import { WebhookVerifier, WEBHOOK_SIGNATURE_HEADER } from "@afriex/webhooks";

const verifier = new WebhookVerifier(
  "-----BEGIN PUBLIC KEY-----\n...\n-----END PUBLIC KEY-----"
);

// Verify a webhook signature
const isValid = verifier.verify(payload, signature);

// Verify and parse webhook payload (throws if invalid)
const event = verifier.verifyAndParse(payload, signature);
console.log("Event type:", event.event);
console.log("Event data:", event.data);

import express from "express";
import { WebhookVerifier, WEBHOOK_SIGNATURE_HEADER } from "@afriex/webhooks";

const app = express();
const verifier = new WebhookVerifier(process.env.AFRIEX_WEBHOOK_PUBLIC_KEY!);

app.post(
  "/webhooks/afriex",
  express.raw({ type: "application/json" }),
  (req, res) => {
    const signature = req.headers[WEBHOOK_SIGNATURE_HEADER] as string;
    const payload = req.body.toString();

    try {
      const event = verifier.verifyAndParse(payload, signature);

      switch (event.event) {
        case "TRANSACTION.CREATED":
        case "TRANSACTION.UPDATED":
          // Handle transaction events
          break;
        case "CUSTOMER.CREATED":
        case "CUSTOMER.UPDATED":
        case "CUSTOMER.DELETED":
          // Handle customer events
          break;
        case "PAYMENT_METHOD.CREATED":
        case "PAYMENT_METHOD.UPDATED":
        case "PAYMENT_METHOD.DELETED":
          // Handle payment method events
          break;
        case "CHECKOUT_SESSION.CREATED":
          // Handle checkout session events
          break;
      }

      res.status(200).send("OK");
    } catch (error) {
      res.status(401).send("Invalid signature");
    }
  }
);