var loader = new PIXI.Loader();
var colors = [
  "66FF00",
  "FF5555",
  "FFE419",
  "2A7FFF",
  "BC5FD3",
  "C8AB37",
  "ECECEC",
  "FF6600",
];
for (var i in colors) {
  loader.add("marker" + colors[i] + "", "src/img/plane-" + colors[i] + ".png");
}

//global variable
var nbPlane = 0;

loader.add("shadow", "src/img/shadow.png");
loader.load(function (loader, resources) {
  var pixiContainer = new PIXI.Container();

  var map = L.map("map", {
    zoomControl: false,
    minZoom: 2,
    maxZoom: 16,
    maxBounds: [
      [-Infinity, -360],
      [Infinity, 360],
    ],
    //worldCopyJump: true,
    attributionControl: false,
  });

  //zoom controls
  L.control.zoom({ position: "bottomright" }).addTo(map);
  //Locate user
  L.control.locate({ position: "bottomright" }).addTo(map);
  //fullscreen
  map.addControl(new L.Control.Fullscreen({ position: "bottomright" }));

  // Licence Icon
  L.Control.Watermark = L.Control.extend({
    onAdd: function (map) {
      var img = L.DomUtil.create("img");

      img.src = "src/img/licence.svg";
      img.style.width = "100px";

      return img;
    },
  });
  L.control.watermark = function (opts) {
    return new L.Control.Watermark(opts);
  };
  L.control.watermark({ position: "bottomleft" }).addTo(map);
  //scale
  L.control.scale().addTo(map);

  //disabling send plane button if alreada 100 planes sent the current day

  $.post("avionJournalier.php", function (result) {
    result = result.replace(/'/g, '"');
    result = $.parseJSON(result);
    nbPlane = Number(result.nAvion);
    $("#buttonNewPlane").val(
      "Lancer un avion-poème " + Number(result.nAvion) + "/100"
    );
    if (nbPlane > 99) {
      $("#buttonNewPlane").prop("disabled", true);
    } else {
    }
    translateUI(lang);
  });

  //background
  L.tileLayer(
    "https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",
    {
      attribution: "",
      //minZoom:8,
      maxZoom: 16,
    }
  ).addTo(map);

  //adding terminator
  var terminator = L.terminator().addTo(map);
  setInterval(function () {
    terminator.setTime();
  }, 1000);

  //center map on sun by default
  function centerOnSun() {
    var equator = turf.lineString([
      [-1000, 0],
      [1000, 0],
    ]);
    var intersects = turf.lineIntersect(equator, terminator.toGeoJSON());
    //console.log(intersects)
    var lonCenter =
      (intersects.features[1].geometry.coordinates[0] +
        intersects.features[2].geometry.coordinates[0]) /
      2;
    //console.log(lonCenter)
    return lonCenter;
  }
  map.setView([30, 0], 2);

  //could layer from GBIS NASA  - always 1 day of delay
  var twoDaysAgo = moment(new Date()).subtract(2, "days").format("YYYY-MM-DD");
  L.tileLayer(
    "https://map1.vis.earthdata.nasa.gov/wmts-webmerc/VIIRS_SNPP_CorrectedReflectance_TrueColor/default/" +
      twoDaysAgo +
      "/GoogleMapsCompatible_Level9/{z}/{y}/{x}.jpg",
    {
      attribution: "",
      maxZoom: 8,
      opacity: 0.4,
    }
  ).addTo(map);

  //Bluring the terminator | Source: https://stackoverflow.com/questions/28235792/leaflet-polygon-with-fuzzy-outline
  var svg = map.getPanes().overlayPane.firstChild,
    svgFilter = document.createElementNS(
      "http://www.w3.org/2000/svg",
      "filter"
    ),
    svgBlur = document.createElementNS(
      "http://www.w3.org/2000/svg",
      "feGaussianBlur"
    );
  svgFilter.setAttribute("id", "blur");
  svgFilter.setAttribute("x", "-100%");
  svgFilter.setAttribute("y", "-100%");
  svgFilter.setAttribute("width", "500%");
  svgFilter.setAttribute("height", "500%");
  svgBlur.setAttribute("stdDeviation", 15);
  svgFilter.appendChild(svgBlur);
  svg.appendChild(svgFilter);
  terminator._path.setAttribute("filter", "url(#blur)");

  //geojson for arclines
  //travel
  var arcTravelStyle = {
    color: "#00ff00",
    weight: 2.5,
    dashArray: "10 5",
    opacity: 0.65,
  };
  var arcTravel = L.geoJSON([], { style: arcTravelStyle }).addTo(map);
  //travelled
  var arcTravelledStyle = {
    color: "#00ff00",
    weight: 2.5,
    opacity: 0.65,
  };
  var arcTravelled = L.geoJSON([], { style: arcTravelledStyle }).addTo(map);

  var pulsatingMarker = L.layerGroup([]).addTo(map);
  var originMarker = L.layerGroup([]).addTo(map);

  var firstDraw = true;
  var prevZoom;

  var pixiOverlay = L.pixiOverlay(function (utils, event) {
    var zoom = utils.getMap().getZoom();
    var container = utils.getContainer();
    var renderer = utils.getRenderer();
    var project = utils.latLngToLayerPoint;
    var scale = utils.getScale();

    if (firstDraw) {
      //get planes
      $.post("getCurrentPlanes.php", function (result) {
        // console.log(result)
        var planes = $.parseJSON(result);
        console.log(planes);
        function formatResults(data) {
          data.deliveryTime = Number(data.deliveryTime) * 1000;
          data.startTime = Number(data.startTime) * 1000;
          return data;
        }

        function displayPlane(data) {
          var line = turf.greatCircle(
            turf.point([Number(data.startLon), Number(data.startLat)]),
            turf.point([Number(data.destLon), Number(data.destLat)]),
            { offset: 20 }
          );
          var lineDistance = turf.length(line);
          var dateStart = moment(data.startTime);
          var dateEnd = moment(data.deliveryTime);
          var dateNow = moment(new Date());
          var totalSeconds = dateEnd.diff(dateStart, "seconds");
          var travelledSeconds = dateNow.diff(dateStart, "seconds");
          var travelRatio = travelledSeconds / totalSeconds;
          var travelledDistance = lineDistance * travelRatio; // getting the travelled distance
          var segment;
          if (line.geometry.type == "MultiLineString") {
            // if the arc is cutting the dateline, well it's a mess.
            var l1 = turf.lineString(line.geometry.coordinates[0]); // creating a line from first segment
            var l2 = turf.lineString(line.geometry.coordinates[1]); // creating a line from second segment
            var l1Length = turf.length(l1); // calculating length of first segment
            if (travelledDistance < l1Length) {
              // if the travelled distance is inferior to segment 1 line, the point is somewhere in it
              segment = l1;
              data.position = 1;
            } else {
              segment = l2; // otherwise on segment 2
              data.position = 2;
              travelledDistance = Number(travelledDistance) - Number(l1Length); // we remove the travel distance done in s1
            }
          } else {
            segment = line;
            data.position = 0;
          }
          var currentPosition = turf.along(segment, travelledDistance, {
            units: "kilometers",
          });
          if (currentPosition.geometry.coordinates[0] < -180) {
            currentPosition.geometry.coordinates[0] =
              currentPosition.geometry.coordinates[0] + 360;
          }
          if (currentPosition.geometry.coordinates[0] > 180) {
            currentPosition.geometry.coordinates[0] =
              currentPosition.geometry.coordinates[0] - Number(360);
          }
          //calculating bearing based on two points, one just before and one just after
          var positionBefore = turf.along(
            segment,
            travelledDistance - 0.00001,
            { units: "kilometers" }
          );
          var positionAfter = turf.along(segment, travelledDistance + 0.00001, {
            units: "kilometers",
          });
          var rotation = turf.bearing(positionBefore, positionAfter);

          //plane
          var iconColor = "marker" + data.color;
          var markerTexture = resources[iconColor].texture;
          var marker = new PIXI.Sprite(markerTexture);
          marker.anchor.set(0.5, 0.5);
          var markerCoords = project([
            currentPosition.geometry.coordinates[1],
            currentPosition.geometry.coordinates[0],
          ]);
          marker.x = markerCoords.x;
          marker.y = markerCoords.y;
          marker.angle = rotation;
          marker.scale.set(5);
          marker.interactive = true;
          marker.cursor = "pointer";
          marker.data = data;
          marker.data.line = line;
          marker.data.currentPosition = currentPosition;

          //shadow
          var shadowTexture = resources.shadow.texture;
          var shadow = new PIXI.Sprite(shadowTexture);
          shadow.anchor.set(0.5, 0.5);
          shadow.x = markerCoords.x;
          shadow.y = markerCoords.y + 0.5;
          shadow.angle = rotation;
          shadow.scale.set(0.00025);
          shadow.alpha = 0.3;
          shadow.visible = false;

          //popup
          marker.popup = L.popup({ className: "pixi-popup" });

          pixiContainer.addChild(shadow);
          pixiContainer.addChild(marker);

          renderer.render(container);

          //adapting scale based on zoom level. Max zoom = writting visible
          map.on("zoomend", function () {
            marker.scale.set(
              1 / (utils.getScale(map.getZoom()) * 20) +
                (Math.pow(map.getZoom(), 2) / 100) *
                  2 *
                  (1 / (utils.getScale(map.getZoom()) * 20))
            );
            if (map.getZoom() == 16) {
              shadow.visible = true;
            } else {
              shadow.visible = false;
            }
          });

          //animating moving plane
          setInterval(function () {
            animate();
          }, 1000);

          function animate() {
            if (map.getZoom() > 12) {
              // we animate only starting zoom 12
              var bounds = map.getBounds();
              var bbox = [
                bounds._southWest.lng,
                bounds._southWest.lat,
                bounds._northEast.lng,
                bounds._northEast.lat,
              ];
              var extentPoly = turf.bboxPolygon(bbox);
              var planeInExtent = turf.booleanWithin(
                marker.data.currentPosition,
                extentPoly
              );
              if (planeInExtent == true) {
                // we animate only the planes in map extent
                var dateNow = moment(new Date());
                var totalSeconds = dateEnd.diff(dateStart, "seconds");
                var travelledSeconds = dateNow.diff(dateStart, "seconds");
                var travelRatio = travelledSeconds / totalSeconds;
                var lineDistance = turf.length(line);
                var segment;
                var travelledDistance = lineDistance * travelRatio; // getting the travelled distance
                if (line.geometry.type == "MultiLineString") {
                  // if the arc is cutting the dateline
                  var l1 = turf.lineString(line.geometry.coordinates[0]); // creating a line from first segment
                  var l2 = turf.lineString(line.geometry.coordinates[1]); // creating a line from second segment
                  var l1Length = turf.length(l1); // calculating length of first segment
                  if (travelledDistance < l1Length) {
                    // if the travelled distance is inferior to segment 1 line, the point is somewhere in it
                    segment = l1;
                    marker.data.position = 1; // we store it, usefull for popup event
                  } else {
                    segment = l2; // otherwise on segment 2
                    marker.data.position = 2;
                    travelledDistance =
                      Number(travelledDistance) - Number(l1Length); // we remove the travel distance done in s1
                  }
                } else {
                  segment = line;
                }
                var currentPosition = turf.along(segment, travelledDistance, {
                  units: "kilometers",
                });
                //troubleshooting extreme lons
                if (currentPosition.geometry.coordinates[0] < -180) {
                  currentPosition.geometry.coordinates[0] =
                    currentPosition.geometry.coordinates[0] + 360;
                }
                if (currentPosition.geometry.coordinates[0] > 180) {
                  currentPosition.geometry.coordinates[0] =
                    currentPosition.geometry.coordinates[0] - Number(360);
                }
                marker.data.currentPosition = currentPosition;
                var markerCoords = project([
                  currentPosition.geometry.coordinates[1],
                  currentPosition.geometry.coordinates[0],
                ]);
                marker.x = markerCoords.x;
                marker.y = markerCoords.y;
                shadow.x = markerCoords.x;
                shadow.y = markerCoords.y + 0.5;
                renderer.render(container);
              }
            }
          }

          //if parameter in URL, zoom on it
          var queryString = window.location.search;
          queryString = queryString.split("=")[1];
          if (Number(queryString) == data.uid) {
            $("#back").attr("src", "src/img/back-" + data.color + ".jpg");
            html = data.message;
            var canvas1 = document.getElementById("blankCanvas1");
            rasterizeHTML
              .drawHTML(html, canvas1, { zoom: 0.7 })
              .then(function success(renderResult) {
                var canvas2 = document.getElementById("blankCanvas2");
                var ctx = canvas2.getContext("2d");
                ctx.fillStyle = "#" + data.color;
                ctx.fillRect(0, 0, 400, 400);
                ctx.drawImage(canvas1, 0, 0, 400, 400);
                ctx.font = "9px Courier";
                $("#front").attr(
                  "src",
                  document.getElementById("blankCanvas2").toDataURL()
                );
                $("#canvas3d").css("opacity", 0);
                $("#canvas3d").css("display", "block");
                animePlane();
                setTimeout(function () {
                  $("#canvas3d").css("opacity", 1);
                }, 0);
                const startDate = new Date(data.startTime);
                const deliveryDate = new Date(data.deliveryTime);
                const diffTime = Math.abs(deliveryDate - startDate);
                const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
                setTimeout(function () {
                  $("#closePlane").css("opacity", 1);
                  $("#closePlane").css("visibility", "visible");
                  $("#downloadPlaneMessage").css("opacity", 1);
                  $("#downloadPlaneMessage").css("visibility", "visible");
                  $("#closePlane").on("click", function () {
                    $("#canvas3d").css("display", "none");
                    $(this).css("display", "none");
                  });
                  $("#downloadPlaneMessage").on("click", function () {
                    const htmlRender =
                      "<div>" +
                      "<div><u>Métadonnées du message :</u></div>" +
                      "<ul>" +
                      "<li>" +
                      data.startName +
                      " - " +
                      data.destName +
                      "</li>" +
                      "<li>" +
                      data.expeMail +
                      " - " +
                      data.destMail +
                      "</li>" +
                      "<li>" +
                      diffDays +
                      " days" +
                      "</li>" +
                      "<li>" +
                      moment(deliveryDate).format("DD/MM/YYYY") +
                      "</li>" +
                      "</ul><br>" +
                      "<div><u>Champs message :</u></div><br>" +
                      html +
                      "</div>";
                    const opt = {
                      margin: 10,
                      filename: "peome.pdf",
                      image: { type: "jpeg", quality: 1 },
                      html2canvas: {
                        scale: 2,
                        removeContainer: false,
                        logging: true,
                      },
                      pagebreak: { avoid: "img" },
                    };
                    html2pdf().set(opt).from(htmlRender).save();
                  });
                }, 5000);
              });
            setTimeout(function () {
              map.setView(
                [
                  data.currentPosition.geometry.coordinates[1],
                  data.currentPosition.geometry.coordinates[0],
                ],
                15
              );
              openPopup(marker);
            }, 100);
          }
        }
        for (var i in planes) {
          displayPlane(formatResults(planes[i]), 0);
        }
      });

      function openPopup(target) {
        //drawing arcs
        arcTravel.clearLayers();
        arcTravelled.clearLayers();
        arcTravelStyle.color = "#" + target.data.color;
        arcTravelledStyle.color = "#" + target.data.color;
        var travel = target.data.line;
        var start = turf.point([
          Number(target.data.startLon),
          Number(target.data.startLat),
        ]);
        var current = target.data.currentPosition;
        var end = turf.point([
          Number(target.data.destLon),
          Number(target.data.destLat),
        ]);
        // for linestrings
        if (travel.geometry.type == "LineString") {
          var sliced1 = turf.lineSlice(start, current, travel);
          var sliced2 = turf.lineSlice(current, end, travel);
          arcTravelled.addData(sliced1);
          arcTravel.addData(sliced2);
        }
        // we create a copy of lines crossing the datetime
        function createCopy(c) {
          for (var i in c.geometry.coordinates) {
            if (c.geometry.coordinates[i][0] > 0) {
              c.geometry.coordinates[i][0] =
                c.geometry.coordinates[i][0] - Number(360);
            } else {
              c.geometry.coordinates[i][0] =
                c.geometry.coordinates[i][0] + Number(360);
            }
          }

          return c;
        }
        //for multilinetrings
        if (travel.geometry.type == "MultiLineString") {
          var l1 = turf.lineString(travel.geometry.coordinates[0]); // creating a line from first segment
          var l2 = turf.lineString(travel.geometry.coordinates[1]); // creating a line from second segment
          if (target.data.position == 1) {
            var sliced1 = turf.lineSlice(start, current, l1);
            var sliced2 = turf.lineSlice(
              current,
              turf.point(
                l1.geometry.coordinates[l1.geometry.coordinates.length - 1]
              ),
              l1
            );
            arcTravelled.addData(sliced1);
            arcTravel.addData(sliced2);
            arcTravel.addData(l2);
          } else if (target.data.position == 2) {
            var sliced1 = turf.lineSlice(
              turf.point(l2.geometry.coordinates[0]),
              current,
              l2
            );
            var sliced2 = turf.lineSlice(current, end, l2);
            arcTravelled.addData(l1);
            arcTravelled.addData(sliced1);
            arcTravel.addData(sliced2);
          }
          var travelledGeoJSON = arcTravelled.toGeoJSON();
          for (var i in travelledGeoJSON.features) {
            arcTravelled.addData(createCopy(travelledGeoJSON.features[i]));
          }
          var travelGeoJSON = arcTravel.toGeoJSON();
          for (var i in travelGeoJSON.features) {
            arcTravel.addData(createCopy(travelGeoJSON.features[i]));
          }
        }

        //add pulsating marker on destination;
        pulsatingMarker.clearLayers();
        var pulseIcon = L.divIcon({
          className: "pulse-icon", //empty class to overwrite leaflet defaults
          html:
            '<div class="pulse-icon-anim" style="border-color:#' +
            target.data.color +
            '"></div>',
          iconSize: [22, 22],
        });
        var endCoordo = [
          Number(target.data.destLat),
          Number(target.data.destLon),
        ];
        pulsatingMarker.addLayer(new L.marker(endCoordo, { icon: pulseIcon }));
        if (travel.geometry.type == "MultiLineString") {
          //if arc cross dateline, we multiply the marker
          pulsatingMarker.addLayer(
            new L.marker([endCoordo[0], endCoordo[1] - Number(360)], {
              icon: pulseIcon,
            })
          );
          pulsatingMarker.addLayer(
            new L.marker([endCoordo[0], endCoordo[1] + Number(360)], {
              icon: pulseIcon,
            })
          );
        }

        //adding static marker on origin
        originMarker.clearLayers();
        var startCoordo = [
          Number(target.data.startLat),
          Number(target.data.startLon),
        ];
        originMarker.addLayer(
          new L.circleMarker(startCoordo, {
            radius: 6,
            opacity: 0.7,
            weight: 2,
            color: "#" + target.data.color,
          })
        );
        if (travel.geometry.type == "MultiLineString") {
          //if arc cross dateline, we multiply the marker
          originMarker.addLayer(
            new L.circleMarker([startCoordo[0], startCoordo[1] - Number(360)], {
              radius: 6,
              opacity: 0.7,
              weight: 2,
              color: "#" + target.data.color,
            })
          );
          originMarker.addLayer(
            new L.circleMarker([startCoordo[0], startCoordo[1] + Number(360)], {
              radius: 6,
              opacity: 0.7,
              color: "#" + target.data.color,
            })
          );
        }

        //popup
        var momentLocale = lang;
        if (momentLocale == "zh") {
          momentLocale = "zh-cn";
        } //troubleshot for chinese
        moment.locale(momentLocale);

        target.popup.setLatLng([
          target.data.currentPosition.geometry.coordinates[1],
          target.data.currentPosition.geometry.coordinates[0],
        ]);
        //arabic popup
        if (lang == "ar") {
          target.popup.setContent(
            '<table><tbody><tr><th style="text-align:center">' +
              target.data.startName +
              '</th><th>&nbsp;<i class="fas fa-plane"></i>&nbsp;</th><th style="text-align:center">' +
              target.data.destName +
              '</th></tr><tr><th style="text-align:center"><small>' +
              moment(target.data.startTime).fromNow() +
              '</small></th><th></th><th style="text-align:center"><small>' +
              moment(target.data.deliveryTime).fromNow() +
              "</small></th></tr></tbody></table>"
          );
        }
        //other languages
        else {
          target.popup.setContent(
            '<table><tbody><tr><th style="text-align:center">' +
              target.data.startName +
              '</th><th>&nbsp;<i class="fas fa-plane"></i>&nbsp;</th><th style="text-align:center">' +
              target.data.destName +
              '</th></tr><tr><th style="text-align:center"><small>' +
              moment(target.data.startTime).fromNow() +
              '</small></th><th></th><th style="text-align:center"><small>' +
              moment(target.data.deliveryTime).fromNow() +
              "</small></th></tr></tbody></table>"
          );
        }
        target.popup.openOn(map);
        target.popup.on("remove", function () {
          arcTravel.clearLayers();
          arcTravelled.clearLayers();
          pulsatingMarker.clearLayers();
          originMarker.clearLayers();
        });
        target.popup.on("popupclose", function () {
          arcTravel.clearLayers();
          arcTravelled.clearLayers();
          pulsatingMarker.clearLayers();
          originMarker.clearLayers();
        });
      }
      //utils for popup
      utils.getMap().on("click", function (e) {
        var interaction = utils.getRenderer().plugins.interaction;
        var pointerEvent = e.originalEvent;
        var pixiPoint = new PIXI.Point();
        interaction.mapPositionToPoint(
          pixiPoint,
          pointerEvent.clientX,
          pointerEvent.clientY
        );
        var target = interaction.hitTest(pixiPoint, container);
        if (target && target.popup) {
          openPopup(target);
        }
      });
      utils.getMap().on("touchend", function (e) {
        var interaction = utils.getRenderer().plugins.interaction;
        var pointerEvent = e.originalEvent;
        var pixiPoint = new PIXI.Point();
        interaction.mapPositionToPoint(
          pixiPoint,
          pointerEvent.clientX,
          pointerEvent.clientY
        );
        var target = interaction.hitTest(pixiPoint, container);
        if (target && target.popup) {
          openPopup(target);
        }
      });
    }

    firstDraw = false;
    prevZoom = zoom;
    renderer.render(container);
  }, pixiContainer);
  pixiOverlay.addTo(map);
});

//hack to make white lines between lines disapear on non-retina screens (from: https://github.com/Leaflet/Leaflet/issues/3575 )
(function () {
  var originalInitTile = L.GridLayer.prototype._initTile;
  L.GridLayer.include({
    _initTile: function (tile) {
      originalInitTile.call(this, tile);

      var tileSize = this.getTileSize();

      tile.style.width = tileSize.x + 1 + "px";
      tile.style.height = tileSize.y + 1 + "px";
    },
  });
})();