import axios from 'axios';
import cookie from 'cookie';
import dynamic from 'next/dynamic';
import { useRouter } from 'next/router';
import { useEffect } from 'react';

import { useProductContext } from '@/contexts/ProductContext';
import Seo from '@/core/components/Seo';
import LogoSpinner from '@/core/components/elements/Spinner/LogoSpinner';
import { getIdFromSlug } from '@/core/utils/slug';
import PageNotFound from '@/pages/404';

const BasicLayout = dynamic(() =>
  import('@/core/components/layouts/BasicLayout')
);
const Product = dynamic(() =>
  import('@/lib/product/components/Product/Product')
);

export async function getServerSideProps(context) {
  const { slug } = context.query;
  const cookies = context.req.headers.cookie;
  const cookieObj = cookies ? cookie.parse(cookies) : {};
  const auth = cookieObj.auth ? JSON.parse(cookieObj.auth) : {};
  const tier = auth.pricelist ? auth.pricelist : false;
  const authToken = auth?.token || '';

  try {
    const response = await axios(
      `${process.env.NEXT_PUBLIC_SELF_HOST}/api/shop/variant-detail?id=` +
        getIdFromSlug(slug) +
        '&auth=' +
        tier
    );

    let product = response.data;

    if (product?.length == 1) {
      product = product[0];
    } else {
      product = null;
    }

    return {
      props: { product },
    };
  } catch (error) {
    // kalau status 500 → tampilkan halaman 404
    if (error.response && error.response.status === 500) {
      return { notFound: true };
    }

    // kalau 404 dari API juga langsung 404
    if (error.response && error.response.status === 404) {
      return { notFound: true };
    }

    // kalau error lain, lempar agar bisa dilihat di console log server
    throw error;
  }
}

export default function ProductDetail({ product }) {
  const router = useRouter();

  const { setProduct } = useProductContext();

  useEffect(() => {
    if (product) {
      setProduct(product);
    }
  }, [product, setProduct]);

  if (!product) return <PageNotFound />;

  return (
    <BasicLayout>
      <Seo
        title={product?.name || '' + ' - Indoteknik.com' || ''}
        description='Temukan pilihan produk B2B Industri &amp; Alat Teknik untuk Perusahaan, UMKM &amp; Pemerintah dengan lengkap, mudah dan transparan.'
        noindex={true}
        nofollow={true}
        openGraph={{
          url: process.env.NEXT_PUBLIC_SELF_HOST + router.asPath,
          images: [
            {
              url: product?.image,
              width: 800,
              height: 800,
              alt: product?.name,
            },
          ],
          type: 'product',
        }}
        additionalMetaTags={[
          {
            name: 'keywords',
            content: `${product?.name}, Harga ${product?.name}, Beli ${product?.name}, Spesifikasi ${product?.name}`,
          },
        ]}
      />
      {!product && (
        <div className='container mx-auto flex justify-center pt-10'>
          <LogoSpinner width={36} height={36} />
        </div>
      )}
      {product && <Product product={product} isVariant={true} />}
    </BasicLayout>
  );
}