// Utility to compute Midtrans webhook signature: sha512(order_id + status_code + gross_amount + server_key)
const crypto = require('crypto')

function main() {
  const [orderId, statusCode, grossAmount, serverKey] = process.argv.slice(2)
  if (!orderId || !statusCode || !grossAmount || !serverKey) {
    console.error('Usage: node scripts/midtrans-sig.js <order_id> <status_code> <gross_amount> <server_key>')
    process.exit(1)
  }
  const raw = String(orderId) + String(statusCode) + String(grossAmount) + String(serverKey)
  const sig = crypto.createHash('sha512').update(raw).digest('hex')
  process.stdout.write(sig)
}

main()