import { NextResponse } from 'next/server';

import { withAuth, withPermission } from '@/lib/api/helpers';
import { parseBody } from '@/lib/api/route-helpers';
import { errorResponse } from '@/lib/errors';
import { createFolderSchema } from '@/lib/validators/document-folders';
import { listTree, createFolder } from '@/lib/services/document-folders.service';

/**
 * GET /api/v1/document-folders
 *
 * Returns the entire folder tree for the caller's port. Roots come
 * back at the top level with `children` nested. Cached on the client
 * via TanStack - folders change rarely; the manager mutations
 * invalidate the query.
 *
 * Permission: documents.view (read-only; everyone in the port can
 * browse the tree even if they can't manage it).
 */
export const GET = withAuth(
  withPermission('documents', 'view', async (_req, ctx) => {
    try {
      const tree = await listTree(ctx.portId);
      return NextResponse.json({ data: tree });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);

/**
 * POST /api/v1/document-folders
 * Body: { name, parentId }
 *
 * Permission: documents.manage_folders.
 */
export const POST = withAuth(
  withPermission('documents', 'manage_folders', async (req, ctx) => {
    try {
      const body = await parseBody(req, createFolderSchema);
      const folder = await createFolder(ctx.portId, ctx.userId, body);
      return NextResponse.json({ data: folder }, { status: 201 });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);
