'use client';

import type { MenuNode } from '@/lib/api/types/menu';

function MenuNodes({ nodes, depth }: { nodes: MenuNode[]; depth: number }) {
  return (
    <ul className={depth === 0 ? 'space-y-1' : 'ml-4 mt-1 space-y-1 border-l border-neutral-200 pl-3'}>
      {nodes.map((n) => (
        <li key={n.id} className="text-sm">
          <span className="font-medium text-neutral-800">{n.menu_name}</span>
          {n.path ? (
            <span className="ml-2 font-mono text-xs text-neutral-500">{n.path}</span>
          ) : null}
          {n.perms ? (
            <span className="ml-2 text-xs text-neutral-400">[{n.perms}]</span>
          ) : null}
          {n.children?.length ? <MenuNodes nodes={n.children} depth={depth + 1} /> : null}
        </li>
      ))}
    </ul>
  );
}

export function MenuTreeView(props: { tree: MenuNode[] }) {
  if (!props.tree.length) {
    return <p className="text-sm text-neutral-500">暂无数据</p>;
  }
  return <MenuNodes nodes={props.tree} depth={0} />;
}