// /hooks/useLineData.js
import { useEffect, useState } from "react";
import { SERVER_URL } from "../config/urls";
import { useDispatch, useSelector } from "react-redux";
import { connectWebSocket, disconnectWebSocket } from "../redux/actions";

const useLineData = (webserviceGisLinesStatusUrl, setLineStatusData) => {
  const dispatch = useDispatch();
  const messages = useSelector((state) => state.messages);
  const [lineColors, setLineColors] = useState({});
  const [tooltipContents, setTooltipContents] = useState({});

  useEffect(() => {
    let isCancelled = false; // Flag to cancel ongoing operations if component unmounts

    const fetchData = async () => {
      try {
        console.log("Fetching data...");
        const response1 = await fetch(webserviceGisLinesStatusUrl);
        const data1 = await response1.json();

        const response2 = await fetch(`${SERVER_URL}:3000/api/talas_v5_DB/gisLines/readGisLines`);
        const data2 = await response2.json();

        const response3 = await fetch(`${SERVER_URL}:3000/api/talas_v5_DB/device/getAllStationsNames`);
        const namesData = await response3.json();

        if (!isCancelled) {
          const colorsByModule = {};
          const newTooltipContents = {};
          const valueMap = {};

          logGroupedData(data1.Statis);

          const sortedStatis = [...data1.Statis].sort((a, b) => a.Level - b.Level);

          const filteredStatis = [];
          const seenKeys = new Set();

          sortedStatis.forEach((statis) => {
            const key = `${statis.IdLD}-${statis.Modul}`;

            if (statis.Level > 0) {
              if (!seenKeys.has(key)) {
                seenKeys.add(key);
                filteredStatis.push(statis);
              }
            } else {
              filteredStatis.push(statis);
            }
          });

          filteredStatis.forEach((statis) => {
            const key = `${statis.IdLD}-${statis.Modul}`;
            if (!valueMap[key]) {
              valueMap[key] = {
                messages: [],
                messwert: undefined,
                schleifenwert: undefined,
              };
            }

            if (statis.DpName.endsWith("_Messwert") && statis.Value !== "True" && !valueMap[key].messwert) {
              valueMap[key].messwert = statis.Value;
            }
            if (statis.DpName.endsWith("_Schleifenwert") && !valueMap[key].schleifenwert) {
              valueMap[key].schleifenwert = statis.Value;
            }
            if (statis.Message && statis.Message !== "?") {
              valueMap[key].messages.push(statis.Message);
            }
          });

          filteredStatis.forEach((statis) => {
            const key = `${statis.IdLD}-${statis.Modul}`;
            const matchingLine = data2.find((item) => item.idLD === statis.IdLD && item.idModul === statis.Modul);

            if (matchingLine) {
              const prioColor = statis.PrioColor === "#ffffff" ? "green" : statis.PrioColor;
              const values = valueMap[key];

              if (!values) {
                console.error(`Keine Werte gefunden für Key: ${key}`);
                return;
              }

              const messageDisplay = values.messages.map((msg) => (msg ? `<span class="inline-block text-gray-800">${msg}</span><br>` : "")).join("");
              const prioNameDisplay = statis.PrioName && statis.PrioName !== "?" ? `(${statis.PrioName})` : "";

              colorsByModule[key] = prioColor;

              newTooltipContents[key] = `
              <div class="bg-white rounded-lg m-0 p-2 w-[210px]">
                  <span class="text-lg font-semibold text-gray-900">${statis.ModulName || "Unknown"}</span>
                  <br>
                  <span class="text-md font-bold text-gray-800">${statis.ModulTyp || "N/A"}</span>
                  <br>
                  <span class="text-md font-bold text-gray-800">Slot: ${statis.Modul || "N/A"}</span>
                  <br>
                  <span class="text-md font-bold text-gray-800">Station: ${namesData[matchingLine.idLD] || "N/A"}</span>
                  <br>
                  <div style="max-width: 100%; overflow-wrap: break-word; word-break: break-word; white-space: normal;">
                      <span class="inline-block w-2 h-2 rounded-full mr-2" style="background-color: ${prioColor || "#000000"};"></span>
                      ${messageDisplay}
                  </div>
                  <span class="text-gray-800" style="color: ${prioColor || "#000000"};">${prioNameDisplay}</span>
                  <br>
                  ${values.messwert ? `<span class="inline-block text-gray-800">Messwert: ${values.messwert}</span><br>` : ""}
                  ${values.schleifenwert ? `<span class="inline-block text-gray-800">Schleifenwert: ${values.schleifenwert}</span>` : ""}
              </div>
            `;
            }
          });

          setLineColors(colorsByModule);
          setTooltipContents(newTooltipContents);
          setLineStatusData(data1.Statis);
        }
      } catch (error) {
        if (!isCancelled) {
          console.error("Fehler beim Abrufen der Daten:", error);
        }
      }
    };

    // Funktion für rekursiven Aufruf mit Timeout
    const scheduleNextFetch = () => {
      if (!isCancelled) {
        setTimeout(async () => {
          await fetchData();
          scheduleNextFetch();
        }, 20000);
      }
    };

    // Starte den ersten Aufruf
    fetchData();
    scheduleNextFetch();

    // Cleanup-Funktion, um sicherzustellen, dass keine weiteren Daten nach dem Unmount gesetzt werden
    return () => {
      isCancelled = true;
    };
  }, [webserviceGisLinesStatusUrl, setLineStatusData]);

  return { lineColors, tooltipContents };
};

// Funktion zur Gruppierung der Daten
function logGroupedData(statisList) {
  const grouped = statisList.reduce((acc, item) => {
    const { IdLD, Modul, Level, PrioColor, PrioName, ModulName, ModulTyp, Message, DpName, Value } = item;

    if (!acc[IdLD]) {
      acc[IdLD] = {};
    }

    if (!acc[IdLD][Modul]) {
      acc[IdLD][Modul] = {
        ModulName: ModulName || "Unknown",
        ModulTyp: ModulTyp || "N/A",
        TotalLevel: Level,
        PrioColors: new Set(),
        PrioNames: new Set(),
        Messages: [],
        Messwert: undefined,
        Schleifenwert: undefined,
      };
    }

    acc[IdLD][Modul].PrioColors.add(PrioColor);
    acc[IdLD][Modul].PrioNames.add(PrioName);
    if (Message && Message !== "?") {
      acc[IdLD][Modul].Messages.push(Message);
    }

    if (DpName.endsWith("_Messwert") && !acc[IdLD][Modul].Messwert) {
      acc[IdLD][Modul].Messwert = Value;
    }

    if (DpName.endsWith("_Schleifenwert") && !acc[IdLD][Modul].Schleifenwert) {
      acc[IdLD][Modul].Schleifenwert = Value;
    }

    return acc;
  }, {});

  const formattedData = {};
  Object.entries(grouped).forEach(([stationId, modules]) => {
    const filteredModules = Object.entries(modules)
      .filter(([modulId, data]) => data.ModulName !== "?")
      .map(([modulId, data]) => ({
        Modul: modulId,
        ModulName: data.ModulName,
        ModulTyp: data.ModulTyp,
        TotalLevel: data.TotalLevel,
        PrioColors: Array.from(data.PrioColors).join(", "),
        PrioNames: Array.from(data.PrioNames).join(", "),
        Messages: data.Messages.join(" | "),
        Messwert: data.Messwert,
        Schleifenwert: data.Schleifenwert,
      }));

    if (filteredModules.length > 0) {
      formattedData[stationId] = filteredModules;
    }
  });

  //console.log("Aggregierte und gruppierte Daten (gefiltert):", formattedData);
}

export default useLineData;