CPLv4.0/components/Header.jsx

"use client"; // components/header.jsx
import React, { useEffect, useState } from "react";
import Image from "next/image";
import "bootstrap-icons/font/bootstrap-icons.css";
import SettingsModal from "./modales/SettingsModal";
//import { getFromIndexedDB } from "../utils/indexedDB";

function Header() {
  const [stationsname, setStationsname] = useState("Lädt...");
  const [cplStatus, setCplStatus] = useState("Lädt...");
  const [showSettingsModal, setShowSettingsModal] = useState(false);

  const handleSettingsClick = () => setShowSettingsModal(true);
  const handleCloseSettingsModal = () => setShowSettingsModal(false);
  const handleLogout = () => (window.location.href = "/offline.html");
  //------------------------------------------------------------------
  //---------  Direkte Implementierung von `getFromIndexedDB` , um Importprobleme zu vermeiden in Produktionsumgebung -----
  async function getFromIndexedDB(key) {
    return new Promise((resolve, reject) => {
      const request = indexedDB.open("CPLDatabase", 1);
      request.onsuccess = () => {
        const db = request.result;
        const transaction = db.transaction("cplVariables", "readonly");
        const store = transaction.objectStore("cplVariables");
        const getRequest = store.get(key);
        getRequest.onsuccess = () => resolve(getRequest.result);
        getRequest.onerror = () => reject(getRequest.error);
      };
      request.onerror = () => reject(request.error);
    });
  }
  //------------------------------------------------------------------
  useEffect(() => {
    const loadData = async () => {
      try {
        //console.log("Lade Daten aus IndexedDB...");

        const deviceName = await getFromIndexedDB("deviceName");
        //console.log("DeviceName geladen:", deviceName); // Sollte den geladenen Wert zeigen

        const hardwareVersion = await getFromIndexedDB("kueVersion");
        //console.log("HardwareVersion geladen:", hardwareVersion); // Sollte den geladenen Wert zeigen

        setStationsname(deviceName || "Unbekannt");
        setCplStatus(hardwareVersion || "Unbekannt");
      } catch (error) {
        console.error("Fehler beim Laden der Daten aus IndexedDB:", error);
      }
    };

    loadData();

    const interval = setInterval(() => {
      loadData();
    }, 5000);

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

  //------------------------------------------------------------------
  return (
    <header className="bg-gray-300 flex justify-between items-center w-full h-28 relative text-black">
      <div className="absolute left-32 top-32 transform -translate-y-1/2">
        <Image
          src="/images/Logo.png"
          alt="Logo"
          width={80}
          height={80}
          style={{ width: "auto", height: "auto" }}
          priority={false}
        />
      </div>
      <div className="w-64 flex-shrink-0 h-full mt-24 "></div>

      <div className="flex items-start space-x-4 w-full">
        <div className="flex flex-col text-left pl-8">
          <h2 className="text-base">Stationsname</h2>
          <p className="text-base text-gray-600">{stationsname}</p>
        </div>
      </div>
      <div className="p-4 w-full lg:w-full flex flex-row gap-4 justify-between">
        <div className="flex items-center justify-end w-full">
          <button
            onClick={handleSettingsClick}
            className="text-3xl text-black mr-7"
          >
            <i className="bi bi-gear"></i>
          </button>
        </div>
        <div className="flex items-center justify-end w-full">
          <button
            onClick={handleLogout}
            className="bg-littwin-blue text-white px-4 py-2 rounded"
          >
            Abmelden
          </button>
        </div>
      </div>
      {showSettingsModal && (
        <SettingsModal
          showModal={showSettingsModal}
          onClose={handleCloseSettingsModal}
        />
      )}
    </header>
  );
}

export default Header;