import { Router } from 'express';
import { requireToken } from './auth.js';
import { upsertArticle, listArticles, getArticle, updateArticle, deleteArticle } from './db.js';

const router = Router();

// POST /api/capture — what the extension hits on "Send to stash".
router.post('/capture', requireToken, (req, res) => {
  const { url, title, content_html, content_text, author, published_at } = req.body ?? {};
  if (!url || !title || !content_html || !content_text) {
    res.status(400).json({ error: 'url, title, content_html, content_text are required' });
    return;
  }
  try {
    const article = upsertArticle({ url, title, content_html, content_text, author, published_at });
    res.json(article);
  } catch (e: any) {
    res.status(500).json({ error: e.message });
  }
});

// GET /api/articles?unread=true&q=<search>&limit=50
router.get('/articles', requireToken, (req, res) => {
  const unread = req.query.unread === 'true';
  const q = typeof req.query.q === 'string' && req.query.q.trim() ? req.query.q.trim() : undefined;
  const limit = Math.min(Number(req.query.limit) || 50, 500);
  try {
    res.json(listArticles({ unread, q, limit }));
  } catch (e: any) {
    res.status(500).json({ error: e.message });
  }
});

router.get('/articles/:id', requireToken, (req, res) => {
  const article = getArticle(Number(req.params.id));
  if (!article) { res.status(404).json({ error: 'not found' }); return; }
  res.json(article);
});

router.patch('/articles/:id', requireToken, (req, res) => {
  const id = Number(req.params.id);
  const { read, tags } = req.body ?? {};
  const patch: { read_at?: string | null; tags?: string } = {};
  if (read === true) patch.read_at = new Date().toISOString();
  if (read === false) patch.read_at = null;
  if (typeof tags === 'string') patch.tags = tags;
  const article = updateArticle(id, patch);
  if (!article) { res.status(404).json({ error: 'not found' }); return; }
  res.json(article);
});

router.delete('/articles/:id', requireToken, (req, res) => {
  const ok = deleteArticle(Number(req.params.id));
  if (!ok) { res.status(404).json({ error: 'not found' }); return; }
  res.json({ ok: true });
});

export default router;