// services/fetchAnalogInputsService.ts

export const fetchAnalogInputsService = async () => {
  const mode = process.env.NEXT_PUBLIC_CPL_MODE;
  // ✅ PRODUKTIV: lädt JavaScript vom Gerät über CGI
  if (mode === "production") {
    console.log("🔄 Lade analoge Eingänge im Produktionsmodus...");
    const scriptUrl = "/CPL?/CPL/SERVICE/analogInputs.js";

    await new Promise<void>((resolve, reject) => {
      const script = document.createElement("script");
      script.src = scriptUrl;
      script.async = true;
      script.onload = () => resolve();
      script.onerror = () => reject("❌ Fehler beim Laden der analogInputs.js");
      document.body.appendChild(script);
    });

    const win = window as any;

    return Array.from({ length: 8 }, (_, i) => ({
      id: i + 1,
      value: parseFloat(win.win_analogInputsValues[i]),
      label: win.win_analogInputsLabels[i],
      unit: win.win_analogInputsUnits[i],
      offset: parseFloat(win.win_analogInputsOffset[i]),
      factor: parseFloat(win.win_analogInputsFactor[i]),
      loggerInterval: parseInt(win.win_analogInputsLoggerIntervall[i]),
      weighting: parseInt(win.win_analogInputsWeighting[i]),
    }));
  }
  // ✅ jsSimulatedProd-MODUS (Script einbinden und aus window lesen)
  else if (mode === "jsSimulatedProd") {
    console.log("🔄 Lade simulierte analoge Eingänge im Produktionsmodus...");
    const scriptUrl = "/api/cpl/getAnalogInputsHandler"; // gibt JavaScript zurück

    await new Promise<void>((resolve, reject) => {
      const script = document.createElement("script");
      script.src = scriptUrl;
      script.async = true;
      script.onload = () => resolve();
      script.onerror = () =>
        reject("❌ Fehler beim Laden des simulierten Scripts");
      document.body.appendChild(script);
    });

    const win = window as any;

    return Array.from({ length: 8 }, (_, i) => ({
      id: i + 1,
      value: parseFloat(win.win_analogInputsValues[i]),
      label: win.win_analogInputsLabels[i],
      unit: win.win_analogInputsUnits[i],
      offset: parseFloat(win.win_analogInputsOffset[i]),
      factor: parseFloat(win.win_analogInputsFactor[i]),
      loggerInterval: parseInt(win.win_analogInputsLoggerIntervall[i]),
      weighting: parseInt(win.win_analogInputsWeighting[i]),
    }));
  }
  // ✅ JSON-MODUS (API gibt JSON-Daten zurück)
  else if (mode === "json") {
    console.log("🔄 Lade analoge Eingänge im JSON-Modus...");
    const res = await fetch("/api/cpl/getAnalogInputsHandler");
    if (!res.ok) throw new Error("❌ Fehler beim Laden der analogen Eingänge");

    const data = await res.json();
    console.log("📡 Analoge Eingänge geladen:", data);

    return data.win_analogInputsValues.map((value: number, i: number) => ({
      id: i + 1,
      value,
      label: data.win_analogInputsLabels[i],
      unit: data.win_analogInputsUnits[i],
      offset: parseFloat(data.win_analogInputsOffset[i]),
      factor: parseFloat(data.win_analogInputsFactor[i]),
      loggerInterval: parseInt(data.win_analogInputsLoggerIntervall[i]),
      weighting: parseInt(data.win_analogInputsWeighting[i]),
    }));
  } else {
    throw new Error(`Unbekannter Modus: ${mode}`);
  }
};