Primary Sales

app.post('/quote', async (req, res) => {
  const { recipient_address, products, currency } = req.body;
  
  // Validate products exist and are in stock
  const validatedProducts = await validateProducts(products);
  
  // Calculate pricing (can be dynamic based on user, time, etc.)
  const pricing = await calculatePricing(validatedProducts, currency);
  
  // Set expiry (e.g., 5 minutes)
  const expires_at = new Date(Date.now() + 5 * 60 * 1000).toISOString();
  
  res.json({
    products: pricing.products,
    totals: pricing.totals,
    currency,
    expires_at,
  });
});

app.post('/authorize', async (req, res) => {
  const { reference, recipient_address, products, total_amount } = req.body;
  
  try {
    // Reserve inventory
    await reserveInventory(reference, products);
    
    // Store order for later confirmation
    await createPendingOrder({
      reference,
      recipient_address,
      products,
      total_amount,
      status: 'pending',
    });
    
    res.json({ reference, authorized: true });
  } catch (error) {
    res.json({ reference, authorized: false, reason: error.message });
  }
});

app.post('/confirm', async (req, res) => {
  const { reference, recipient_address, tx_hash, products } = req.body;
  
  try {
    // Verify the transaction on-chain
    const tx = await provider.getTransaction(tx_hash);
    if (!tx || tx.to !== PRIMARY_SALES_CONTRACT) {
      throw new Error('Invalid transaction');
    }
    await tx.wait(1);
    
    // Mint NFTs via Minting API
    for (const product of products) {
      for (const tokenId of product.token_ids) {
        await mintNFT({
          recipient: recipient_address,
          contractAddress: product.collection_address,
          tokenId,
          metadata: await getMetadata(product.product_id),
        });
      }
    }
    
    // Update order status
    await updateOrderStatus(reference, 'completed');
    
    res.json({ reference, confirmed: true });
  } catch (error) {
    res.json({ reference, confirmed: false, reason: error.message });
  }
});

app.post('/expired', async (req, res) => {
  const { reference, products } = req.body;
  
  // Release reserved inventory
  await releaseInventory(reference, products);
  
  // Update order status
  await updateOrderStatus(reference, 'expired');
  
  res.json({ reference, expired: true });
});