import { Box, Skeleton, Tooltip } from '@chakra-ui/react';
import { HeartIcon } from '@heroicons/react/24/outline';
import { Info } from 'lucide-react';
import { useRouter } from 'next/router';
import { useCallback, useEffect, useRef, useState } from 'react';
import { toast } from 'react-hot-toast';
import LazyLoad from 'react-lazy-load';

import { useProductCartContext } from '@/contexts/ProductCartContext';
import odooApi from '@/core/api/odooApi';
import Image from '@/core/components/elements/Image/Image';
import Link from '@/core/components/elements/Link/Link';
import BottomPopup from '@/core/components/elements/Popup/BottomPopup';
import DesktopView from '@/core/components/views/DesktopView';
import useAuth from '@/core/hooks/useAuth';
import { updateItemCart } from '@/core/utils/cart';
import currencyFormat from '@/core/utils/currencyFormat';
import { createSlug } from '@/core/utils/slug';
import whatsappUrl from '@/core/utils/whatsappUrl';

import productSimilarApi from '../../api/productSimilarApi';
import ProductCard from '../ProductCard';
import ProductSimilar from '../ProductSimilar';

const ProductDesktopVariant = ({
  product,
  wishlist,
  toggleWishlist,
  isVariant,
}) => {
  const router = useRouter();
  const auth = useAuth();
  const { slug } = router.query;

  const [lowestPrice, setLowestPrice] = useState(null);

  const [addCartAlert, setAddCartAlert] = useState(false);
  const [isLoadingSLA, setIsLoadingSLA] = useState(true);

  const { setRefreshCart } = useProductCartContext();

  const getLowestPrice = useCallback(() => {
    const lowest = product.price;
    /* const lowest = prices.reduce((lowest, price) => {
      return price.priceDiscount < lowest.priceDiscount ? price : lowest
    }, prices[0])*/
    return lowest;
  }, [product]);

  useEffect(() => {
    const lowest = getLowestPrice();
    setLowestPrice(lowest);
  }, [getLowestPrice]);

  const [informationTab, setInformationTab] = useState(
    informationTabOptions[0].value
  );

  const variantQuantityRefs = useRef([]);

  const setVariantQuantityRef = (variantId) => (element) => {
    variantQuantityRefs.current[variantId] = element;
  };

  const validQuantity = (quantity) => {
    let isValid = true;
    if (!quantity || quantity < 1 || isNaN(parseInt(quantity))) {
      toast.error('Jumlah barang minimal 1');
      isValid = false;
    }
    return isValid;
  };

  const handleAddToCart = (variant) => {
    if (!auth) {
      router.push(`/login?next=/shop/product/${slug}`);
      return;
    }
    const quantity = variantQuantityRefs.current[product.id].value;
    if (!validQuantity(quantity)) return;
    updateItemCart({
      productId: product.id,
      quantity,
      programLineId: null,
      selected: true,
      source: null,
    }).then(() => {
      setRefreshCart(true);
    });
    setAddCartAlert(true);
  };

  const handleBuy = (variant) => {
    const quantity = variantQuantityRefs.current[product.id].value;
    if (!validQuantity(quantity)) return;

    updateItemCart({
      productId: variant,
      quantity,
      programLineId: null,
      selected: true,
      source: 'buy',
    });
    router.push(`/shop/checkout?source=buy`);
  };

  const variantSectionRef = useRef(null);
  const goToVariantSection = () => {
    if (variantSectionRef.current) {
      const position = variantSectionRef.current.getBoundingClientRect();
      window.scrollTo({
        top: position.top - 120 + window.pageYOffset,
        behavior: 'smooth',
      });
    }
  };

  const productSimilarQuery = [
    product?.name,
    `fq=-product_id_i:${product.id}`,
    `fq=-manufacture_id_i:${product.manufacture?.id || 0}`,
  ].join('&');

  const [productSimilarInBrand, setProductSimilarInBrand] = useState(null);

  useEffect(() => {
    const loadProductSimilarInBrand = async () => {
      const productSimilarQuery = [
        product?.name,
        `fq=-product_id_i:${product.id}`,
      ].join('&');
      const dataProductSimilar = await productSimilarApi({
        query: productSimilarQuery,
      });
      setProductSimilarInBrand(dataProductSimilar.products);
    };
    if (!productSimilarInBrand) loadProductSimilarInBrand();
  }, [product, productSimilarInBrand]);

  useEffect(() => {
    const fetchData = async () => {
      const dataSLA = await odooApi(
        'GET',
        `/api/v1/product_variant/${product.id}/stock`
      );
      product.sla = dataSLA;

      setIsLoadingSLA(false);
    };
    fetchData();
  }, [product]);

  return (
    <DesktopView>
      <div className='container mx-auto pt-10'>
        <div className='flex'>
          <div className='w-full flex flex-wrap'>
            <div className='w-5/12'>
              <Image
                src={product.image + '?variant=True'}
                alt={product.name}
                className='h-[430px] object-contain object-center w-full border border-gray_r-4'
              />
            </div>

            <div className='w-7/12 px-4'>
              <h1 className='text-title-md leading-10 font-medium'>
                {product?.name}
              </h1>
              <div className='mt-10'>
                <div className='flex p-3'>
                  <div className='w-4/12 text-gray_r-12/70'>Nomor SKU</div>
                  <div className='w-8/12'>SKU-{product.id}</div>
                </div>
                <div className='flex p-3 bg-gray_r-4'>
                  <div className='w-4/12 text-gray_r-12/70'>Part Number</div>
                  <div className='w-8/12'>{product.code || '-'}</div>
                </div>
                <div className='flex p-3'>
                  <div className='w-4/12 text-gray_r-12/70'>Manufacture</div>
                  <div className='w-8/12'>
                    {product.manufacture?.name ? (
                      <Link
                        href={createSlug(
                          '/shop/brands/',
                          product.manufacture?.name,
                          product.manufacture?.id
                        )}
                      >
                        {product.manufacture?.name}
                      </Link>
                    ) : (
                      <div>-</div>
                    )}
                  </div>
                </div>

                <div className='flex p-3 items-center bg-gray_r-4'>
                  <div className='w-4/12 text-gray_r-12/70'>
                    Persiapan Barang
                  </div>
                  <div className='w-8/12'>
                    {!product?.sla && <Skeleton width='20%' height='16px' />}
                    {product?.sla && (
                      <Tooltip
                        placement='top'
                        label={`Masa Persiapan Barang ${product?.sla?.slaDate}`}
                      >
                        <Box className='w-fit flex items-center gap-x-2'>
                          {product?.sla?.slaDate}
                          <Info size={16} />
                        </Box>
                      </Tooltip>
                    )}
                  </div>
                </div>

                <div className='flex p-3'>
                  <div className='w-4/12 text-gray_r-12/70'>Stock</div>
                  <div className='w-8/12'>
                    {!product?.sla && <Skeleton width='10%' height='16px' />}
                    {product?.sla?.qty > 0 && <span>{product?.sla?.qty}</span>}
                    {product?.sla?.qty == 0 && (
                      <a
                        href={whatsappUrl('product', {
                          name: product.name,
                          manufacture: product?.manufacture?.name,
                          url: createSlug(
                            '/shop/product/',
                            product.name,
                            product.id,
                            true
                          ),
                        })}
                        className='text-danger-500 font-medium'
                      >
                        Tanya Admin
                      </a>
                    )}
                  </div>
                </div>
                <div className='flex p-3 bg-gray_r-4'>
                  <div className='w-4/12 text-gray_r-12/70'>Berat Barang</div>
                  <div className='w-8/12'>
                    {product?.weight > 0 && <span>{product?.weight} KG</span>}
                    {product?.weight == 0 && (
                      <a
                        href={whatsappUrl('productWeight', {
                          name: product.name,
                          url: createSlug(
                            '/shop/product/',
                            product.name,
                            product.id,
                            true
                          ),
                        })}
                        className='text-danger-500 font-medium'
                      >
                        Tanya Berat
                      </a>
                    )}
                  </div>
                </div>
              </div>
            </div>

            {/* <div className='w-full'>
              <div className='mt-12'>
                <div className='text-h-lg font-semibold'>Informasi Produk</div>
                <div className='flex gap-x-4 mt-6 mb-4'>
                  {informationTabOptions.map((option) => (
                    <TabButton
                      value={option.value}
                      key={option.value}
                      active={informationTab == option.value}
                      onClick={() => setInformationTab(option.value)}
                    >
                      {option.label}
                    </TabButton>
                  ))}
                </div>
                <div className='flex'>
                  <div className='w-3/4 leading-7 product__description'>
                    <TabContent active={informationTab == 'description'}>
                      <span
                        dangerouslySetInnerHTML={{
                          __html:
                            product.description != ''
                              ? product.description
                              : 'Belum ada deskripsi produk.'
                        }}
                      />
                    </TabContent>

                    <TabContent active={informationTab == 'information'}>
                      Belum ada informasi.
                    </TabContent>
                  </div>
                </div>
              </div>
            </div> */}
          </div>
          <div className='w-[25%]'>
            {product?.isFlashsale > 0 &&
            product?.price?.discountPercentage > 0 ? (
              <>
                <div className='flex gap-x-1 items-center mt-2'>
                  <div className='badge-solid-red text-caption-1'>
                    {product?.price?.discountPercentage}%
                  </div>
                  <div className='text-gray_r-9 line-through text-caption-1'>
                    {currencyFormat(product?.price?.price)}
                  </div>
                  <div className='text-danger-500 font-semibold text-xl'>
                    {currencyFormat(product?.price?.priceDiscount)}
                  </div>
                </div>
                <div className='text-gray_r-9 text-base font-normal mt-1'>
                  Termasuk PPN:{' '}
                  {currencyFormat(
                    product?.price?.priceDiscount * process.env.NEXT_PUBLIC_PPN
                  )}
                </div>
              </>
            ) : (
              <h3 className='text-danger-500 font-semibold mt-1 text-title-md'>
                {product?.price?.price > 0 ? (
                  <>
                    {currencyFormat(product?.price?.price)}
                    <div className='text-gray_r-9 text-base font-normal mt-1'>
                      Termasuk PPN:{' '}
                      {currencyFormat(
                        product?.price?.price * process.env.NEXT_PUBLIC_PPN
                      )}
                    </div>
                  </>
                ) : (
                  <span className='text-gray_r-12/90 font-normal text-h-sm'>
                    Hubungi kami untuk dapatkan harga terbaik,&nbsp;
                    <a
                      href={whatsappUrl('product', {
                        name: product.name,
                        manufacture: product.manufacture?.name,
                        url: createSlug(
                          '/shop/product/',
                          product.name,
                          product.id,
                          true
                        ),
                      })}
                      className='text-danger-500 underline'
                      rel='noopener noreferrer'
                      target='_blank'
                    >
                      klik disini
                    </a>
                  </span>
                )}
              </h3>
            )}
            <div className='flex gap-x-3 mt-4'>
              <input
                type='number'
                className='form-input w-16 py-2 text-center bg-gray_r-1'
                ref={setVariantQuantityRef(product.id)}
                defaultValue={1}
              />
              <button
                type='button'
                onClick={() => handleAddToCart(product.id)}
                className='flex-1 py-2 btn-yellow'
              >
                Keranjang
              </button>
              <button
                type='button'
                onClick={() => handleBuy(product.id)}
                className='flex-1 py-2 btn-solid-red'
              >
                Beli
              </button>
            </div>
            <div className='flex mt-4'>
              <button
                className='flex items-center gap-x-1'
                onClick={toggleWishlist}
              >
                {wishlist.data?.productTotal > 0 ? (
                  <HeartIcon className='w-6 fill-danger-500 text-danger-500' />
                ) : (
                  <HeartIcon className='w-6' />
                )}
                Wishlist
              </button>
            </div>
            <div className='border border-gray_r-6 overflow-auto mt-4'>
              <div className='font-medium text-center p-4 bg-gray_r-1 border-b border-gray_r-6 sticky top-0 z-10'>
                Produk Serupa
              </div>
              <div className='h-full divide-y divide-gray_r-6 max-h-96'>
                {productSimilarInBrand &&
                  productSimilarInBrand?.map((product) => (
                    <div className='py-2' key={product.id}>
                      <ProductCard product={product} variant='horizontal' />
                    </div>
                  ))}
              </div>
            </div>
          </div>
        </div>

        <div className='my-12'>
          <div className='text-h-lg font-semibold mb-6'>
            Kamu Mungkin Juga Suka
          </div>
          <LazyLoad>
            <ProductSimilar query={productSimilarQuery} />
          </LazyLoad>
        </div>

        <BottomPopup
          className='!container'
          title='Berhasil Ditambahkan'
          active={addCartAlert}
          close={() => setAddCartAlert(false)}
        >
          <div className='flex mt-4'>
            <div className='w-[10%]'>
              <Image
                src={product.image + '?variant=True'}
                alt={product.name}
                className='h-32 object-contain object-center w-full border border-gray_r-4'
              />
            </div>
            <div className='ml-3 flex flex-1 items-center font-normal'>
              {product.name}
            </div>
            <div className='ml-3 flex items-center font-normal'>
              <Link
                href='/shop/cart'
                className='flex-1 py-2 text-gray_r-12 btn-yellow'
              >
                Lihat Keranjang
              </Link>
            </div>
          </div>

          <div className='mt-8 mb-4'>
            <div className='text-h-sm font-semibold mb-6'>
              Kamu Mungkin Juga Suka
            </div>
            <LazyLoad>
              <ProductSimilar query={productSimilarQuery} />
            </LazyLoad>
          </div>
        </BottomPopup>
      </div>
    </DesktopView>
  );
};

const informationTabOptions = [
  { value: 'description', label: 'Deskripsi' },
  { value: 'information', label: 'Info Penting' },
];

const TabButton = ({ children, active, ...props }) => {
  const activeClassName = active
    ? 'text-danger-500 underline underline-offset-4'
    : 'text-gray_r-12/80';
  return (
    <button
      {...props}
      type='button'
      className={`font-medium ${activeClassName}`}
    >
      {children}
    </button>
  );
};

const TabContent = ({ children, active, className = '', ...props }) => (
  <div {...props} className={`${active ? 'block' : 'hidden'} ${className}`}>
    {children}
  </div>
);

export default ProductDesktopVariant;