// components/mainComponent/MapComponent.js
import React, { useEffect, useRef, useState, useCallback } from "react";
import L from "leaflet";
import "leaflet/dist/leaflet.css";
import "leaflet-contextmenu/dist/leaflet.contextmenu.css";
import "leaflet-contextmenu";
import "leaflet.smooth_marker_bouncing";
import "react-toastify/dist/ReactToastify.css";
import { InformationCircleIcon } from "@heroicons/react/20/solid";
import PoiUpdateModal from "@/components/pois/PoiUpdateModal.js";
import { ToastContainer, toast } from "react-toastify";
import plusRoundIcon from "../icons/devices/overlapping/PlusRoundIcon.js";
import { restoreMapSettings, checkOverlappingMarkers } from "../../utils/mapUtils.js";
import { APP_VERSION } from "@/config/appVersion.js";
import addItemsToMapContextMenu from "@/components/contextmenu/useMapContextMenu.js";
import useAreaMarkersLayer from "@/hooks/useAreaMarkersLayer.js";
import { setupPolylines } from "@/utils/polylines/setupPolylines.js";
import { setupPOIs } from "@/utils/setupPOIs.js";
import useLineData from "@/hooks/useLineData.js";
import { useMapComponentState } from "@/hooks/useMapComponentState.js";
import CoordinatePopup from "@/components/contextmenu/CoordinatePopup.js";
//----------Ui Widgets----------------
import MapLayersControlPanel from "@/components/uiWidgets/mapLayersControlPanel/MapLayersControlPanel.js";
import CoordinateInput from "@/components/uiWidgets/CoordinateInput.js";
import VersionInfoModal from "@/components/uiWidgets/VersionInfoModal.js";
//----------Daten aus API--------------------
import { fetchPoiDataService } from "@/services/database/pois/fetchPoiDataByIdService.js";
import AddPOIModal from "@/components/pois/AddPOIModal.js";
import { enablePolylineEvents, disablePolylineEvents } from "@/utils/polylines/eventHandlers";
//----------MapComponent.js hooks--------------------
import useInitializeMap from "@/components/mainComponent/hooks/useInitializeMap";
//-------------------Redux--------------------
import { useSelector, useDispatch } from "react-redux";
//-------------------Redux-Slices--------------------
import { setSelectedPoi } from "@/redux/slices/database/pois/selectedPoiSlice.js";
import { setDisabled } from "@/redux/slices/database/polylines/polylineEventsDisabledSlice.js";
import { setMapId, setUserId } from "@/redux/slices/urlParameterSlice";
import { selectMapLayersState } from "@/redux/slices/mapLayersSlice";
import { setCurrentPoi } from "@/redux/slices/database/pois/currentPoiSlice.js";
import { selectGisLines } from "@/redux/slices/database/polylines/gisLinesSlice";
import { selectGisLinesStatus } from "@/redux/slices/webservice/gisLinesStatusSlice";
import { selectPoiTypData, selectPoiTypStatus } from "@/redux/slices/database/pois/poiTypSlice";
import { selectPriorityConfig } from "@/redux/slices/database/priorityConfigSlice.js";
import {
  selectPoiIconsData,
  selectPoiIconsStatus,
} from "@/redux/slices/database/pois/poiIconsDataSlice";
import { selectGisLinesStatusFromWebservice } from "@/redux/slices/webservice/gisLinesStatusSlice";
import { selectGisUserRightsFromWebservice } from "@/redux/slices/webservice/userRightsSlice";
import {
  updateCountdown,
  closePolylineContextMenu,
} from "@/redux/slices/database/polylines/polylineContextMenuSlice.js";
import {
  selectPolylineVisible,
  setPolylineVisible,
} from "@/redux/slices/database/polylines/polylineLayerVisibleSlice.js";
import { selectGisStationsStaticDistrict } from "@/redux/slices/webservice/gisStationsStaticDistrictSlice.js";
import {
  selectGisSystemStatic,
  setGisSystemStatic,
} from "@/redux/slices/webservice/gisSystemStaticSlice.js";
//-----------Redux-Thunks-------------------
import { fetchGisStationsMeasurementsThunk } from "@/redux/thunks/webservice/fetchGisStationsMeasurementsThunk";
import { fetchGisSystemStaticThunk } from "@/redux/thunks/webservice/fetchGisSystemStaticThunk";
import { fetchGisStationsStaticDistrictThunk } from "@/redux/thunks/webservice/fetchGisStationsStaticDistrictThunk";
import { fetchGisStationsStatusDistrictThunk } from "@/redux/thunks/webservice/fetchGisStationsStatusDistrictThunk";
import { fetchLocationDevicesThunk } from "@/redux/thunks/database/fetchLocationDevicesThunk";
import { fetchPriorityConfigThunk } from "@/redux/thunks/database/fetchPriorityConfigThunk.js";
import { fetchGisLinesThunk } from "@/redux/thunks/database/polylines/fetchGisLinesThunk.js";
import { fetchGisLinesStatusThunk } from "@/redux/thunks/webservice/fetchGisLinesStatusThunk";
import { fetchUserRightsThunk } from "@/redux/thunks/webservice/fetchUserRightsThunk";
import { fetchPoiIconsDataThunk } from "@/redux/thunks/database/pois/fetchPoiIconsDataThunk.js";
import { fetchPoiTypThunk } from "@/redux/thunks/database/pois/fetchPoiTypThunk.js";
import { updateAreaThunk } from "@/redux/thunks/database/area/updateAreaThunk";

import useDynamicDeviceLayers from "@/hooks/useDynamicDeviceLayers.js";

import useDataUpdater from "@/hooks/useDataUpdater";
import { cleanupPolylinesForMemory } from "@/utils/polylines/cleanupPolylinesForMemory";
import { cleanupMarkers } from "@/utils/common/cleanupMarkers";
import { monitorHeapAndReload } from "@/utils/common/monitorMemory";
import { monitorHeapWithRedux } from "@/utils/common/monitorMemory";
import { io } from "socket.io-client";
//-----------------------------------------------------------------------------------------------------
const MapComponent = ({ locations, onLocationUpdate, lineCoordinates }) => {
  //-------------------------------
  const dispatch = useDispatch();
  // useDataUpdater();

  const countdown = useSelector(state => state.polylineContextMenu.countdown);
  const countdownActive = useSelector(state => state.polylineContextMenu.countdownActive);
  const isPolylineContextMenuOpen = useSelector(state => state.polylineContextMenu.isOpen);
  const polylineVisible = useSelector(selectPolylineVisible);

  const isPoiTypLoaded = useSelector(state => state.poiTypes.status === "succeeded");
  const statusMeasurements = useSelector(state => state.gisStationsMeasurements.status);
  const statusSystem = useSelector(state => state.gisSystemStatic.status);
  const statusStaticDistrict = useSelector(state => state.gisStationsStaticDistrict.status);
  const statusStatusDistrict = useSelector(state => state.gisStationsStatusDistrict.status);
  const priorityConfig = useSelector(selectPriorityConfig);
  const poiLayerVisible = useSelector(state => state.poiLayerVisible.visible);
  const zoomTrigger = useSelector(state => state.zoomTrigger.trigger);
  const poiReadTrigger = useSelector(state => state.poiReadFromDbTrigger.trigger);
  const GisStationsStaticDistrict = useSelector(selectGisStationsStaticDistrict);
  const GisSystemStatic = useSelector(selectGisSystemStatic);
  const gisSystemStaticStatus = useSelector(state => state.gisSystemStatic.status);
  const polylineEventsDisabled = useSelector(state => state.polylineEventsDisabled.disabled);
  const mapLayersVisibility = useSelector(selectMapLayersState) || {};
  const selectedArea = useSelector(state => state.selectedArea.area);
  const linesData = useSelector(state => state.gisLinesFromDatabase.data);
  const gisLinesStatus = useSelector(state => state.gisLinesStatusFromWebservice.status);
  const { data: gisLinesStatusData, status: statusGisLinesStatus } = useSelector(
    selectGisLinesStatusFromWebservice
  );
  const poiIconsData = useSelector(selectPoiIconsData);
  const poiIconsStatus = useSelector(selectPoiIconsStatus);
  const poiTypData = useSelector(selectPoiTypData);
  const poiTypStatus = useSelector(state => state.poiTypes.status);
  //const poiTypStatus = useSelector(selectPoiTypStatus);

  //-------------------------------
  const { deviceName, setDeviceName } = useMapComponentState();
  const [locationDeviceData, setLocationDeviceData] = useState([]);
  const [menuItemAdded, setMenuItemAdded] = useState(false);
  const [isPopupOpen, setIsPopupOpen] = useState(false);
  const closePopup = () => setIsPopupOpen(false);
  const [currentCoordinates, setCurrentCoordinates] = useState("");
  const [showPoiUpdateModal, setShowPoiUpdateModal] = useState(false);
  const [currentPoiData, setCurrentPoiData] = useState(null);
  const [showVersionInfoModal, setShowVersionInfoModal] = useState(false);
  const [poiTypMap, setPoiTypMap] = useState(new Map());
  const [showPopup, setShowPopup] = useState(false);
  const poiLayerRef = useRef(null); // Referenz auf die Layer-Gruppe für Datenbank-Marker
  const mapRef = useRef(null); // Referenz auf das DIV-Element der Karte
  const [map, setMap] = useState(null); // Zustand der Karteninstanz
  const [oms, setOms] = useState(null); // State für OMS-Instanz

  //-----userRights----------------
  const isRightsLoaded = useSelector(
    state => state.gisUserRightsFromWebservice.status === "succeeded"
  );
  const userRights = useSelector(selectGisUserRightsFromWebservice);
  const hasRights = userRights.includes(56);
  //-----------------------------
  const openPopupWithCoordinates = e => {
    const coordinates = `${e.latlng.lat.toFixed(5)}, ${e.latlng.lng.toFixed(5)}`;
    setCurrentCoordinates(coordinates);
    setIsPopupOpen(true);
    setPopupCoordinates(e.latlng);
    setPopupVisible(true);
  };

  // Konstanten für die URLs

  //-----------------------------------------
  const [linePositions, setLinePositions] = useState([]);
  const { lineColors, tooltipContents } = useLineData();
  const [polylines, setPolylines] = useState([]);
  const [markers, setMarkers] = useState([]);
  const [newPoint, setNewPoint] = useState(null);
  const [newCoords, setNewCoords] = useState(null);
  const [tempMarker, setTempMarker] = useState(null);
  const [showPoiModal, setShowPoiModal] = useState(false);
  const [showCoordinatesModal, setShowCoordinatesModal] = useState(false);
  const [popupCoordinates, setPopupCoordinates] = useState(null);
  const [popupVisible, setPopupVisible] = useState(false);
  const [poiData, setPoiData] = useState([]);

  const openVersionInfoModal = () => {
    setShowVersionInfoModal(true);
  };
  const closeVersionInfoModal = () => {
    setShowVersionInfoModal(false);
  };
  const [currentZoom, setCurrentZoom] = useState(() => {
    const storedZoom = localStorage.getItem("mapZoom");
    return storedZoom ? parseInt(storedZoom, 10) : 12;
  });
  const [currentCenter, setCurrentCenter] = useState(() => {
    const storedCenter = localStorage.getItem("mapCenter");
    try {
      return storedCenter ? JSON.parse(storedCenter) : [53.111111, 8.4625];
    } catch (e) {
      console.error("Error parsing stored map center:", e);
      return [53.111111, 8.4625];
    }
  });

  //--------------------------------------------

  const handleCoordinatesSubmit = coords => {
    const [lat, lng] = coords.split(",").map(Number);
    if (map && lat && lng) {
      map.flyTo([lat, lng], 12); // Zentriere die Karte auf die Koordinaten
    }
  };
  //-----------------------------Map Initialisierung----------------
  useInitializeMap(
    map,
    mapRef,
    setMap,
    setOms,
    setMenuItemAdded,
    addItemsToMapContextMenu,
    hasRights,
    value => dispatch(setDisabled(value))
  );

  //-------------------------React Hooks--------------------------------
  useEffect(() => {
    if (linesData && Array.isArray(linesData)) {
      const transformed = linesData.map(item => ({
        coordinates: item.points.map(point => [point.x, point.y]),
        idModul: item.idModul,
        idLD: item.idLD,
      }));
      setLinePositions(transformed);
    }
  }, [linesData]);
  //--------------------------------------------
  useEffect(() => {
    dispatch(fetchPoiIconsDataThunk());
    dispatch(fetchPoiTypThunk());
  }, [dispatch]);

  //--------------------------------------------
  // POIs auf die Karte zeichnen
  useEffect(() => {
    if (map && !poiLayerRef.current) {
      poiLayerRef.current = new L.LayerGroup().addTo(map);
    }

    return () => {
      if (map && poiLayerRef.current) {
        map.removeLayer(poiLayerRef.current);
        poiLayerRef.current = new L.LayerGroup().addTo(map);
      }
      locations.forEach(location => {});
    };
  }, [map, locations, poiReadTrigger]);

  //--------------------------------------------
  // POIs auf die Karte zeichnen
  useEffect(() => {
    if (poiData.length === 0) return;

    setupPOIs(
      map,
      locations,
      poiData,
      poiTypMap,
      userRights,
      poiLayerRef,
      setSelectedPoi,
      setLocationDeviceData,
      setDeviceName,
      setCurrentPoi,
      poiLayerVisible,
      fetchPoiDataService,
      toast,
      setShowPoiUpdateModal,
      setCurrentPoiData,
      deviceName,
      dispatch
    );
  }, [
    map,
    locations,
    onLocationUpdate,
    poiReadTrigger,
    isPoiTypLoaded,
    userRights,
    poiLayerVisible,
    poiData,
    poiTypMap,
    dispatch,
  ]);

  //---------------------------------------------

  useEffect(() => {
    if (map) {
    }
  }, [map, GisSystemStatic, priorityConfig]);
  //--------------------------------------------
  useEffect(() => {
    if (map) {
      var x = 51.41321407879154;
      var y = 7.739617925303934;
      var zoom = 7;

      if (map && map.flyTo) {
        map.flyTo([x, y], zoom);
      } else {
        console.error("Map object is not ready or does not have flyTo method");
      }
    }
  }, [map, zoomTrigger]);
  //--------------------------------------------

  //-----------------------------------------------------------------
  //Tooltip an mouse position anzeigen für die Linien
  useEffect(() => {
    if (!map) return;

    // vorherige Marker & Polylinien vollständig bereinigen

    markers.forEach(marker => {
      marker.remove();
    });
    cleanupPolylinesForMemory(polylines, map);

    // Setze neue Marker und Polylinien mit den aktuellen Daten
    const { markers: newMarkers, polylines: newPolylines } = setupPolylines(
      map,
      linePositions,
      lineColors,
      tooltipContents,
      setNewCoords,
      tempMarker,
      currentZoom,
      currentCenter,
      polylineVisible // kommt aus Redux
    );

    newPolylines.forEach((polyline, index) => {
      const tooltipContent =
        tooltipContents[`${linePositions[index].idLD}-${linePositions[index].idModul}`] ||
        "Die Linie ist noch nicht in Webservice vorhanden oder bekommt keine Daten";

      polyline.bindTooltip(tooltipContent, {
        permanent: false,
        direction: "auto",
        sticky: true,
        offset: [20, 0],
        pane: "tooltipPane",
      });

      polyline.on("mouseover", e => {
        const tooltip = polyline.getTooltip();
        if (tooltip) {
          const mousePos = e.containerPoint;
          const mapSize = map.getSize();

          let direction = "right";

          if (mousePos.x > mapSize.x - 100) {
            direction = "left";
          } else if (mousePos.x < 100) {
            direction = "right";
          }

          if (mousePos.y > mapSize.y - 100) {
            direction = "top";
          } else if (mousePos.y < 100) {
            direction = "bottom";
          }

          tooltip.options.direction = direction;
          polyline.openTooltip(e.latlng);
        }
      });

      polyline.on("mouseout", () => {
        polyline.closeTooltip();
      });
    });
    cleanupMarkers(markers, oms);
    setMarkers(newMarkers);
    setPolylines(newPolylines);
  }, [
    map,
    linePositions,
    lineColors,
    tooltipContents,
    newPoint,
    newCoords,
    tempMarker,
    polylineVisible,
  ]);

  //--------------------------------------------

  //Test in useEffect
  useEffect(() => {
    if (map) {
      if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
        console.log("🗺️ Map-Einstellungen werden wiederhergestellt...");
      }
      restoreMapSettings(map);
    }
  }, [map]);
  //--------------------------------------------
  useEffect(() => {
    if (map) {
      if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
        console.log("map in MapComponent: ", map);
      }
      const handleMapMoveEnd = event => {
        const newCenter = map.getCenter();
        const newZoom = map.getZoom();

        setCurrentCenter([newCenter.lat, newCenter.lng]);
        setCurrentZoom(newZoom);

        localStorage.setItem("mapCenter", JSON.stringify([newCenter.lat, newCenter.lng]));
        localStorage.setItem("mapZoom", newZoom);
      };

      map.on("moveend", handleMapMoveEnd);
      map.on("zoomend", handleMapMoveEnd);

      return () => {
        map.off("moveend", handleMapMoveEnd);
        map.off("zoomend", handleMapMoveEnd);
      };
    }
  }, [map]);
  //--------------------------------------------
  // Area in DataSheet ->dropdownmenu
  useEffect(() => {
    // Sicherstellen, dass `Points` existiert und ein Array ist
    const points = GisStationsStaticDistrict?.Points;

    if (selectedArea && map) {
      const station = points.find(s => s.Area_Name === selectedArea);

      if (station) {
        if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
          console.log("📌 Gefundene Station:", station);
        }
        map.flyTo([station.X, station.Y], 14);
      } else {
        console.warn("⚠️ Keine passende Station für die Area gefunden:", selectedArea);
      }
    }
  }, [selectedArea, map, GisStationsStaticDistrict]);

  //-------------------------------------
  useEffect(() => {
    if (zoomTrigger && map) {
      map.flyTo([51.41321407879154, 7.739617925303934], 7);
    }
  }, [zoomTrigger, map]);
  //--------------------------------------------
  useEffect(() => {
    if (map && poiLayerRef.current && isPoiTypLoaded && !menuItemAdded && isRightsLoaded) {
      addItemsToMapContextMenu(
        map,
        menuItemAdded,
        setMenuItemAdded,
        hasRights,
        setShowPopup,
        setPopupCoordinates
      );
    }
  }, [map, poiLayerRef, isPoiTypLoaded, menuItemAdded, hasRights, isRightsLoaded]);
  //--------------------------------------------
  // rote Marker ganz oben wenn überlappen sind

  //--------------------------------------------

  useEffect(() => {
    if (map) {
      if (polylineEventsDisabled) {
        disablePolylineEvents(window.polylines);
      } else {
        enablePolylineEvents(window.polylines, window.lineColors);
      }
    }
  }, [map, polylineEventsDisabled]);
  //--------------------------------------------
  useEffect(() => {
    if (map) {
      if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
        console.log("6- Karteninstanz (map) wurde jetzt erfolgreich initialisiert");
      }
    }
  }, [map]);
  //--------------------------------------------
  let timeoutId;
  useEffect(() => {
    const initializeContextMenu = () => {
      if (map) {
        map.whenReady(() => {
          timeoutId = setTimeout(() => {
            if (map.contextmenu) {
              if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
                console.log("Contextmenu ist vorhanden");
              }
            } else {
              console.warn("Contextmenu ist nicht verfügbar.");
            }
          }, 500);
        });
      }
    };

    initializeContextMenu();

    return () => {
      clearTimeout(timeoutId); // Aufräumen
    };
  }, [map]);

  //---------------------------------------
  // Initialisiere Leaflet-Karte
  // Rufe useAreaMarkersLayer direkt auf
  const urlParams = new URLSearchParams(window.location.search); // URL-Parameter parsen
  const mValue = urlParams.get("m"); // Wert von "m" holen
  const hostname = window.location.hostname; // Dynamischer Hostname
  const port = 3000; // Definiere den gewünschten Port
  const areaUrl = `http://${hostname}:${port}/api/talas_v5_DB/area/readArea?m=${mValue}`; // Dynamischer Hostname und Port

  // Areas-Marker basierend auf dynamischer URL laden
  const handleLocationUpdate = async (idLocation, idMap, newCoords) => {
    try {
      await dispatch(updateAreaThunk({ idLocation, idMap, newCoords })).unwrap();
      if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
        console.log("Koordinaten erfolgreich aktualisiert:", result);
      }
    } catch (error) {
      console.error("Fehler beim Aktualisieren der Location:", error);
    }
  };

  // Areas-Marker basierend auf dynamischer URL laden
  const areaMarkers = useAreaMarkersLayer(map, oms, areaUrl, handleLocationUpdate);
  /*
    Areamarker werden jetzt nur angezeigt, wenn der editMode aktiviert ist.
    Marker werden bei deaktiviertem editMode aus der Karte entfernt.
    Dynamische Überwachung von Änderungen im editMode über localStorage und Event Listener implementiert.
    Dragging für Marker im editMode aktiviert und Z-Index angepasst.
  */
  useEffect(() => {
    const editMode = localStorage.getItem("editMode") === "true";

    // Prüfe, ob der editMode deaktiviert ist
    if (!editMode) {
      // Entferne alle Marker aus der Karte
      if (!map) return; // Sicherstellen, dass map existiert

      areaMarkers.forEach(marker => {
        if (map.hasLayer(marker)) {
          map.removeLayer(marker);
        }
      });
    } else {
      // Wenn editMode aktiviert ist, füge die Marker hinzu und aktiviere Dragging
      areaMarkers.forEach(marker => {
        if (!map.hasLayer(marker)) {
          marker.addTo(map); // Layer hinzufügen
        }
        marker.dragging.enable();
        marker.setZIndexOffset(1000); // Marker nach oben setzen
      });
    }
  }, [areaMarkers, map]);

  //----------------------------------
  const { markerStates, layerRefs } = useDynamicDeviceLayers(
    map,
    GisSystemStatic,
    mapLayersVisibility,
    priorityConfig,
    oms
  );
  useEffect(() => {
    const handleVisibilityChange = () => {
      if (!map) return;

      const allMarkers = Object.values(markerStates).filter(Array.isArray).flat();

      checkOverlappingMarkers(map, allMarkers, plusRoundIcon, oms);
    };

    window.addEventListener("visibilityChanged", handleVisibilityChange);
    return () => {
      window.removeEventListener("visibilityChanged", handleVisibilityChange);
    };
  }, [map, markerStates]);

  //---------------------------------------
  useEffect(() => {
    if (map) {
      // initGeocoderFeature(map); // Geocoder-Feature initialisieren, kann von .env.local ausgeschaltet werden
    }
  }, [map]);

  //--------------------------------------------

  useEffect(() => {
    if (map && !menuItemAdded) {
      addItemsToMapContextMenu(
        map,
        menuItemAdded,
        setMenuItemAdded,
        setShowCoordinatesModal,
        setShowPoiModal,
        setPopupCoordinates,
        openPopupWithCoordinates // Diese Funktion wird jetzt übergeben!
      );
    }
  }, [map, menuItemAdded]);
  //--------------------------------------------
  useEffect(() => {
    dispatch(fetchUserRightsThunk());
  }, [dispatch]);

  //--------------------------------------------
  //  Beim ersten Client-Render den Wert aus localStorage laden
  useEffect(() => {
    const storedPolylineVisible = localStorage.getItem("polylineVisible") === "true";
    dispatch(setPolylineVisible(storedPolylineVisible));
  }, [dispatch]);
  //--------------------------------------------
  useEffect(() => {
    if (statusStaticDistrict === "idle") {
      dispatch(fetchGisStationsStaticDistrictThunk());
    }
  }, [statusStaticDistrict, dispatch]);

  useEffect(() => {
    if (statusStatusDistrict === "idle") {
      dispatch(fetchGisStationsStatusDistrictThunk());
    }
  }, [statusStatusDistrict, dispatch]);

  useEffect(() => {
    if (statusMeasurements === "idle") {
      dispatch(fetchGisStationsMeasurementsThunk());
    }
  }, [statusMeasurements, dispatch]);

  useEffect(() => {
    if (statusSystem === "idle") {
      dispatch(fetchGisSystemStaticThunk());
    }
  }, [statusSystem, dispatch]);
  useEffect(() => {
    dispatch(fetchGisSystemStaticThunk());
  }, [dispatch]);

  useEffect(() => {
    dispatch(fetchLocationDevicesThunk());
  }, [dispatch]);

  //---------------------------------------------------------------
  useEffect(() => {
    const params = new URL(window.location.href).searchParams;
    dispatch(setMapId(params.get("m")));
    dispatch(setUserId(params.get("u")));
  }, [dispatch]);
  //---------------------------------------------------------------
  useEffect(() => {
    dispatch(fetchPriorityConfigThunk());
  }, [dispatch]);
  //--------------------------------------------------------
  useEffect(() => {
    if (gisLinesStatus === "idle") {
      dispatch(fetchGisLinesThunk());
    }
  }, [gisLinesStatus, dispatch]);
  //--------------------------------------------------------
  useEffect(() => {
    dispatch(fetchGisLinesStatusThunk());
  }, [dispatch]);
  //---------------------------------------------------------
  const rights = useSelector(state => state.gisUserRightsFromWebservice.rights);
  useEffect(() => {
    dispatch(fetchUserRightsThunk());
  }, [dispatch]);
  //----------------------------------------------------
  useEffect(() => {
    if (poiTypStatus === "idle") {
      dispatch(fetchPoiTypThunk());
    }
  }, [poiTypStatus, dispatch]);

  //--------------------------------------
  useEffect(() => {
    if (isPolylineContextMenuOpen && countdownActive) {
      const interval = setInterval(() => {
        dispatch(updateCountdown());

        // console.log(`⏳ Redux Countdown: ${countdown} Sekunden`);

        if (countdown <= 2) {
          if (process.env.NEXT_PUBLIC_DEBUG_LOG === "true") {
            console.log("🚀 Kontextmenü wird wegen Countdown < 2 geschlossen.");
          }
          dispatch(closePolylineContextMenu());

          if (window.map?.contextmenu) {
            window.map.contextmenu.hide();
          }

          clearInterval(interval);
        }
      }, 1000);

      return () => {
        clearInterval(interval);
      };
    }
  }, [isPolylineContextMenuOpen, countdown, countdownActive, dispatch, window.map]);
  //----------------------------------

  // **Fehlerbehandlung für `contextmenu`**
  // damit den Fehler mit contextmenu nicht angezeigt wird und überspringt wird und die Seite neu geladen wird
  useEffect(() => {
    let timeoutId;

    window.onerror = function (message, source, lineno, colno, error) {
      if (message.includes("Cannot read properties of null (reading 'contextmenu')")) {
        console.warn("⚠️ Fehler mit `contextmenu` erkannt – Neuladen der Seite.");
        timeoutId = setTimeout(() => {
          window.location.reload();
        }, 0);
        return true; // Fehler unterdrücken
      }
    };

    return () => {
      clearTimeout(timeoutId);
      window.onerror = null; // Aufräumen beim Unmount
    };
  }, []);

  //------------------------------------------------
  useEffect(() => {
    if (poiTypStatus === "succeeded" && Array.isArray(poiTypData)) {
      const map = new Map();
      poiTypData.forEach(item => map.set(item.idPoiTyp, item.name));
      setPoiTypMap(map);
    }
  }, [poiTypData, poiTypStatus]);
  //------------------------------------------------
  useEffect(() => {
    if (poiIconsStatus === "succeeded") {
      setPoiData(poiIconsData);
    }
  }, [poiIconsData, poiIconsStatus]);
  //-----------------------------------------------------------------
  useEffect(() => {
    if (!map) return;

    const editMode = localStorage.getItem("editMode") === "true";

    Object.entries(markerStates).forEach(([systemName, markers]) => {
      const isVisible = mapLayersVisibility[systemName];
      markers.forEach(marker => {
        const hasLayer = map.hasLayer(marker);
        if (editMode || !isVisible) {
          if (hasLayer) map.removeLayer(marker);
        } else {
          if (!hasLayer) marker.addTo(map);
        }
      });
    });

    // optional für alle zusammen
    const allMarkers = Object.values(markerStates)
      .filter(entry => Array.isArray(entry))
      .flat();

    checkOverlappingMarkers(map, allMarkers, plusRoundIcon);
  }, [map, markerStates, mapLayersVisibility]);

  //----------------------------------------------
  useEffect(() => {
    if (process.env.NODE_ENV === "development") {
      console.log("🚧 Development Mode aktiviert – Mock-Daten werden verwendet!");
    } else {
      console.log("Production Mode aktiviert");
    }
  }, []);
  //-------------------------------------------
  useEffect(() => {
    return () => {
      cleanupMarkers(markers, oms);
    };
  }, []);
  //--------------------------------------------
  // Überwacht den Speicherverbrauch und lädt die Seite neu, wenn er zu hoch ist, 8GB ist das Limit dann lädt die Seite neu
  useEffect(() => {
    const interval = monitorHeapAndReload(8, 10000);

    return () => clearInterval(interval); // wichtig: aufräumen!
  }, []);
  //--------------------------------------------
  useEffect(() => {
    const interval = monitorHeapWithRedux(10000); // alle 10s

    return () => clearInterval(interval);
  }, []);
  //--------------------------------------------

  useEffect(() => {
    const params = new URLSearchParams(window.location.search);
    const m = params.get("m");
    const u = params.get("u");
    const mode = process.env.NEXT_PUBLIC_USE_MOCKS === "true" ? "mock" : "prod";

    const socket = io({
      query: { m, u, mode },
    });

    socket.on("connect", () => {
      console.log("🔗 WebSocket verbunden (Modus:", mode, ")");
    });

    socket.on("gisLinesStatusUpdated", data => {
      dispatch(fetchGisLinesStatusThunk(data));
    });

    return () => {
      socket.disconnect();
    };
  }, [dispatch]);

  //---------------------------------------------
  //--------------------------------------------
  return (
    <>
      {/* Zeigt das POI-Modal, wenn `showPoiModal` true ist */}
      {showPoiModal && (
        <AddPOIModal latlng={popupCoordinates} onClose={() => setShowPoiModal(false)} />
      )}
      <ToastContainer />
      <div>
        {showPoiUpdateModal && (
          <PoiUpdateModal
            onClose={() => setShowPoiUpdateModal(false)}
            poiData={currentPoiData}
            onSubmit={() => {}}
            latlng={popupCoordinates}
          />
        )}
      </div>

      <div>
        {showPopup && (
          <div
            className="fixed inset-0 bg-black bg-opacity-10 flex justify-center items-center z-[1000]"
            onClick={closePopup}
          >
            <div
              className="relative bg-white p-6 rounded-lg shadow-lg"
              onClick={e => e.stopPropagation()}
            >
              <button
                onClick={closePopup}
                className="absolute top-0 right-0 mt-2 mr-2 p-1 text-gray-700 hover:text-gray-900 focus:outline-none focus:ring-2 focus:ring-gray-600"
                aria-label="Close"
              >
                <svg
                  xmlns="http://www.w3.org/2000/svg"
                  className="h-6 w-6"
                  fill="none"
                  viewBox="0 0 24 24"
                  stroke="currentColor"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2}
                    d="M6 18L18 6M6 6l12 12"
                  />
                </svg>
              </button>
            </div>
          </div>
        )}
      </div>

      {GisStationsStaticDistrict && GisStationsStaticDistrict.Points?.length > 0 && (
        <MapLayersControlPanel className="z-50" />
      )}

      <CoordinateInput onCoordinatesSubmit={handleCoordinatesSubmit} />
      <div id="map" ref={mapRef} className="z-0" style={{ height: "100vh", width: "100vw" }}></div>
      <CoordinatePopup isOpen={isPopupOpen} coordinates={currentCoordinates} onClose={closePopup} />

      <div className="absolute bottom-3 left-3 w-72 p-4 bg-white rounded-lg shadow-md z-50">
        <div className="flex justify-between items-center">
          <div>
            <span className="text-black text-lg font-semibold"> TALAS.Map </span>
            <br />
            <span className="text-black text-lg">Version {APP_VERSION}</span>
          </div>
          <div>
            <button onClick={openVersionInfoModal}>
              <InformationCircleIcon className="text-blue-900 h-8 w-8 pr-1" title="Weitere Infos" />
            </button>
          </div>
        </div>
      </div>
      <VersionInfoModal
        showVersionInfoModal={showVersionInfoModal}
        closeVersionInfoModal={closeVersionInfoModal}
        APP_VERSION={APP_VERSION}
      />
    </>
  );
};

export default MapComponent;