import React, { useEffect, useState } from 'react';
import { motion } from 'framer-motion';
import { GitBranch, Video, Mail, Cloud, Puzzle, ArrowRight, ArrowLeft, LogOut } from 'lucide-react';
import { Link, useNavigate } from 'react-router-dom';

const services = [
  { title: "Git", url: "https://git.atakanzgn.com.tr", desc: "Projeler ve kod yönetimi.", icon: <GitBranch size={28} />, color: "from-orange-400 to-red-500" },
  { title: "Meet", url: "https://meet.atakanzgn.com.tr", desc: "Güvenli video konferans.", icon: <Video size={28} />, color: "from-blue-400 to-indigo-500" },
  { title: "Mail", url: "https://mail.atakanzgn.com.tr", desc: "E-posta sunucusu.", icon: <Mail size={28} />, color: "from-green-400 to-emerald-500" },
  { title: "Cloud", url: "https://cloud.atakanzgn.com.tr", desc: "Dosya depolama.", icon: <Cloud size={28} />, color: "from-cyan-400 to-blue-500" },
  { title: "n8n", url: "https://n8n.atakanzgn.com.tr", desc: "Otomasyon araçları.", icon: <Puzzle size={28} />, color: "from-pink-400 to-rose-500" }
];

const containerVariants = {
  hidden: { opacity: 0 },
  visible: { opacity: 1, transition: { staggerChildren: 0.1 } }
};

const cardVariants = {
  hidden: { y: 20, opacity: 0 },
  visible: { y: 0, opacity: 1 }
};

export default function Portal() {
  const navigate = useNavigate();
  // Kullanıcı adını state'ten veya storage'dan alalım
  const [user, setUser] = useState({ name: "Atakan" });

  // Sayfa yüklendiğinde güvenlik kontrolü yap
  useEffect(() => {
    // Backend'den aldığımız token'ı kontrol ediyoruz
    const token = sessionStorage.getItem('authToken');
    const userData = sessionStorage.getItem('user');

    if (!token) {
      navigate('/'); // Token yoksa ana sayfaya at
    }

    if (userData) {
      try {
        setUser(JSON.parse(userData));
      } catch (e) {
        // JSON parse hatası olursa varsayılan kalır
      }
    }
  }, [navigate]);

  const handleLogout = () => {
    sessionStorage.removeItem('authToken');
    sessionStorage.removeItem('user');
    navigate('/');
  };

  return (
    <div className="relative min-h-screen flex flex-col items-center justify-center p-6 overflow-hidden bg-slate-900">
      <div className="absolute top-0 -left-4 w-72 h-72 bg-purple-500 rounded-full mix-blend-multiply filter blur-3xl opacity-20 animate-blob"></div>
      <div className="absolute top-0 -right-4 w-72 h-72 bg-yellow-500 rounded-full mix-blend-multiply filter blur-3xl opacity-20 animate-blob animation-delay-2000"></div>

      <div className="relative z-10 w-full max-w-5xl">
        <div className="flex justify-between items-center mb-12">
            <Link to="/" className="text-slate-400 hover:text-white transition-colors flex items-center gap-2">
                <ArrowLeft size={20} /> Ana Sayfa
            </Link>
            <button onClick={handleLogout} className="text-red-400 hover:text-red-300 transition-colors flex items-center gap-2 text-sm font-medium">
                <LogOut size={18} /> Çıkış Yap
            </button>
        </div>

        <motion.div initial={{ opacity: 0, y: -20 }} animate={{ opacity: 1, y: 0 }} className="text-center mb-12">
          <h1 className="text-4xl md:text-5xl font-bold mb-2 text-white">Yönetim Portalı</h1>
          {/* Kullanıcı adını dinamik gösterelim */}
          <p className="text-slate-400">Hoş geldin, {user.username || user.name || "Admin"}. Servisler aktif.</p>
        </motion.div>

        <motion.div variants={containerVariants} initial="hidden" animate="visible" className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-5">
          {services.map((service, index) => (
            <motion.a
              key={index} href={service.url} target="_blank" rel="noopener noreferrer" variants={cardVariants} whileHover={{ scale: 1.02 }} whileTap={{ scale: 0.98 }}
              className="glass-panel rounded-xl p-5 group cursor-pointer relative overflow-hidden flex flex-col"
            >
              <div className={`absolute inset-0 bg-gradient-to-br ${service.color} opacity-0 group-hover:opacity-10 transition-opacity duration-500`}></div>
              <div className="relative z-10">
                <div className={`w-12 h-12 rounded-lg bg-gradient-to-br ${service.color} flex items-center justify-center mb-3 shadow-lg`}>
                  <div className="text-white">{service.icon}</div>
                </div>
                <h2 className="text-xl font-semibold mb-1 text-slate-100">{service.title}</h2>
                <p className="text-slate-400 text-sm mb-4">{service.desc}</p>
              </div>
              <div className="relative z-10 flex items-center text-xs font-bold text-slate-300 group-hover:text-white mt-auto uppercase tracking-wide">
                Giriş Yap <ArrowRight size={14} className="ml-2 group-hover:translate-x-1 transition-transform" />
              </div>
            </motion.a>
          ))}
        </motion.div>
      </div>
    </div>
  );
}