import { useEffect } from "react";
import { addContextMenuToMarker } from "../../utils/addContextMenuToMarker";

const useGmaMarkersLayer = (map, markers, GisStationsMeasurements, GMA, oms, isVisible) => {
  const zoomIn = (map, latlng) => {
    if (!map) {
      console.error("map is not defined in zoomIn");
      return;
    }

    const currentZoom = map.getZoom();

    if (currentZoom < 14) {
      map.flyTo(latlng, 14);
      localStorage.setItem("mapZoom", 14);
      localStorage.setItem("mapCenter", JSON.stringify(map.getCenter()));
    }
  };

  const zoomOut = (map) => {
    if (!map) {
      console.error("map is not defined in zoomOut");
      return;
    }

    const currentZoom = map.getZoom();

    if (currentZoom > 7) {
      const x = 51.41321407879154;
      const y = 7.739617925303934;
      const zoom = 7;

      map.flyTo([x, y], zoom);
      localStorage.setItem("mapZoom", zoom);
      localStorage.setItem("mapCenter", JSON.stringify(map.getCenter()));
    }
  };

  const centerHere = (e, map) => {
    if (!map) {
      console.error("map is not defined in centerHere");
      return;
    }
    map.panTo(e.latlng);
    localStorage.setItem("mapZoom", map.getZoom());
    localStorage.setItem("mapCenter", JSON.stringify(map.getCenter()));
  };

  useEffect(() => {
    if (!map || !isVisible) return;

    // Entferne alte Marker
    GMA.clearLayers();

    markers.forEach((marker) => {
      const relevantMeasurements = GisStationsMeasurements.filter((m) => m.Area_Name === marker.options.areaName);

      let measurements = {};
      let area_name = marker.options.areaName;

      relevantMeasurements.forEach((m) => {
        measurements[m.Na] = m.Val;
      });

      const lt = measurements["LT"] || "-";
      const fbt = measurements["FBT"] || "-";
      const gt = measurements["GT"] || "-";
      const rlf = measurements["RLF"] || "-";

      marker.bindTooltip(
        ` 
          <div class="p-0 rounded-lg bg-white bg-opacity-90 tooltip-content">
            <div class="font-bold text-sm text-black">
              <span>${area_name}</span> 
            </div>
            <div class="font-bold text-xxs text-blue-700">
              <span>LT : ${lt} °C</span> 
            </div>
            <div class="font-bold text-xxs text-red-700">
              <span>FBT : ${fbt} °C</span> 
            </div>
            <div class="font-bold text-xxs text-yellow-500">
              <span>GT : ${gt} °C</span> 
            </div>
            <div class="font-bold text-xxs text-green-700">
              <span>RLF : ${rlf} %</span> 
            </div>
          </div>
        `,
        {
          permanent: true,
          direction: "auto",
          offset: [60, 0],
          interactive: true,
        }
      );

      let currentMouseLatLng = null;

      const mouseMoveHandler = (event) => {
        currentMouseLatLng = event.latlng;
      };

      // Mousemove-Listener hinzufügen, um die aktuellen Koordinaten zu speichern
      map.on("mousemove", mouseMoveHandler);

      marker.on("tooltipopen", (e) => {
        const tooltipElement = e.tooltip._contentNode;

        if (tooltipElement) {
          tooltipElement.addEventListener("contextmenu", (event) => {
            event.preventDefault();
            console.log("Rechtsklick auf Tooltip erkannt");

            // Kombiniere die Kontextmenü-Items
            const combinedContextMenuItems = [
              {
                text: "Station öffnen (Tab)",
                icon: "/img/screen_new.png",
                callback: () => {
                  if (marker.options.link) {
                    const fullUrl = `${marker.options.link}`;
                    window.open(fullUrl, "_blank");
                    console.log("Link in neuem Tab geöffnet:", fullUrl);
                  } else {
                    console.error("Kein Link für Tooltip vorhanden.");
                  }
                },
              },
              { separator: true },
              {
                text: "Koordinaten anzeigen",
                icon: "/img/not_listed_location.png",
                callback: () => {
                  if (currentMouseLatLng) {
                    alert(
                      `Breitengrad: ${currentMouseLatLng.lat.toFixed(5)}\nLängengrad: ${currentMouseLatLng.lng.toFixed(5)}`
                    );
                  } else {
                    console.error("Keine gültigen Koordinaten erkannt.");
                  }
                },
              },
              { separator: true },
              {
                text: "Reinzoomen",
                icon: "img/zoom_in.png",
                callback: () => {
                  const latlng = marker.getLatLng();
                  zoomIn(map, latlng);
                },
              },
              {
                text: "Rauszoomen",
                icon: "img/zoom_out.png",
                callback: () => zoomOut(map),
              },
              {
                text: "Hier zentrieren",
                icon: "img/center_focus.png",
                callback: () => {
                  const latlng = marker.getLatLng();
                  centerHere({ latlng }, map);
                },
              },
            ];

            // Benutzerdefiniertes Kontextmenü anzeigen
            const menu = document.createElement("div");
            menu.className = "custom-context-menu";
            menu.style.position = "absolute";
            menu.style.left = `${event.clientX}px`;
            menu.style.top = `${event.clientY}px`;
            menu.style.backgroundColor = "#fff";
            menu.style.border = "1px solid #ccc";
            menu.style.padding = "4px";
            menu.style.zIndex = "1000";

            combinedContextMenuItems.forEach((item) => {
              if (item.separator) {
                const separator = document.createElement("hr");
                menu.appendChild(separator);
              } else {
                const menuItem = document.createElement("div");
                menuItem.style.display = "flex";
                menuItem.style.alignItems = "center";
                menuItem.style.cursor = "pointer";

                if (item.icon) {
                  const icon = document.createElement("img");
                  icon.src = item.icon;
                  icon.alt = "Icon";
                  icon.style.width = "16px";
                  icon.style.height = "16px";
                  icon.style.marginRight = "8px";
                  menuItem.appendChild(icon);
                }

                const text = document.createElement("span");
                text.textContent = item.text;
                menuItem.appendChild(text);

                menuItem.onclick = item.callback;
                menu.appendChild(menuItem);
              }
            });

            document.body.appendChild(menu);

            const handleClickOutside = () => {
              if (document.body.contains(menu)) {
                document.body.removeChild(menu);
                document.removeEventListener("click", handleClickOutside);
              }
            };

            document.addEventListener("click", handleClickOutside);
          });
        }
      });

      marker.on("tooltipclose", () => {
        map.off("mousemove", mouseMoveHandler);
      });

      addContextMenuToMarker(marker);

      GMA.addLayer(marker);
      oms.addMarker(marker);
    });

    map.addLayer(GMA);

    return () => {
      GMA.clearLayers();
      map.removeLayer(GMA);
    };
  }, [map, markers, GisStationsMeasurements, GMA, oms, isVisible]);
};

export default useGmaMarkersLayer;