index.js

const express = require("express");
const cors = require("cors");
const dotenv = require("dotenv");
dotenv.config();
const stripe = require("stripe")(process.env.STRIPE_KEY);

const PORT = 5000;

const app = express();
app.use(cors({ origin: true }));

app.use(express.json());

app.get("/", (req, res) => {
  res.status(200).json({
    message: "Success",
  });
});

app.post("/payment/create", async (req, res) => {
  const total = parseInt(req.query.total);
  if (total > 0) {
    const paymentIntent = await stripe.paymentIntents.create({
      amount: total,
      currency: "usd",
    });
    res.status(201).json({
      clientSecret: paymentIntent.client_secret,
    });
  } else {
    res.status(403).json({
      message: "total must be greater than 0",
    });
  }
});

app.listen(PORT, (error) => {
  if (error) {
    console.error(error.message);
  } else {
    console.log(" =>  Server Running successfully");
  }
});