// Your Niftipay API key — find it in Dashboard → Account → Settings
const API_KEY = "YOUR_API_KEY";

// Base URL of your Niftipay instance (no trailing slash)
const BASE_URL = "https://your-domain.com";

async function apiRequest(method, path, body) {
  const url = `${BASE_URL}${path}`;

  const response = await fetch(url, {
    method,
    headers: {
      // Authenticate every request with your API key
      "x-api-key": API_KEY,
      // All request and response bodies are JSON
      "Content-Type": "application/json",
      Accept: "application/json",
    },
    body: body ? JSON.stringify(body) : undefined,
  });

  // Parse the JSON response
  const data = await response.json();

  // If the request failed, throw with the status and error details
  if (!response.ok) {
    throw new Error(
      `API ${response.status}: ${JSON.stringify(data, null, 2)}`
    );
  }

  return data;
}

async function createCryptoOrder() {
  console.log("━━━ Example 1: Create Crypto Invoice Order ━━━\n");

  const order = await apiRequest("POST", "/api/orders", {
    // ── Required fields ──────────────────────────

    // Blockchain network to receive payment on
    // Accepted values: "BTC" | "LTC" | "ETH" | "SOL" | "XRP"
    network: "ETH",

    // Crypto asset the customer will pay with
    // Native coins: "BTC", "LTC", "ETH", "SOL", "XRP"
    // ERC-20 tokens (ETH network only): "USDT", "USDC"
    asset: "USDT",

    // Invoice amount in fiat (the amount you want to charge)
    // The API converts this to the equivalent crypto amount automatically
    amount: 50,

    // Customer details — used for tracking and email notifications
    firstName: "Jane",
    lastName: "Doe",
    email: "jane.doe@example.com",

    // ── Optional fields ──────────────────────────

    // Fiat currency for the invoice amount (defaults to "EUR")
    // This determines what currency the `amount` field is in
    currency: "EUR",

    // Your own unique reference for this order (e.g. your internal order ID)
    // If omitted, the API generates a UUID automatically
    // Must be unique per user — duplicates return a 409 conflict error
    reference: "MY-ORDER-001",
  });

  // ── Reading the response ──────────────────────

  console.log("Order created successfully!\n");

  // Unique order ID on Niftipay's side
  console.log("  Order ID:        ", order.order.id);

  // Your reference (or the auto-generated UUID)
  console.log("  Reference:       ", order.order.reference);

  // The blockchain deposit address — customer sends crypto here
  console.log("  Deposit address: ", order.order.address);

  // For XRP only: the destination tag the customer must include
  if (order.order.destinationTag) {
    console.log("  Destination tag: ", order.order.destinationTag);
  }

  // Total crypto amount the customer needs to send (amount + network fees)
  console.log("  Total to send:   ", order.order.totalToSend, order.order.asset);

  // A ready-to-use payment URI (e.g. "ethereum:<address>?amount=...")
  // You can embed this in a link or button so wallets open directly
  console.log("  Payment URI:     ", order.order.paymentUri);

  // URL to a QR code image — display this so the customer can scan & pay
  console.log("  QR code URL:     ", order.order.qrUrl);

  // Order status — starts as "pending", becomes "paid" after payment
  console.log("  Status:          ", order.order.status);

  // When the invoice expires (customer must pay before this time)
  console.log("  Expires at:      ", order.order.expiresAt);

  console.log();
  return order;
}

async function createOnrampingOrder() {
  console.log("━━━ Example 2: Create Onramping Pay-Link ━━━\n");

  const result = await apiRequest("POST", "/api/ramping/links", {
    // ── Required fields ──────────────────────────

    // Customer details — used for the checkout flow and KYC verification
    firstName: "John",
    lastName: "Smith",
    email: "john.smith@example.com",

    // The net fiat amount you (the merchant) want to receive
    // The onramp provider may add its own fees on top for the customer
    fiatAmount: 100,

    // ── Optional fields ──────────────────────────

    // Blockchain network for the crypto purchase
    // Accepted values: "BTC" | "LTC" | "ETH" | "SOL" | "XRP"
    // If omitted, falls back to your saved default in dashboard settings
    network: "ETH",

    // Crypto asset to purchase
    // Native coins: "BTC", "LTC", "ETH", "SOL", "XRP"
    // ERC-20 tokens (ETH network only): "USDT", "USDC"
    // If omitted, falls back to your saved default in dashboard settings
    asset: "USDT",

    // Fiat currency the customer will pay in (defaults to "EUR")
    // Supported: USD, EUR, GBP, AUD, AED, BRL, CAD, CHF, CZK, DKK,
    //            HKD, IDR, INR, JPY, MXN, NOK, NZD, PHP, PLN, QAR,
    //            RON, SAR, SEK, SGD, THB, TRY, TWD, VND, ZAR
    fiatCurrency: "EUR",

    // Your own unique reference for this order
    // If omitted, the API generates one automatically
    reference: "RAMP-ORDER-001",

    // Optional: preferred onramp provider
    // If omitted, the API auto-selects the best provider based on
    // the customer's geolocation
    // provider: "banxa",
  });

  // ── Reading the response ──────────────────────

  console.log("Onramping pay-link created successfully!\n");

  // *** This is the most important field ***
  // Redirect your customer to this URL to start the checkout
  console.log("  Checkout URL:    ", result.url);

  // The signed token embedded in the URL (for verification)
  console.log("  Token:           ", result.token);

  console.log("\n  ── Underlying crypto invoice ──");

  // The crypto invoice created behind the scenes
  console.log("  Order ID:        ", result.order.id);
  console.log("  Reference:       ", result.order.reference);
  console.log("  Deposit address: ", result.order.depositAddress);
  console.log("  Crypto amount:   ", result.order.amountCrypto, result.order.asset);
  console.log("  Fiat amount:     ", result.order.fiatAmount, result.order.fiatCurrency);
  console.log("  Status:          ", result.order.status);
  console.log("  Expires at:      ", result.order.expiresAt);

  console.log("\n  ── Pay-link details ──");

  // Additional details about the pay-link and fee breakdown
  console.log("  Fiat (net):      ", result.link.fiatAmountNet);
  console.log("  Fiat (gross):    ", result.link.fiatAmountGross);
  console.log("  Fee percent:     ", result.link.feePercent);
  console.log("  Provider hint:   ", result.link.providerHint || "auto-selected");
  console.log("  Link expires at: ", result.link.expiresAt);

  console.log();
  return result;
}

async function createFiatOrder() {
  console.log("━━━ Example 3: Create Fiat Payment Order ━━━\n");

  const result = await apiRequest("POST", "/api/fiat/orders", {
    // ── Required fields ──────────────────────────

    // Your fiat integration ID — find it in Dashboard → Settings → Fiat
    integrationId: "YOUR_INTEGRATION_ID",

    // Fiat currency for the payment (ISO 4217 code)
    // Supported: EUR, USD, GBP, AUD, AED, BRL, CAD, CHF, CZK, DKK,
    //            HKD, IDR, INR, JPY, MXN, NOK, NZD, PHP, PLN, QAR,
    //            RON, SAR, SEK, SGD, THB, TRY, TWD, VND, ZAR
    currency: "EUR",

    // ── Amount (provide ONE of the following) ────

    // Option A: Amount in major units (e.g. 19.95 means €19.95)
    amount: 19.95,

    // Option B: Amount in minor units / cents (e.g. 1995 means €19.95)
    // amountCents: 1995,

    // ── Optional fields ──────────────────────────

    // A short description shown on the payment page
    description: "Widget purchase",

    // Your own unique reference for this order (max 80 characters)
    // If omitted, the API generates one automatically
    // Must be unique per user — duplicates return a 409 conflict error
    reference: "FIAT-ORDER-001",

    // Who pays the service/processing fee: "customer" or "merchant"
    // If omitted, falls back to your default setting in dashboard
    serviceFeePayer: "customer",

    // Customer email — used for receipts and CRM tracking
    email: "jane.doe@example.com",
  });

  // ── Reading the response ──────────────────────

  console.log("Fiat order created successfully!\n");

  // *** This is the most important field ***
  // Redirect your customer to this URL to complete the payment
  console.log("  Payment URL:     ", result.order.payUrl);

  // Unique order ID on Niftipay's side
  console.log("  Order ID:        ", result.order.id);

  // Your reference (or the auto-generated one)
  console.log("  Reference:       ", result.reference);

  // Order status — starts as "new", becomes "completed" after payment
  console.log("  Status:          ", result.order.status);

  // QR code URL — display so the customer can scan to open the payment page
  console.log("  QR code URL:     ", result.qrUrl);

  console.log("\n  ── Pricing breakdown ──");

  // The subtotal (your requested amount)
  console.log("  Subtotal:        ", result.display.subtotal, result.display.currency);

  // The service/processing fee
  console.log("  Service fee:     ", result.display.serviceFee, result.display.currency);

  // The total the customer will be charged (if customer pays fee)
  // or the total you receive after deduction (if merchant pays fee)
  console.log("  Total:           ", result.display.total, result.display.currency);

  // Who is paying the fee
  console.log("  Fee paid by:     ", result.pricing.payer);

  // Detailed fee breakdown
  if (result.pricing.serviceFeeBreakdown) {
    console.log("  Fee percent:     ", result.pricing.serviceFeeBreakdown.totalPercent + "%");
  }

  // When the order expires (12 hours from creation)
  console.log("  Expires at:      ", result.expiresAt);

  console.log();
  return result;
}

async function main() {
  try {
    await createCryptoOrder();
    await createOnrampingOrder();
    await createFiatOrder();

    console.log("All examples completed successfully.");
  } catch (error) {
    console.error("Error:", error.message);
    process.exit(1);
  }
}

main();