import { Router } from 'express';
import { scrapeAll } from '../scraper.js';
import rateLimit from 'express-rate-limit';
import { requireServiceKey } from '../middleware/service-auth.js';

const router = Router();
const scrapeLimiter = rateLimit({
  windowMs: 15 * 60 * 1000,
  max: 5,
  standardHeaders: true,
  legacyHeaders: false,
});

// Trigger scraping
router.post('/scrape', scrapeLimiter, requireServiceKey('INGEST_API_KEY'), async (req, res) => {
  try {
    const { queries = ['crema hidratante'], sources = ['promofarma'] } = req.body;
    if (!Array.isArray(queries) || !Array.isArray(sources) || queries.length > 20 || sources.length > 10) {
      return res.status(400).json({ error: 'queries and sources must be bounded arrays' });
    }

    console.log('[Scraper] Starting scrape...');
    console.log(`[Scraper] Queries: ${queries.join(', ')}`);
    console.log(`[Scraper] Sources: ${sources.join(', ')}`);

    const result = await scrapeAll(queries, sources);

    console.log(`[Scraper] Completed. Total: ${result.total} products`);

    res.json(result);
  } catch (error) {
    console.error('[Scraper] Error:', error.message);
    res.status(500).json({ error: 'Scraping failed' });
  }
});

export default router;