import * as React from 'react';
import crypto from 'crypto-es';
import { NostoSession as NostoComponent } from "@nosto/nosto-react";
import { useHydrogenRootFallback } from '../lib/useHydrogenRootFallback';
import { Await, useAsyncValue } from 'react-router';
// Polyfill Array.prototype.at for older browsers:
if (!Array.prototype.at) {
    Object.defineProperty(Array.prototype, 'at', {
        value: function (index) {
            return index >= 0 ? this[index] : this[this.length + index];
        },
        enumerable: false, configurable: true, writable: true,
    });
}
function AsyncSessionWrapper() {
    const { customer: customerData = {}, cart: shopifyCart, storeDomain } = useAsyncValue() || {};
    const customerId = customerData?.id?.split('/')?.at(-1);
    const customer_reference = customerId && storeDomain ? crypto.SHA256(customerId + storeDomain).toString() : undefined;
    const customer = {
        customer_reference,
        first_name: customerData?.firstName || undefined,
        last_name: customerData?.lastName || undefined,
        email: customerData?.email || undefined,
        newsletter: customerData?.acceptsMarketing ?? undefined,
    };
    const items = shopifyCart?.lines?.edges?.map((e) => e.node);
    const nostoCart = items?.map((item) => ({
        product_id: item?.merchandise?.product?.id.split('/')?.at(-1),
        name: item?.merchandise?.product?.title,
        sku_id: item?.merchandise?.id?.split('/')?.at(-1),
        quantity: item?.quantity,
        unit_price: item?.merchandise?.price?.amount ?? 0,
        price_currency_code: item?.merchandise?.price?.currencyCode,
    }));
    const cart = nostoCart ? { items: nostoCart } : undefined;
    return <NostoComponent customer={customer} cart={cart}/>;
}
export function NostoSession() {
    const root = useHydrogenRootFallback();
    const nostoPromise = root?.nostoSessionData;
    return (<Await resolve={nostoPromise}>
      <AsyncSessionWrapper />
    </Await>);
}