import { forwardToCms } from "~/server/utils/cmsApi";
import { invalidOrderUpdate, pickCustomerUpdate } from "~/server/utils/customerUpdate";

export default defineEventHandler(async (event) => {
	const uuid = getRouterParam(event, "uuid");
	if (!uuid) {
		throw createError({ statusCode: 400, statusMessage: "Missing order UUID" });
	}

	// Only the fields of the checkout's steps reach the CMS, which checks their values. Any other field is answered 400 here.
	const update = pickCustomerUpdate(await readBody(event));
	if (update.ok === false) {
		throw createError(invalidOrderUpdate(update.errors));
	}

	return await forwardToCms(`/orders/${uuid}/cart`, {
		method: "PUT",
		body: { data: update.data }
	});
});