"use client";

import { useState } from "react";

type MenuItem = { id: string; label: string; path: string; visible: boolean; order: number };

const initialMenus: MenuItem[] = [
  { id: "1", label: "홈", path: "/", visible: true, order: 1 },
  { id: "2", label: "게시판", path: "/boards", visible: true, order: 2 },
  { id: "3", label: "쿠폰", path: "/coupons", visible: false, order: 3 },
];

export default function AdminMenusPage() {
  const [menus, setMenus] = useState<MenuItem[]>(initialMenus);
  const [form, setForm] = useState<{ label: string; path: string; visible: boolean }>({ label: "", path: "", visible: true });

  function addMenu() {
    if (!form.label.trim() || !form.path.trim()) return;
    const next: MenuItem = { id: crypto.randomUUID(), label: form.label, path: form.path, visible: form.visible, order: menus.length + 1 };
    setMenus((m) => [...m, next]);
    setForm({ label: "", path: "", visible: true });
  }

  function removeMenu(id: string) {
    setMenus((m) => m.filter((x) => x.id !== id));
  }

  function toggleVisible(id: string) {
    setMenus((m) => m.map((x) => (x.id === id ? { ...x, visible: !x.visible } : x)));
  }

  return (
    <div className="space-y-6">
      <header className="flex items-center justify-between">
        <h1 className="text-xl md:text-2xl font-bold text-neutral-900">메뉴 관리</h1>
      </header>

      {/* 추가 폼 */}
      <section className="rounded-xl bg-white border border-neutral-200 overflow-hidden">
        <div className="px-4 py-3 border-b border-neutral-200 text-sm font-medium">메뉴 추가</div>
        <div className="p-4 grid grid-cols-1 md:grid-cols-[240px_1fr_auto] gap-3 items-center">
          <input className="h-10 rounded-md border border-neutral-300 px-3 text-sm" placeholder="이름" value={form.label} onChange={(e) => setForm({ ...form, label: e.target.value })} />
          <input className="h-10 rounded-md border border-neutral-300 px-3 text-sm" placeholder="경로 (/path)" value={form.path} onChange={(e) => setForm({ ...form, path: e.target.value })} />
          <div className="flex items-center gap-3">
            <label className="flex items-center gap-1 text-sm text-neutral-700">
              <input type="checkbox" checked={form.visible} onChange={(e) => setForm({ ...form, visible: e.target.checked })} /> 표시
            </label>
            <button className="h-10 px-4 rounded-md bg-neutral-900 text-white text-sm hover:bg-neutral-800" onClick={addMenu}>추가</button>
          </div>
        </div>
      </section>

      {/* 목록 */}
      <section className="rounded-xl bg-white border border-neutral-200 overflow-hidden">
        <div className="px-4 py-2 text-xs text-neutral-500 border-b border-neutral-200 grid grid-cols-[60px_1fr_1fr_120px_120px]">
          <div>#</div>
          <div>이름</div>
          <div>경로</div>
          <div className="text-center">표시</div>
          <div className="text-right">관리</div>
        </div>
        <ul className="divide-y divide-neutral-100">
          {menus.sort((a, b) => a.order - b.order).map((m, idx) => (
            <li key={m.id} className="px-4 py-3 grid grid-cols-[60px_1fr_1fr_120px_120px] items-center">
              <div className="text-sm text-neutral-500">{idx + 1}</div>
              <div className="truncate text-sm">{m.label}</div>
              <div className="truncate text-sm text-neutral-700">{m.path}</div>
              <div className="text-center">
                <button onClick={() => toggleVisible(m.id)} className={`h-7 px-3 rounded-full text-xs border ${m.visible ? "bg-neutral-900 text-white border-neutral-900" : "bg-white text-neutral-700 border-neutral-300 hover:bg-neutral-100"}`}>{m.visible ? "표시" : "숨김"}</button>
              </div>
              <div className="text-right">
                <button onClick={() => removeMenu(m.id)} className="h-7 px-3 rounded-md border border-neutral-300 text-xs hover:bg-neutral-100">삭제</button>
              </div>
            </li>
          ))}
        </ul>
      </section>
    </div>
  );
}