Airtime

curl -X GET \
  -H "Authorization: Bearer sk_live_your_secret_key" \
  "https://my.rizpay.app/api/partners/v1/products/airtimes?network=MTN"

{
  "status": { "code": 200, "message": "Success" },
  "data": [
    {
      "id": "prd_mtn_airtime",
      "name": "MTN Airtime",
      "type": "airtime",
      "network": "MTN",
      "min_amount": "50.00",
      "max_amount": "50000.00",
      "fee": "0.00"
    }
  ]
}

curl -X POST \
  -H "Authorization: Bearer sk_live_your_secret_key" \
  -H "Content-Type: application/json" \
  -d '{
    "product_id": "prd_mtn_airtime",
    "phone_number": "08012345678",
    "amount": "500.00",
    "external_reference": "1736234400B2C3D4"
  }' \
  https://my.rizpay.app/api/partners/v1/purchases

{
  "status": { "code": 201, "message": "Purchase created" },
  "data": {
    "id": "txn_abc123",
    "reference": "airtime-order-001",
    "product_id": "prd_mtn_airtime",
    "amount": "500.00",
    "fee": "0.00",
    "total": "500.00",
    "status": "pending",
    "phone_number": "08012345678",
    "created_at": "2024-01-15T10:30:00Z"
  }
}

curl -X GET \
  -H "Authorization: Bearer sk_live_your_secret_key" \
  "https://my.rizpay.app/api/partners/v1/purchases/txn_abc123"

{
  "status": { "code": 200, "message": "Success" },
  "data": {
    "id": "txn_abc123",
    "reference": "airtime-order-001",
    "status": "successful",
    "amount": "500.00",
    "phone_number": "08012345678",
    "completed_at": "2024-01-15T10:30:02Z"
  }
}

// Generate external reference: 10-digit timestamp + 6 alphanumeric
function generateReference() {
  const timestamp = Math.floor(Date.now() / 1000);
  const chars =
    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
  let suffix = "";
  for (let i = 0; i < 6; i++) {
    suffix += chars.charAt(Math.floor(Math.random() * chars.length));
  }
  return `${timestamp}${suffix}`;
}

async function purchaseAirtime(network, phoneNumber, amount) {
  const API_KEY = "sk_live_your_secret_key";
  const BASE_URL = "https://my.rizpay.app/api/partners/v1";

  // Step 1: Find the product
  const productsRes = await fetch(
    `${BASE_URL}/products/airtimes?network=${network}`,
    { headers: { Authorization: `Bearer ${API_KEY}` } }
  );
  const products = await productsRes.json();
  const product = products.data[0];

  // Validate amount
  if (parseFloat(amount) < parseFloat(product.min_amount)) {
    throw new Error(`Minimum amount is ${product.min_amount}`);
  }
  if (parseFloat(amount) > parseFloat(product.max_amount)) {
    throw new Error(`Maximum amount is ${product.max_amount}`);
  }

  // Step 2: Make purchase
  const purchaseRes = await fetch(`${BASE_URL}/purchases`, {
    method: "POST",
    headers: {
      Authorization: `Bearer ${API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      product_id: product.id,
      phone_number: phoneNumber,
      amount: amount,
      external_reference: generateReference(),
    }),
  });

  return await purchaseRes.json();
}

// Usage
purchaseAirtime("MTN", "08012345678", "1000.00")
  .then((result) => console.log(result))
  .catch((error) => console.error(error));