GetCart

import type { Basket } from "@vsf-enterprise/sfcc-types";
import { assertAuthorized, defineApi } from "@vsf-enterprise/unified-api-sfcc";
import { getNormalizedCart } from "@vsf-enterprise/unified-api-sfcc";
import { BasketCreateParams } from "@vsf-enterprise/sfcc-types";
import from "@vsf-enterprise/unified-api-sfcc/udl";

declare module "@vsf-enterprise/unified-api-sfcc" {
  interface GetCartExtendedArgs {
    /**
     * The additional cart object fields to be included when a new cart is created.
     * {@link https://developer.salesforce.com/docs/commerce/commerce-api/references/shopper-baskets?meta=createBasket SFCC method reference}
     */
    createCart?: Omit<BasketCreateParams, "customerInfo">;
  }
}


export const getCart = defineApi.getCart(async (context, args) => {
  let cart: Basket | undefined = await context.api
    .getBasket({ basketId: args?.cartId })
    .catch((err) => {
      if (typeof err === "string" && err.includes("Basket Not Found")) {
        return undefined;
      }
      throw err;
    });

  if (!cart) {
    const customer = await assertAuthorized(context, { silent: true });
    cart = await context.api.createBasket({
      ...(customer?.email && { customerInfo: { email: customer.email } }),
    });
  }

  return await getNormalizedCart(context, cart);
});