import dynamic from 'next/dynamic'
import NextImage from 'next/image';
import { useEffect, useState } from 'react'
import { useRouter } from 'next/router'
import Seo from '../../../core/components/Seo.jsx'
import Promocrumb from '../../../lib/promo/components/Promocrumb.jsx'
import LogoSpinner from '../../../core/components/elements/Spinner/LogoSpinner.jsx'
import ProductPromoCard from '../../../../src-migrate/modules/product-promo/components/Card.tsx'
import React from 'react'
import DesktopView from '../../../core/components/views/DesktopView.jsx';
import MobileView from '../../../core/components/views/MobileView.jsx';
import 'swiper/swiper-bundle.css';
import useDevice from '../../../core/hooks/useDevice.js'
import ProductFilterDesktop from '../../../lib/product/components/ProductFilterDesktopPromotion.jsx';
import ProductFilter from '../../../lib/product/components/ProductFilter.jsx';
import { HStack, Image, Tag, TagCloseButton, TagLabel } from '@chakra-ui/react';
import { formatCurrency } from '../../../core/utils/formatValue.js';
import Pagination from '../../../core/components/elements/Pagination/Pagination.js';
import whatsappUrl from '../../../core/utils/whatsappUrl.js';
import _ from 'lodash';
import useActive from '../../../core/hooks/useActive.js';
import useProductSearch from '../../../lib/promo/hooks/usePromotionSearch.js';

const BasicLayout = dynamic(() => import('../../../core/components/layouts/BasicLayout.jsx'))

export default function PromoDetail() {
  const router = useRouter()
  const { slug = '', brand ='', category='', page = '1' } = router.query
  const [currentPage, setCurrentPage] = useState(parseInt(10) || 1);
  const [orderBy, setOrderBy] = useState(router.query?.orderBy);
  const popup = useActive();
  const prefixUrl = `/shop/promo/${slug}`
  const [queryFinal, setQueryFinal] = useState({});
  const [limit, setLimit] = useState(30);
  const [q, setQ] = useState('*');
  const [finalQuery, setFinalQuery] = useState({});
  const [products, setProducts] = useState(null);
  const [brandValues, setBrand] = useState(
    !router.pathname.includes('brands')
      ? router.query.brand
        ? router.query.brand.split(',')
        : []
      : []
  );
  
  const [categoryValues, setCategory] = useState(
    router.query?.category?.split(',') || router.query?.category?.split(',')
  );
  
  const [priceFrom, setPriceFrom] = useState(router.query?.priceFrom || null);
  const [priceTo, setPriceTo] = useState(router.query?.priceTo || null);


  useEffect(() => {
    const newQuery = {
      fq: `type_value_s:${slug}`,
      page : router.query.page? router.query.page : 1,
      brand : router.query.brand? router.query.brand : '',
      category : router.query.category? router.query.category : '',
      priceFrom : router.query.priceFrom? router.query.priceFrom : '',
      priceTo : router.query.priceTo? router.query.priceTo : '',
      limit : router.query.limit? router.query.limit : '',
      orderBy : router.query.orderBy? router.query.orderBy : ''
    };
    setFinalQuery(newQuery);
}, [router.query, prefixUrl, slug, brand, category, priceFrom, priceTo, currentPage]);
  useEffect(() => {
      setQueryFinal({ ...finalQuery, q, limit, orderBy });
  }, [router.query, prefixUrl, slug, brand, category, priceFrom, priceTo, currentPage, finalQuery]);

  const { productSearch } = useProductSearch({
    query: queryFinal,
    operation: 'OR',
  });


  const pageCount = Math.ceil(productSearch.data?.response.numFound / limit);
  const productStart = productSearch.data?.responseHeader.params.start;
  const productRows = limit;
  const productFound = productSearch.data?.response.numFound;

  useEffect(() => {
    setProducts(productSearch.data?.response?.products);
  }, [productSearch]);

  const brands = [];
  for (
    let i = 0;
    i < productSearch.data?.facet_counts?.facet_fields?.manufacture_name_s.length;
    i += 2
  ) {
    const brand =
      productSearch.data?.facet_counts?.facet_fields?.manufacture_name_s[i];
    const qty =
      productSearch.data?.facet_counts?.facet_fields?.manufacture_name_s[i + 1];
    if (qty > 0) {
      brands.push({ brand, qty });
    }
  }

  const categories = [];
  for (
    let i = 0;
    i < productSearch.data?.facet_counts?.facet_fields?.category_name.length;
    i += 2
  ) {
    const name = productSearch.data?.facet_counts?.facet_fields?.category_name[i];
    const qty =
      productSearch.data?.facet_counts?.facet_fields?.category_name[i + 1];
    if (qty > 0) {
      categories.push({ name, qty });
    }
  }

  function capitalizeFirstLetter(string) {
    string = string.replace(/_/g, ' ');
    return string.replace(/(^\w|\s\w)/g, function(match) {
        return match.toUpperCase();
    });
  }

  const handleDeleteFilter = async (source, value) => {
    let params = {
      q: router.query.q,
      orderBy: '',
      brand: brandValues.join(','),
      category: categoryValues?.join(','),
      priceFrom: priceFrom || '',
      priceTo: priceTo || '',
    };

    let brands = brandValues;
    let catagories = categoryValues;
    switch (source) {
      case 'brands':
        brands = brandValues.filter((item) => item !== value);
        params.brand = brands.join(',');
        await setBrandValues(brands);
        break;
      case 'category':
        catagories = categoryValues.filter((item) => item !== value);
        params.category = catagories.join(',');
        await setCategoryValues(catagories);
        break;
      case 'price':
        params.priceFrom = '';
      params.priceTo = '';    
      break;
      case 'delete':
        params = {
          q: router.query.q,
          orderBy: '',
          brand: '',
          category: '',
          priceFrom: '',
          priceTo: '',
        };
        break;
    }

    handleSubmitFilter(params);
  };
  const handleSubmitFilter = (params) => {
    params = _.pickBy(params, _.identity);
    params = toQuery(params);
    router.push(`${slug}?${params}`);
  };
 

  const toQuery = (obj) => {
    const str = Object.keys(obj)
      .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(obj[key])}`)
      .join('&')
    return str
  }
 
  const whatPromo = capitalizeFirstLetter(slug)
  const queryWithoutSlug = _.omit(router.query, ['slug'])
  
  return (
    <BasicLayout>
      <Seo
        title={`Promo ${Array.isArray(slug) ? slug[0] : slug} Terkini`} 
        description='B2B Marketplace MRO & Industri dengan Layanan Pembayaran Tempo, Faktur Pajak, Online Quotation, Garansi Resmi & Harga Kompetitif'
      />
      <Promocrumb brandName={whatPromo} />
      <MobileView>
        <div className='p-4 pt-0'>
          <h1 className='mb-2 font-semibold text-h-sm'>Promo {whatPromo}</h1>
      
            <FilterChoicesComponent
                  brandValues={brandValues}
                  categoryValues={categoryValues}
                  priceFrom={priceFrom}
                  priceTo={priceTo}
                  handleDeleteFilter={handleDeleteFilter}
                />
            {products?.length >= 1 && (
            <div className='flex items-center gap-x-2 mb-5 justify-between'>
              <div>
                <button
                  className='btn-light py-2 px-5 h-[40px]'
                  onClick={popup.activate}
                >
                  Filter
                </button>
              </div>
            </div>
          )}
          {productSearch.isLoading && <div className='container flex justify-center my-4'>
                  <LogoSpinner width={48} height={48} />
                </div>}
          {products && (
                <>
                <div className='grid grid-cols-1 gap-x-1 gap-y-1'>
                  {products?.map((promotion) => (
                    <div key={promotion.id} className="min-w-36 max-w-[400px] mb-[20px] sm:w-full md:w-1/2 lg:w-1/3 xl:w-1/4 ">
                      <ProductPromoCard promotion={promotion}/>
                    </div>
                  ))}
                </div>
              </>
              ) }

              <Pagination
                  pageCount={pageCount}
                  currentPage={parseInt(page)}
                  url={`${prefixUrl}?${toQuery(_.omit(queryWithoutSlug, ['page']))}`}
                  className='mt-6 mb-2'
                />
              <ProductFilter
                active={popup.active}
                close={popup.deactivate}
                brands={brands || []}
                categories={categories || []}
                prefixUrl={router.asPath.includes('?') ? `${router.asPath}` : `${router.asPath}?`}
                defaultBrand={null}
              />
        </div>

      </MobileView>
      <DesktopView>
        <div className='container mx-auto flex mb-3 flex-col'>
          <div className='w-full pl-6'>
            <h1 className='text-2xl mb-2 font-semibold'>Promo {whatPromo}</h1>
              <div className=' w-full h-full flex flex-row items-center '>
                
                    <div className='detail-filter w-1/2 flex justify-start items-center  mt-4'>

                  <FilterChoicesComponent
                    brandValues={brandValues}
                    categoryValues={categoryValues}
                    priceFrom={priceFrom}
                    priceTo={priceTo}
                    handleDeleteFilter={handleDeleteFilter}
                  />
                    </div>
                    <div className='Filter w-1/2 flex flex-col'>

                    <ProductFilterDesktop
                          brands={brands || []}
                          categories={categories || []}  
                          prefixUrl={'/shop/promo'}
                          // defaultBrand={null}
                        />
                    </div>
                </div>
              {productSearch.isLoading ? (
                <div className='container flex justify-center my-4'>
                  <LogoSpinner width={48} height={48} />
                </div>
              ) : products && products.length >= 1 ? (
                <>
                <div className='grid grid-cols-1 gap-x-6  sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-2 xl:grid-cols-3'>
                  {products?.map((promotion) => (
                    <div key={promotion.id} className="min-w-[400px] max-w-[400px]  mb-[20px] sm:min-w-[350px] md:min-w-[380px] lg:min-w-[400px] xl:min-w-[400px] ">
                      <ProductPromoCard promotion={promotion}/>
                    </div>
                  ))}
                </div>
              </>
              ) : (
                <div className="text-center my-8">
                  <p>Belum ada promo pada kategori ini</p>
                </div>
              )}          
              <div className='flex justify-between items-center mt-6 mb-2'>
                <div className='pt-2 pb-6 flex items-center gap-x-3'>
                  <NextImage
                    src='/images/logo-question.png'
                    alt='Logo Question Indoteknik'
                    width={60}
                    height={60}
                  />
                  <div className='text-gray_r-12/90'>
                    <span>
                      Barang yang anda cari tidak ada?{' '}
                      <a
                        href={
                          router.query?.q
                            ? whatsappUrl('productSearch', {
                                name: router.query.q,
                              })
                            : whatsappUrl()
                        }
                        className='text-danger-500'
                      >
                        Hubungi Kami
                      </a>
                    </span>
                  </div>
                </div>

                
                
                <Pagination
                  pageCount={pageCount}
                  currentPage={parseInt(page)}
                  url={`${prefixUrl}?${toQuery(_.omit(queryWithoutSlug, ['page']))}`}
                  className='mt-6 mb-2'
                />
              </div>

          </div>
        </div>
      </DesktopView>
    </BasicLayout>
  )
  }
  
const FilterChoicesComponent = ({
  brandValues,
  categoryValues,
  priceFrom,
  priceTo,
  handleDeleteFilter,
  }) => (
  <div className='flex items-center mb-4'>
    <HStack spacing={2} className='flex-wrap'>
      {brandValues?.map((value, index) => (
        <Tag
          size='lg'
          key={index}
          borderRadius='lg'
          variant='outline'
          colorScheme='gray'
          >
          <TagLabel>{value}</TagLabel>
          <TagCloseButton onClick={() => handleDeleteFilter('brands', value)} />
        </Tag>
      ))}

      {categoryValues?.map((value, index) => (
        <Tag
          size='lg'
          key={index}
          borderRadius='lg'
          variant='outline'
          colorScheme='gray'
          >
          <TagLabel>{value}</TagLabel>
          <TagCloseButton
            onClick={() => handleDeleteFilter('category', value)}
            />
        </Tag>
      ))}
      {priceFrom && priceTo && (
        <Tag size='lg' borderRadius='lg' variant='outline' colorScheme='gray'>
          <TagLabel>
            {formatCurrency(priceFrom) + '-' + formatCurrency(priceTo)}
          </TagLabel>
          <TagCloseButton
            onClick={() => handleDeleteFilter('price', priceFrom)}
            />
        </Tag>
      )}
      {brandValues?.length > 0 ||
      categoryValues?.length > 0 ||
      priceFrom ||
      priceTo ? (
        <span>
          <button
            className='btn-transparent py-2 px-5 h-[40px] text-red-700'
            onClick={() => handleDeleteFilter('delete')}
            >
            Hapus Semua
          </button>
        </span>
      ) : (
        ''
        )}
    </HStack>
  </div>
);