"use client";
// /components/main/kabelueberwachung/kue705FO/modals/TdrEinstellung.tsx

import React, { useState } from "react";
import { useSelector } from "react-redux";
import { RootState } from "../../../../../redux/store";

interface Props {
  slot: number;
}

export default function TdrEinstellung({ slot }: Props) {
  const tdrSlice = useSelector((state: RootState) => state.kueDataSlice);

  // Lokaler editierbarer Zustand
  const [tdrData, setTdrData] = useState({
    verstarkung: tdrSlice.tdrAtten?.[slot] ?? "",
    pulsweite: tdrSlice.tdrSpeed?.[slot] ?? "",
    trigger: tdrSlice.tdrTrigger?.[slot] ?? "",
  });

  const [tdrActive, setTdrActive] = useState(false); // Optional: aus Redux ergänzbar

  const handleSave = () => {
    const { verstarkung, pulsweite, trigger } = tdrData;
    if (!verstarkung.trim() || !pulsweite.trim() || !trigger.trim()) {
      alert("Bitte alle Felder ausfüllen.");
      return;
    }

    const url = `/CPL?KTT${slot}=0&V=${verstarkung.trim()}&P=${pulsweite.trim()}&T=${trigger.trim()}`;
    alert(`Sende: ${url}`);
    window.location.href = url;
  };

  return (
    <div className="space-y-4 text-sm laptop:text-base">
      <h2 className="text-base laptop:text-lg font-semibold">
        TDR-Einstellung – Steckplatz {slot + 1}
      </h2>

      <div className="flex items-center gap-3">
        <span className="text-sm font-medium">TDR-Funktion:</span>
        <button
          type="button"
          role="switch"
          aria-checked={tdrActive}
          onClick={() => setTdrActive(!tdrActive)}
          className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors duration-200 ${
            tdrActive ? "bg-green-500" : "bg-gray-300"
          }`}
        >
          <span
            className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform duration-200 ${
              tdrActive ? "translate-x-6" : "translate-x-1"
            }`}
          />
        </button>
        <span className="text-sm text-gray-600">
          {tdrActive ? "aktiviert" : "deaktiviert"}
        </span>
      </div>

      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
        {/* TDR Dämpfung */}
        <div>
          <label className="block text-sm font-medium mb-1">TDR Dämpfung</label>
          <div className="relative">
            <input
              value={tdrData.verstarkung}
              onChange={(e) =>
                setTdrData({ ...tdrData, verstarkung: e.target.value })
              }
              className="border px-2 py-1 rounded w-full pr-10"
            />
            <span className="absolute right-2 top-1/2 -translate-y-1/2 text-xs text-gray-500">
              dB
            </span>
          </div>
        </div>

        {/* Geschwindigkeit */}
        <div>
          <label className="block text-sm font-medium mb-1">
            Geschwindigkeit
          </label>
          <div className="relative">
            <input
              value={tdrData.pulsweite}
              onChange={(e) =>
                setTdrData({ ...tdrData, pulsweite: e.target.value })
              }
              className="border px-2 py-1 rounded w-full pr-14"
            />
            <span className="absolute right-2 top-1/2 -translate-y-1/2 text-xs text-gray-500">
              m/µs
            </span>
          </div>
        </div>

        {/* Trigger */}
        <div>
          <label className="block text-sm font-medium mb-1">Trigger</label>
          <input
            value={tdrData.trigger}
            onChange={(e) =>
              setTdrData({ ...tdrData, trigger: e.target.value })
            }
            className="border px-2 py-1 rounded w-full"
          />
        </div>
      </div>

      <div className="pt-4 flex justify-end">
        <button
          onClick={handleSave}
          className="bg-blue-600 text-white px-4 py-2 rounded shadow hover:bg-blue-700"
        >
          💾 Einstellungen senden
        </button>
      </div>
    </div>
  );
}