'use client';

import type { DeptNode } from '@/lib/api/types/dept';

function DeptNodes({ nodes, depth }: { nodes: DeptNode[]; 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="text-neutral-800">{n.dept_name}</span>
          {n.children?.length ? <DeptNodes nodes={n.children} depth={depth + 1} /> : null}
        </li>
      ))}
    </ul>
  );
}

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