CPLv4.0/utils/loadWindowVariables.js

// utils/loadWindowVariables.js

export async function loadWindowVariables() {
  return new Promise((resolve, reject) => {
    const requiredVars = [
      "last20Messages",
      "deviceName",
      "mac1",
      "mac2",
      "ip",
      "subnet",
      "gateway",
      "datetime",
      "de",
      "counter",
      "flutter",
      "kueOnline",
      "kueID",
      "kueAlarm1",
      "kueAlarm2",
      "kueRes",
      "kueCableBreak",
      "kueGroundFault",
      "kueLimit1",
      "kueLimit2Low",
      "kueDelay1",
      "kueLoopInterval",
      "kueVersion",
      "tdrAtten",
      "tdrPulse",
      "tdrSpeed",
      "tdrAmp",
      "tdrTrigger",
      "tdrLocation",
      "tdrActive",
      "kueOverflow",
      "kueResidence",
      "tdrLast",
      "appVersion",
    ];

    const loadScript = (src) => {
      return new Promise((resolve, reject) => {
        const script = document.createElement("script");
        const environment = process.env.NEXT_PUBLIC_NODE_ENV || "production";
        script.src =
          environment === "production"
            ? `/CPL?/CPL/SERVICE/${src}`
            : `/CPLmockData/SERVICE/${src}`;
        script.async = true;
        script.onload = resolve;
        script.onerror = reject;
        document.head.appendChild(script);
      });
    };

    const saveToIndexedDB = async (key, value) => {
      const request = indexedDB.open("CPLDatabase", 1);
      request.onupgradeneeded = () => {
        const db = request.result;
        if (!db.objectStoreNames.contains("cplVariables")) {
          db.createObjectStore("cplVariables");
        }
      };

      return new Promise((resolve, reject) => {
        request.onsuccess = () => {
          const db = request.result;
          const tx = db.transaction("cplVariables", "readwrite");
          const store = tx.objectStore("cplVariables");
          store.put(value, key);
          tx.oncomplete = resolve;
          tx.onerror = reject;
        };
        request.onerror = reject;
      });
    };

    const saveVariables = async () => {
      const savePromises = requiredVars.map(async (variable) => {
        if (window[variable] !== undefined) {
          localStorage.setItem(variable, window[variable]);
          await saveToIndexedDB(variable, window[variable]);
        }
      });
      await Promise.all(savePromises);
    };

    const scripts = ["de.js", "kueData.js", "Start.js", "System.js"];

    // Lade die Skripte nacheinander
    scripts
      .reduce((promise, script) => {
        return promise.then(() => loadScript(script));
      }, Promise.resolve())
      .then(async () => {
        const checkVariables = () => {
          const missingVars = requiredVars.filter(
            (variable) => window[variable] === undefined
          );
          return missingVars;
        };

        const initialMissingVars = checkVariables();

        if (initialMissingVars.length === 0) {
          console.log("Alle Variablen von CPL geladen.");
          await saveVariables();
          resolve();
        } else {
          console.log(
            "Noch fehlende Variablen beim ersten Aufruf:",
            initialMissingVars
          );

          const maxChecks = 10;
          let checkCount = 0;
          const checkInterval = setInterval(async () => {
            const remainingMissingVars = checkVariables();

            if (remainingMissingVars.length === 0) {
              clearInterval(checkInterval);
              console.log("Alle fehlenden Systemvariablen sind jetzt geladen.");
              await saveVariables();
              resolve();
            } else if (checkCount >= maxChecks) {
              clearInterval(checkInterval);
              console.warn(
                "Einige Variablen wurden nicht geladen:",
                remainingMissingVars
              );
              reject(
                new Error(
                  "Einige Variablen fehlen nach wiederholten Versuchen."
                )
              );
            } else {
              console.log("Noch fehlende Variablen:", remainingMissingVars);
            }
            checkCount++;
          }, 10000); // Überprüfung alle 10 Sekunden
        }
      })
      .catch((error) => {
        console.error("Fehler beim Laden eines Skripts:", error);
        reject(error);
      });
  });
}