I don’t know how to fix this problem. Someone please help me !

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router.post("/create-payment-intent", async (req, res) => {
  const { items, user_id } = req.body;
  const customer = await stripe.customers.create();
  const ephemeralKey = await stripe.ephemeralKeys.create(
    { customer: customer.id },
    { apiVersion: '2024-04-10' }
  );
  try {
    const paymentIntent = await stripe.paymentIntents.create({
      amount: 1099,
      currency: 'usd',
      confirm: true,
      payment_method: 'pm_card_visa',
      payment_method_types: ['card'],
    });

    const response = {
      paymentIntent: paymentIntent.client_secret,
      ephemeralKey: ephemeralKey.secret,
      customer: customer.id,
      publishableKey: 'pk_test_51PA9vlRsfm3Ucs22ixDUZ8mt2Ki9E7WR4tSil67ONZD4dptsAwjVZ0J2IFNEEf0iHQhDNEaTT87f6mTD9dnY1lAW00TQcuO9MO'
    };

    return res.json(response);
  } catch (error) {
    console.error(error);
    return res.status(500).json({ error: 'An error occurred while creating Payment Intent' });
  }
});

My coding very very bad, i don’t know how to fix that.
I know my code is wrong somewhere in here or missing a lot of things. I can identify what error I am facing but I can’t fix it because I am not good at coding and this is my graduation project. I hope someone will help me and code for me to be able to fix the error! Please!