const stripe = require('stripe')(process.env.STRIPE_API_SECRET_TEST)
const validateCartItems =
  require('use-shopping-cart/utilities').validateCartItems
const pricing = require("../../data/pricing.json");

export default async function handler(req, res) {
  const {
    query: { cart },
    method,
  } = req;

  let cartItems;
  try {
    cartItems = req.body;
  } catch (error) {
    console.log(error);
    res.status(400).json({ message: "Invalid cart data provided in request body.", error: error.message });
    return;
  }

  const getPrice = (productCode) => {
    return pricing[productCode];
  }

  let inventory = [];

  for (const index in cartItems) {
    const cartItem = cartItems[index];
    inventory.push(cartItem);
  }

  let line_items;
  try {
    line_items = validateCartItems(inventory, cartItems);
  } catch (error) {
    res.status(422).json({ message: "Some of the items in your cart are invalid.", error: error.message });
    return;
  }

  let session;
  try {
    session = await stripe.checkout.sessions.create({
      payment_method_types: ["card"],
      billing_address_collection: "auto",
      shipping_address_collection: {
        allowed_countries: ["US", "CA", "GB"]
      },
      mode: "payment",
      success_url: `${process.env.NEXT_PUBLIC_URL}?success=true`,
      cancel_url: `${process.env.NEXT_PUBLIC_URL}?cancel=true`,
      line_items
    });
  } catch (error) {
    res.status(500).json({ message: "Error encountered while communicating with Stripe.", error: error.message });
    return;
  }

  console.log("Session id: ", session.id);

  res.status(200).json({ sessionId: session.id });
}