle_toponym(data);
    },
    error: function (e) {}
});

response_receive = $.ajax({//OGGETTO

    url: queryRec,
    dataType: "json",
    success: function (data){
      handle_receive(data);
    },
    error: function (e) {}
});

response_send = $.ajax({//OGGETTO

    url: querySend,
    dataType: "json",
    success: function (data){
      handle_send(data);
    },
    error: function (e) {}
});

response_cit = $.ajax({//OGGETTO

    url: queryCit,
    dataType: "json",
    success: function (data){
      handle_cit(data);
    },
    error: function (e) {}
});


function handle_data(json) {
	console.log(json);

	const locations = [];

	$.each(
			json['results']['bindings'],
			function (index, value) {
				const loc = []
				var graph = value['graph']['value'];
        var ref = value['ref']['value'];
				var label = value['name_place']['value'];
				var coord = value['coordinates']['value'];
				const coordinates = coord.split(", ");
				loc.push(label);
				loc.push(coordinates[0]);
				loc.push(coordinates[1]);
				locations.push(loc);

        document.getElementById("grafo").innerHTML = graph;
        document.getElementById("nome_luogo").innerHTML = label;
				
			});

	var map = L.map('map').setView([locations[0][1], locations[0][2]], 12);
	mapLink = '<a href="http://openstreetmap.org">OpenStreetMap</a>';

	L.tileLayer(
	  'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
	    attribution: '&copy; ' + mapLink + ' Contributors',
	    maxZoom: 18,
	  }).addTo(map);

	for (var i = 0; i < locations.length; i++) {
	  marker = new L.marker([locations[i][1], locations[i][2]])
	    .bindPopup(locations[i][0])
	    .addTo(map);
	}
}


function handle_ref(json) {

  console.log(json);

  const references = [];

  $.each(
      json['results']['bindings'],
      function (index, value) {
        var ref = value['references']['value'];
        references.push(ref);        
      });
  
  document.getElementById("riferimenti").innerHTML = references;
  
}

function handle_toponym(json) {

  console.log(json);

  const toponym = [];

  $.each(
      json['results']['bindings'],
      function (index, value) {
        var topo = value['toponimi']['value'];
        toponym.push(topo);        
      });
  
  document.getElementById("toponimi").innerHTML = toponym;

}

function handle_receive(json) {

  console.log(json);

  const received = {};

  $.each(
      json['results']['bindings'],
      function (index, value) {
        key = value['object']['value'];
        data = value['label']['value'];   
        received[key] = data;     
      });

  var myArray = "";

  for (var key in received) {
    myArray += received[key] + "<br />";
  }

  document.getElementById("object_receive").innerHTML = myArray;

}


function handle_send(json) {

  console.log(json);

  const sent = {};

  $.each(
      json['results']['bindings'],
      function (index, value) {
        key = value['object']['value'];
        data = value['label']['value'];   
        sent[key] = data;     
      });

  var myArray = "";

  for (var key in sent) {
    myArray += sent[key] + "<br />";
  }

  document.getElementById("object_send").innerHTML = myArray;

}

function handle_cit(json) {

  console.log(json);

  const citations = {};

  $.each(
      json['results']['bindings'],
      function (index, value) {
        key = value['object']['value'];
        data = value['label']['value'];   
        citations[key] = data;     
      });

  var myArray = "";

  for (var key in citations) {
    myArray += citations[key] + "<br />";
  }

  document.getElementById("object_cit").innerHTML = myArray;

}




//out = "";
//for(i = 0; i < resultArray.length; i++){
 //   out = out + JSON.stringify(resultArray[i])
//}
//queryStringOutput = (queryStringOutput + out).replace("}{",",");


/*

var locations = [
  ["LOCATION_1", 11.8166, 122.0942],
  ["LOCATION_2", 11.9804, 121.9189],
  ["LOCATION_3", 10.7202, 122.5621],
  ["LOCATION_4", 11.3889, 122.6277],
  ["LOCATION_5", 10.5929, 122.6325]
];

var map = L.map('map').setView([11.206051, 122.447886], 8);
mapLink =
  '<a href="http://openstreetmap.org">OpenStreetMap</a>';
L.tileLayer(
  'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; ' + mapLink + ' Contributors',
    maxZoom: 18,
  }).addTo(map);

for (var i = 0; i < locations.length; i++) {
  marker = new L.marker([locations[i][1], locations[i][2]])
    .bindPopup(locations[i][0])
    .addTo(map);
}
*/