"use client"; // Falls notwendig
import React, { useState, useEffect } from "react";
import { Icon } from "@iconify/react";

function EinAusgaenge() {
  const [mockData, setMockData] = useState({
    win_de: Array(32).fill(0),
    win_counter: Array(32).fill(0),
    win_flutter: Array(32).fill(0),
  });
  const [isLoading, setIsLoading] = useState(true);

  // Digitale Ausgänge (Hooks müssen immer initialisiert werden)
  const [digitalOutputs, setDigitalOutputs] = useState([
    { id: 1, description: "Ausgang1", toggle: true },
    { id: 2, description: "Ausgang2", toggle: false },
    { id: 3, description: "Ausgang3", toggle: true },
    { id: 4, description: "Ausgang4", toggle: false },
  ]);

  // Modal-Zustände
  const [selectedInput, setSelectedInput] = useState(null);
  const [selectedOutput, setSelectedOutput] = useState(null);
  const [isInputModalOpen, setIsInputModalOpen] = useState(false);
  const [isOutputModalOpen, setIsOutputModalOpen] = useState(false);

  useEffect(() => {
    const isDevelopment = process.env.NODE_ENV === "development";
    const script = document.createElement("script");

    script.src = isDevelopment
      ? "/CPLmockData/SERVICE/de.js"
      : "/CPL/SERVICE/de.js";
    script.async = true;

    script.onload = () => {
      try {
        if (
          typeof win_de !== "undefined" &&
          typeof win_counter !== "undefined" &&
          typeof win_flutter !== "undefined"
        ) {
          setMockData({
            win_de,
            win_counter,
            win_flutter,
          });
        } else {
          console.error("Mock-Daten konnten nicht geladen werden.");
        }
      } catch (error) {
        console.error("Fehler beim Zugriff auf die globalen Daten:", error);
      } finally {
        setIsLoading(false);
      }
    };

    script.onerror = () => {
      console.error("Fehler beim Laden der Skript-Datei:", script.src);
      setIsLoading(false);
    };

    document.body.appendChild(script);

    return () => {
      document.body.removeChild(script);
    };
  }, []);

  const toggleSwitch = (id) => {
    setDigitalOutputs((prevOutputs) =>
      prevOutputs.map((output) =>
        output.id === id ? { ...output, toggle: !output.toggle } : output
      )
    );
  };

  const openInputModal = (input) => {
    setSelectedInput(input);
    setIsInputModalOpen(true);
  };

  const closeInputModal = () => {
    setSelectedInput(null);
    setIsInputModalOpen(false);
  };

  const openOutputModal = (output) => {
    setSelectedOutput(output);
    setIsOutputModalOpen(true);
  };

  const closeOutputModal = () => {
    setSelectedOutput(null);
    setIsOutputModalOpen(false);
  };

  const digitalInputs = mockData.win_de.map((status, index) => ({
    id: index + 1,
    status: status === 1 ? "active" : "inactive",
    description: `DE${index + 1}`,
    isInverted: false,
  }));

  const inputsGroup1 = digitalInputs.slice(0, 16);
  const inputsGroup2 = digitalInputs.slice(16);

  return (
    <div className="p-4">
      <h1 className="text-lg font-semibold mb-4">Ein- und Ausgänge</h1>
      <div className="flex gap-4">
        {/* Digitale Eingänge */}
        <div className="bg-white shadow-md rounded-lg border border-gray-200 p-4 w-3/5 flex-grow flex flex-col">
          <h2 className="text-md font-bold mb-4 flex items-center">
            <Icon icon="mdi:input" className="text-blue-500 mr-2 text-2xl" />
            Digitale Eingänge
          </h2>
          <div className="grid grid-cols-2 gap-4">
            {[inputsGroup1, inputsGroup2].map((group, index) => (
              <div key={index} className="flex-grow">
                <table className="w-full text-sm border-collapse bg-white rounded-lg">
                  <thead className="bg-gray-100 border-b">
                    <tr>
                      <th className="px-2 py-1 text-left">Eingang</th>
                      <th className="px-2 py-1 text-left">Zustand</th>
                      <th className="px-2 py-1 text-left">Bezeichnung</th>
                      <th className="px-2 py-1 text-left">Aktion</th>
                    </tr>
                  </thead>
                  <tbody>
                    {group.map((input) => (
                      <tr key={input.id} className="border-b">
                        <td className="flex items-center p-2 xl:py-0 2xl:p-1">
                          <Icon
                            icon="mdi:input"
                            className="text-black-500 mr-2 text-xl"
                          />
                          {input.id}
                        </td>
                        <td className="p-2 xl:py-0">
                          <span
                            className={
                              input.status === "active"
                                ? "text-green-500"
                                : "text-red-500"
                            }
                          >
                            {input.status === "active" ? "●" : "⨉"}
                          </span>
                        </td>
                        <td className="p-2 xl:py-0">{input.description}</td>
                        <td className="p-2 xl:py-0">
                          <Icon
                            icon="mdi:settings"
                            className="text-gray-400 text-lg cursor-pointer"
                            onClick={() => openInputModal(input)}
                          />
                        </td>
                      </tr>
                    ))}
                  </tbody>
                </table>
              </div>
            ))}
          </div>
        </div>

        {/* Digitale Ausgänge */}
        <div className="bg-white shadow-md rounded-lg border border-gray-200 p-4 w-2/5 h-[fit-content]">
          <h2 className="text-md font-bold mb-4 flex items-center">
            <Icon icon="mdi:output" className="text-blue-500 mr-2 text-2xl" />
            Digitale Ausgänge
          </h2>
          <table className="w-full text-sm border-collapse bg-white rounded-lg">
            <thead className="bg-gray-100 border-b">
              <tr>
                <th className="px-2 py-1 text-left">Ausgang</th>
                <th className="px-2 py-1 text-left">Bezeichnung</th>
                <th className="px-2 py-1 text-left">Schalter</th>
                <th className="px-2 py-1 text-left">Aktion</th>
              </tr>
            </thead>
            <tbody>
              {digitalOutputs.map((output) => (
                <tr key={output.id} className="border-b">
                  <td className="flex items-center px-2 py-1">
                    <Icon
                      icon="mdi:output"
                      className="text-black-500 mr-2 text-xl"
                    />
                    {output.id}
                  </td>
                  <td className="px-2 py-1">{output.description}</td>
                  <td className="px-2 py-1">
                    <Icon
                      icon="ion:switch"
                      onClick={() => toggleSwitch(output.id)}
                      className={`cursor-pointer text-2xl transform ${
                        output.toggle
                          ? "text-blue-500 scale-x-100"
                          : "text-gray-500 scale-x-[-1]"
                      }`}
                      title={`Schalter ${
                        output.toggle ? "EIN" : "AUS"
                      } schalten`}
                    />
                  </td>
                  <td className="px-2 py-1">
                    <Icon
                      icon="mdi:settings"
                      className="text-gray-400 text-lg cursor-pointer"
                      onClick={() => openOutputModal(output)}
                    />
                  </td>
                </tr>
              ))}
            </tbody>
          </table>
        </div>
      </div>

      {/* Modal für Eingänge */}
      {isInputModalOpen && (
        <div className="fixed top-0 left-0 w-full h-full bg-black bg-opacity-50 flex justify-center items-center z-50">
          <div className="bg-white rounded-lg shadow-lg p-6 w-1/3">
            <h2 className="text-lg font-bold mb-4">
              Details für Eingang {selectedInput.id}
            </h2>
            <p>
              <strong>Status:</strong>{" "}
              {selectedInput.status === "active" ? "Aktiv" : "Inaktiv"}
            </p>
            <p>
              <strong>Beschreibung:</strong> {selectedInput.description}
            </p>
            <button
              onClick={closeInputModal}
              className="mt-4 px-4 py-2 bg-blue-500 text-white rounded-lg"
            >
              Schließen
            </button>
          </div>
        </div>
      )}

      {/* Modal für Ausgänge */}
      {isOutputModalOpen && (
        <div className="fixed top-0 left-0 w-full h-full bg-black bg-opacity-50 flex justify-center items-center z-50">
          <div className="bg-white rounded-lg shadow-lg p-6 w-1/3">
            <h2 className="text-lg font-bold mb-4">
              Details für Ausgang {selectedOutput.id}
            </h2>
            <p>
              <strong>Bezeichnung:</strong> {selectedOutput.description}
            </p>
            <p>
              <strong>Status:</strong>{" "}
              {selectedOutput.toggle ? "Eingeschaltet" : "Ausgeschaltet"}
            </p>
            <button
              onClick={closeOutputModal}
              className="mt-4 px-4 py-2 bg-blue-500 text-white rounded-lg"
            >
              Schließen
            </button>
          </div>
        </div>
      )}
    </div>
  );
}

export default EinAusgaenge;
