commerce/app/checkout/page.tsx

'use client';

import { Accordion, AccordionItem, Checkbox } from '@nextui-org/react';
import { useCart } from 'components/cart/cart-context';
import CartItemView from 'components/cart/cart-item';
import Price from 'components/price';
import ShippingForm from 'components/shipping/form';
import { OrderPayload } from 'lib/woocomerce/storeApi';
import { useRouter } from 'next/navigation';
import { useState } from 'react';
import { z } from 'zod';

const shippingSchema = z.object({
  first_name: z.string().min(3),
  last_name: z.string().min(3),
  address_1: z.string().min(3),
  address_2: z.string().optional(),
  city: z.string().min(3),
  state: z.string().min(3),
  postcode: z.string().min(3),
  country: z.string().min(3)
});

export default function CheckoutPage() {
  const { cart } = useCart();
  const router = useRouter();

  const initialState: OrderPayload = {
    shipping_address: {
      first_name: '',
      last_name: '',
      company: '',
      address_1: '',
      address_2: '',
      city: '',
      state: '',
      postcode: '',
      country: ''
    },
    billing_address: {
      first_name: '',
      last_name: '',
      company: '',
      email: '',
      phone: '',
      address_1: '',
      address_2: '',
      city: '',
      state: '',
      postcode: '',
      country: ''
    },
    payment_method: '',
    payment_data: []
  };
  const [formData, setFormData] = useState(initialState);
  const [sameBilling, setSameBilling] = useState(true);
  const handleChangeShipping = (e: any) => {
    setFormData(e);
  };

  const handleChangeBilling = (e: any) => {
    setFormData(e);
  };

  return (
    <section className="mx-auto grid h-full gap-4 px-4 pb-4">
      <p>Checkout</p>
      <form
        action={() => {
          try {
            console.log(formData);
            shippingSchema.parse(formData.shipping_address);
          } catch (error) {
            console.log(error);
          }
        }}
        className="rounded-lg border border-neutral-200 bg-white p-4 dark:border-neutral-800 dark:bg-black"
      >
        <div className="flew-row col-span-4 row-span-2 flex">
          <Accordion defaultExpandedKeys={['1']} className="text-white md:w-2/3">
            <AccordionItem key="1" title="Shipping Info" className="text-white">
              <ShippingForm handleChangeAction={handleChangeShipping} />
              <Checkbox onValueChange={(v) => setSameBilling(v)} className="mt-2">
                Use same address for billing?
              </Checkbox>
            </AccordionItem>
            <AccordionItem key="2" title="Billing Info" className="text-white">
              <ShippingForm handleChangeAction={handleChangeBilling} />
            </AccordionItem>
            <AccordionItem key="3" title="Payment" className="text-white">
              <div className="flex flex-col justify-between overflow-hidden p-1">
                <h2 className="mt-2 text-2xl font-bold">Payment</h2>
              </div>
            </AccordionItem>
          </Accordion>

          {cart && (
            <div className="ms-4 flex flex-col justify-between overflow-hidden md:w-1/3">
              <ul className="flex-grow overflow-auto">
                {cart.items?.length &&
                  cart.items
                    .sort((a, b) => a.name.localeCompare(b.name))
                    .map((item, i) => {
                      return (
                        <li
                          key={i}
                          className="flex w-full flex-col border-b border-neutral-300 dark:border-neutral-700"
                        >
                          <CartItemView item={item} />
                        </li>
                      );
                    })}
              </ul>
              <div className="mb-3 flex items-center justify-between pb-4 pt-4 dark:border-neutral-700">
                <p>Total</p>
                <Price
                  className="text-right text-base text-black dark:text-white"
                  amount={cart?.totals?.total_price}
                  needSplit
                  currencyCode={cart?.totals.currency_code}
                />
              </div>
            </div>
          )}
        </div>
        <div className="flex justify-center gap-4">
          <button className="rounded-md bg-indigo-500 p-2 text-white" onClick={() => router.back()}>
            Back
          </button>
          <button type="submit" className="rounded-md bg-indigo-500 p-2 text-white">
            Next
          </button>
        </div>
      </form>
    </section>
  );
}