const express = require('express');
const router = express.Router();
// const { mixingRules } = require('../../shared/mixing-rules');

// Mock suggestions route
router.get('/', async (req, res) => {
  const key = req.query.key;
  const bpm = parseInt(req.query.bpm) || 120;
  
  // In production, this queries the PostgreSQL database populated with AcousticBrainz data
  // to find tracks matching the compatible Camelot keys.
  
  res.json({
    status: 'success',
    data: [
      { title: 'Suggestion 1', artist: 'Artist 1', key: '4A', bpm: bpm + 2 },
      { title: 'Suggestion 2', artist: 'Artist 2', key: '3B', bpm: bpm - 1 }
    ]
  });
});

module.exports = router;