ApplyCouponToCart

import "./extended";
import { getNormalizers } from "@alokai/connect/integration-kit";
import { HttpStatusCode } from "@alokai/connect/middleware";

import { defineApi, getCartId } from "@vsf-enterprise/unified-api-sapcc";

export const applyCouponToCart = defineApi.applyCouponToCart(async (context, args) => {
  const { api } = await context.getApiClient();
  const cartId = args.cartId ?? getCartId(context);
  const { couponCode } = args;
  const { normalizeCart } = getNormalizers(context);

  if (!couponCode) {
    throw context.createHttpError({
      message: "The provided coupon code is empty and cannot be applied.",
      statusCode: HttpStatusCode.BAD_REQUEST,
    });
  }

  await api.doApplyCartVoucher({
    cartId: cartId,
    voucherId: couponCode,
  });

  const { data: updatedCart } = await api.getCart({ cartId });

  return normalizeCart(updatedCart);
});