Generate QR Codes for Offline Marketing

curl -X POST https://api.sniplink.co/v1/links/{linkId}/qr \
  -H "X-API-Key: snip_live_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "linkId": "lnk_abc123",
    "format": "png",
    "size": 1024,
    "errorCorrection": "H",
    "foregroundColor": "#10b981",
    "backgroundColor": "#ffffff"
  }'

const response = await fetch(
  `https://api.sniplink.co/v1/links/${linkId}/qr`,
  {
    method: 'POST',
    headers: {
      'X-API-Key': process.env.SNIPLINK_API_KEY!,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      linkId,
      format: 'png',
      size: 1024,
      errorCorrection: 'H', // High error correction for logo
      foregroundColor: '#10b981', // Brand green
      backgroundColor: '#ffffff',
      logoUrl: 'https://yourbrand.com/logo.png',
      logoSize: 20, // 20% of QR code size
    }),
  }
);

const { data } = await response.json();
console.log('QR Code URL:', data.publicUrl);

// batch-generate-qr-codes.ts
import fs from 'fs';
import { parse } from 'csv-parse/sync';

const API_BASE = 'https://api.sniplink.co/v1';
const API_KEY = process.env.SNIPLINK_API_KEY!;

interface Product {
  linkId: string;
  productName: string;
  productSKU: string;
}

async function generateQRCode(linkId: string) {
  const response = await fetch(`${API_BASE}/links/${linkId}/qr`, {
    method: 'POST',
    headers: {
      'X-API-Key': API_KEY,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      linkId,
      format: 'pdf', // PDF for professional printing
      size: 2048,    // High resolution
      errorCorrection: 'H',
      foregroundColor: '#000000',
      backgroundColor: '#ffffff',
    }),
  });

  if (!response.ok) {
    const error = await response.json();
    throw new Error(error.error?.message || 'Failed to generate QR code');
  }

  return response.json();
}

async function downloadQRCode(qrCodeId: string, filename: string) {
  const response = await fetch(`${API_BASE}/qr/${qrCodeId}/download`, {
    headers: { 'X-API-Key': API_KEY },
  });

  const buffer = await response.arrayBuffer();
  fs.writeFileSync(`output/${filename}.pdf`, Buffer.from(buffer));
}

async function main() {
  // Read products from CSV
  const csvContent = fs.readFileSync('products.csv', 'utf-8');
  const products: Product[] = parse(csvContent, {
    columns: true,
    skip_empty_lines: true,
  });

  console.log(`🚀 Generating ${products.length} QR codes...\n`);

  // Create output directory
  if (!fs.existsSync('output')) {
    fs.mkdirSync('output');
  }

  for (const product of products) {
    try {
      // Generate QR code
      const { data } = await generateQRCode(product.linkId);

      // Download PDF
      await downloadQRCode(data.id, `${product.productSKU}-qr-code`);

      console.log(`✅ ${product.productName} (${product.productSKU})`);

      // Rate limiting: wait 1 second (Free tier: 10/hour, Pro: unlimited)
      await new Promise((resolve) => setTimeout(resolve, 1000));
    } catch (error) {
      console.error(`❌ ${product.productName}: ${error.message}`);
    }
  }

  console.log(`\n✨ Done! QR codes saved to output/ directory`);
}

main();

linkId,productName,productSKU
lnk_abc123,Outdoor Tent Pro,TENT-001
lnk_def456,Camping Backpack,PACK-002
lnk_ghi789,Portable Stove,STOVE-003

// Get QR code analytics
const response = await fetch(
  `https://api.sniplink.co/v1/qr/${qrCodeId}/analytics?days=30`,
  {
    headers: { 'X-API-Key': API_KEY },
  }
);

const { data } = await response.json();

console.log('QR Code Performance:');
console.log(`  Total Scans: ${data.totalScans}`);
console.log(`  Unique Scans: ${data.uniqueScans}`);
console.log(`  Scan Rate: ${((data.uniqueScans / data.totalScans) * 100).toFixed(1)}%`);
console.log(`\nTop Locations:`);
data.scansByCountry.slice(0, 5).forEach((country: any) => {
  console.log(`  ${country.country}: ${country.scans} scans`);
});

// Update link destination after printing QR codes
await fetch(`https://api.sniplink.co/v1/links/${linkId}`, {
  method: 'PATCH',
  headers: {
    'X-API-Key': API_KEY,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    url: 'https://new-destination.com',
  }),
});

// QR codes already printed will now direct to new destination!