'use client';

import Link from 'next/link';
import { usePathname, useRouter } from 'next/navigation';
import { useState } from 'react';

const NAV_ITEMS = [
  {
    href: '/admin/dashboard',
    label: '대시보드',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
      </svg>
    ),
  },
  {
    href: '/admin/members',
    label: '회원 관리',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z" />
      </svg>
    ),
  },
  {
    href: '/admin/services',
    label: '서비스 설정',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
      </svg>
    ),
  },
  {
    href: '/admin/contacts',
    label: '문의 내역',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
      </svg>
    ),
  },
  {
    href: '/admin/quotes',
    label: '견적서 관리',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
      </svg>
    ),
  },
  {
    href: '/admin/marketing',
    label: '마케팅 에셋',
    icon: (
      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
          d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z" />
      </svg>
    ),
  },
];

interface AdminSidebarProps {
  isOpen?: boolean;
  onClose?: () => void;
}

export default function AdminSidebar({ isOpen = false, onClose }: AdminSidebarProps) {
  const pathname = usePathname();
  const router = useRouter();
  const [loggingOut, setLoggingOut] = useState(false);

  async function handleLogout() {
    setLoggingOut(true);
    await fetch('/api/admin/logout', { method: 'POST' });
    router.push('/admin/login');
  }

  return (
    <aside className={`
      w-60 flex-shrink-0 bg-slate-900 flex flex-col h-screen
      fixed top-0 left-0 z-30 transition-transform duration-300
      lg:static lg:translate-x-0
      ${isOpen ? 'translate-x-0' : '-translate-x-full'}
    `}>
      {/* 로고 */}
      <div className="px-5 py-5 border-b border-slate-700/60">
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-3">
            <div className="w-9 h-9 rounded-xl bg-gradient-to-br from-red-500 to-orange-500 flex items-center justify-center text-white font-bold text-sm">
              관
            </div>
            <div>
              <p className="text-white font-bold text-sm leading-tight">관리자 패널</p>
              <p className="text-slate-400 text-xs">쟁승메이드</p>
            </div>
          </div>
          {/* 모바일 닫기 버튼 */}
          {onClose && (
            <button
              onClick={onClose}
              className="lg:hidden p-1.5 rounded-lg text-slate-400 hover:text-white hover:bg-slate-800 transition"
              aria-label="메뉴 닫기"
            >
              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
              </svg>
            </button>
          )}
        </div>
      </div>

      {/* 네비게이션 */}
      <nav className="flex-1 py-4 px-3 space-y-1 overflow-y-auto">
        {NAV_ITEMS.map((item) => {
          const active = pathname.startsWith(item.href);
          return (
            <Link
              key={item.href}
              href={item.href}
              className={`flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-all ${
                active
                  ? 'bg-gradient-to-r from-red-600/30 to-orange-500/20 text-white border border-red-500/30'
                  : 'text-slate-400 hover:text-white hover:bg-slate-800'
              }`}
            >
              <span className={active ? 'text-red-400' : ''}>{item.icon}</span>
              {item.label}
            </Link>
          );
        })}
      </nav>

      {/* 사이트로 돌아가기 + 로그아웃 */}
      <div className="px-3 py-4 border-t border-slate-700/60 space-y-2">
        <Link
          href="/"
          className="flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm text-slate-400 hover:text-white hover:bg-slate-800 transition-all"
        >
          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
              d="M10 19l-7-7m0 0l7-7m-7 7h18" />
          </svg>
          사이트로 돌아가기
        </Link>
        <button
          onClick={handleLogout}
          disabled={loggingOut}
          className="w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm text-red-400 hover:text-red-300 hover:bg-red-900/20 transition-all"
        >
          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
              d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
          </svg>
          {loggingOut ? '로그아웃 중...' : '로그아웃'}
        </button>
      </div>
    </aside>
  );
}