import { sql } from '@vercel/postgres';

export default async function handler(req, res) {
  if (req.method !== 'GET') {
    return res.status(405).json({ error: 'Method not allowed' });
  }

  try {
    // For now, return mock collections until we implement user authentication
    const mockCollections = [
      { id: 1, name: 'My MTG Collection', game: 'MTG' },
      { id: 2, name: 'Pokemon Favorites', game: 'Pokemon' },
      { id: 3, name: 'Lorcana Disney', game: 'Lorcana' },
      { id: 4, name: 'Rare Cards', game: 'MTG' },
      { id: 5, name: 'Holographic Collection', game: 'Pokemon' }
    ];

    res.status(200).json(mockCollections);
  } catch (error) {
    console.error('Error fetching collections:', error);
    res.status(500).json({ error: 'Failed to fetch collections' });
  }
}