/* eslint-disable */
// [TSM.ID].[11031972] -- All Rights Reserved. Proprietary & Confidential.
"use client";
import { useState, useEffect } from "react";
import { useParams } from "next/navigation";
import { io, Socket } from "../../../lib/zero-socket";

export default function GuestPortal() {
  const params = useParams();
  const room = params.room as string;
  
  const [name, setName] = useState("");
  const [pin, setPin] = useState("");
  const [status, setStatus] = useState<"idle" | "knocking" | "approved" | "denied">("idle");
  const [socket, setSocket] = useState<Socket | null>(null);

  useEffect(() => {
    const newSocket = io(window.location.origin, { 
      path: '/c/socket.io',
      transports: ['websocket']
    });
    setSocket(newSocket);

    newSocket.on("guest_approved", () => {
      setStatus("approved");
      // Set a temporary cookie or local storage to bypass auth in the Chat UI
      // In this specific implementation, we will just redirect to the room with a temporary token
      // For simplicity, we just change the state to 'approved' and render the chat UI here or redirect
      window.location.href = `/?guest_room=${encodeURIComponent(room)}&guest_name=${encodeURIComponent(name)}&guest_token=true`;
    });

    newSocket.on("guest_denied", () => {
      setStatus("denied");
      newSocket.disconnect();
    });

    return () => { newSocket.disconnect(); };
  }, [room, name]);

  const handleKnock = async () => {
    if (!name.trim() || !pin.trim()) return alert("Nama dan PIN wajib diisi!");
    if (!socket) return;
    
    // Validasi PIN ke API sebelum mengetuk
    try {
      setStatus("knocking");
      const resp = await fetch('/c/api/guest/knock', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ room, pin, name })
      });
      const data = await resp.json();
      
      if (data.success) {
        // PIN Valid, sekarang server menembakkan notifikasi ke Host
        socket.emit('guest_knock', { room, name, pinId: data.pinId });
      } else {
        alert(data.error || "PIN tidak valid atau sudah kedaluwarsa.");
        setStatus("idle");
      }
    } catch (e) {
      alert("Terjadi kesalahan.");
      setStatus("idle");
    }
  };

  if (status === "approved") {
    return <div className="min-h-screen bg-[#050b14] flex items-center justify-center text-white">Memasuki Ruangan...</div>;
  }

  return (
    <div className="min-h-screen bg-[#050b14] flex items-center justify-center p-4 relative overflow-hidden">
      {/* Background Decorators */}
      <div className="absolute top-1/4 left-1/4 w-96 h-96 bg-brand rounded-full mix-blend-screen filter blur-[200px] opacity-10 animate-pulse"></div>
      
      <div className="w-full max-w-md bg-[#111b21]/80 backdrop-blur-xl border border-gray-700/50 p-8 rounded-3xl shadow-2xl z-10">
        <div className="flex flex-col items-center mb-8">
          <div className="w-16 h-16 bg-brand/20 rounded-full flex items-center justify-center mb-4 border border-brand/30">
             <svg className="w-8 h-8 text-brand" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1121 9z"></path></svg>
          </div>
          <h1 className="text-2xl font-bold text-white mb-2">Akses Tamu (Guest)</h1>
          <p className="text-gray-400 text-center text-sm">
            Anda diundang ke ruangan: <br/>
            <strong className="text-brand block mt-1 text-lg">{decodeURIComponent(room)}</strong>
          </p>
        </div>

        {status === "idle" && (
          <div className="space-y-4">
            <div>
              <label className="block text-gray-400 text-xs font-bold mb-2 uppercase tracking-wider">Nama Lengkap / Instansi</label>
              <input 
                type="text" 
                value={name}
                onChange={(e) => setName(e.target.value)}
                placeholder="Contoh: Budi (Kemenkes)"
                className="w-full bg-[#202c33] text-white px-4 py-3 rounded-xl outline-none focus:ring-2 focus:ring-brand border border-transparent transition-all"
              />
            </div>
            <div>
              <label className="block text-gray-400 text-xs font-bold mb-2 uppercase tracking-wider">PIN Masuk (6-Digit)</label>
              <input 
                type="text" 
                maxLength={6}
                value={pin}
                onChange={(e) => setPin(e.target.value.replace(/\D/g, ''))}
                placeholder="000000"
                className="w-full bg-[#202c33] text-white px-4 py-3 rounded-xl outline-none focus:ring-2 focus:ring-brand border border-transparent transition-all text-center tracking-[0.5em] font-mono text-xl"
              />
            </div>
            <button 
              onClick={handleKnock}
              disabled={!name || pin.length !== 6}
              className="w-full mt-6 py-4 bg-brand hover:bg-opacity-90 text-black font-extrabold rounded-xl transition-all disabled:opacity-50 disabled:cursor-not-allowed shadow-[0_0_20px_rgba(0,255,136,0.2)] hover:shadow-[0_0_30px_rgba(0,255,136,0.4)]">
              Ketuk Pintu (Minta Akses)
            </button>
          </div>
        )}

        {status === "knocking" && (
          <div className="flex flex-col items-center py-8 text-center">
            <div className="w-16 h-16 border-4 border-gray-700 border-t-[var(--color-brand)] rounded-full animate-spin mb-6"></div>
            <h3 className="text-xl font-bold text-white mb-2">Menunggu Tuan Rumah...</h3>
            <p className="text-gray-400">PIN Anda valid. Host sedang meninjau permintaan Anda untuk masuk ke ruangan.</p>
          </div>
        )}

        {status === "denied" && (
          <div className="flex flex-col items-center py-8 text-center">
            <div className="w-16 h-16 bg-red-500/20 rounded-full flex items-center justify-center mb-6 border border-red-500/50">
               <svg className="w-8 h-8 text-red-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M6 18L18 6M6 6l12 12"></path></svg>
            </div>
            <h3 className="text-xl font-bold text-red-500 mb-2">Akses Ditolak</h3>
            <p className="text-gray-400">Tuan rumah menolak permintaan Anda untuk masuk ke ruangan ini.</p>
          </div>
        )}

      </div>
    </div>
  );
}