import { Router, type Response } from 'express';
import { annotationsRepository } from '../repositories/annotationsRepository.js';
import { canWriteProject, requireWriter, type AuthRequest } from '../auth.js';
import { database } from '../database.js';

const router = Router();

router.delete('/:annotationId', requireWriter, async (req: AuthRequest, res: Response) => {
  const id = Number(req.params.annotationId);
  if (!Number.isFinite(id)) { res.status(400).json({ error: '无效的批注 ID' }); return; }
  const context = await database.one<{ project_id: number }>('SELECT c.project_id FROM annotations a JOIN images i ON i.id = a.image_id JOIN notes n ON n.id = i.note_id JOIN collections c ON c.id = n.collection_id WHERE a.id = ?', [id]);
  if (!context) { res.status(404).json({ error: '批注不存在' }); return; }
  if (!await canWriteProject(req, context.project_id)) { res.status(403).json({ error: '无权操作该批注' }); return; }
  await annotationsRepository.remove(id);
  res.status(204).end();
});

export default router;