import axios from "axios";
import Header from "@/components/layouts/Header";
import Layout from "@/components/layouts/Layout";
import Pagination from "@/components/elements/Pagination";
import ProductCard from "@/components/products/ProductCard";
import FilterIcon from "@/icons/filter.svg";
import { useEffect, useState } from "react";
import Filter from "@/components/elements/Filter";
import Footer from "@/components/layouts/Footer";

export async function getServerSideProps(context) {
  const { 
    q = '*', 
    page = 1, 
    brand = '', 
    category = '',
    price_from = '',
    price_to = '',
    order_by = '',
  } = context.query;

  let urlParameter = [
    `page=${page}`,
    `brand=${brand}`,
    `category=${category}`,
    `price_from=${price_from}`,
    `price_to=${price_to}`,
    `order_by=${order_by}`
  ].join('&');
  let searchResults = await axios(`${process.env.SELF_HOST}/api/shop/search?q=${q}&${urlParameter}`);
  searchResults = searchResults.data;
  return { props: { searchResults, q, page, brand, category, price_from, price_to, order_by } };
}

export default function ShopSearch({ 
  searchResults, 
  q, 
  page, 
  brand, 
  category, 
  price_from, 
  price_to, 
  order_by 
}) {
  const pageCount = Math.ceil(searchResults.response.numFound / searchResults.responseHeader.params.rows);
  const productStart = searchResults.responseHeader.params.start;
  const productRows = searchResults.responseHeader.params.rows;
  const productFound = searchResults.response.numFound;

  // Variable for <Filter/> props state
  const [activeFilter, setActiveFilter] = useState(false);
  const [filterCount, setFilterCount] = useState(0);

  const route = () => {
    let route = `/shop/search?q=${q}`;
    if (brand) route += `&brand=${brand}`;
    if (category) route += `&category=${category}`;
    if (price_from) route += `&price_from=${price_from}`;
    if (price_to) route += `&price_to=${price_to}`;
    if (order_by) route += `&order_by=${order_by}`;
    return route;
  }

  useEffect(() => {
    let calculateFilterCount = 0;
    if (brand) calculateFilterCount++;
    if (category) calculateFilterCount++;
    if (price_from || price_to) calculateFilterCount++;
    if (order_by) calculateFilterCount++;
    setFilterCount(calculateFilterCount);
  }, [brand, category, price_from, price_to, order_by]);

  return (
    <>
      <Header title={`Jual ${q} - Indoteknik`} />
      <Filter 
        defaultRoute={`/shop/search?q=${q}`}
        isActive={activeFilter}
        closeFilter={() => setActiveFilter(false)}
        defaultPriceFrom={price_from}
        defaultPriceTo={price_to}
        defaultBrand={brand}
        defaultCategory={category}
        defaultOrderBy={order_by}
        searchResults={searchResults}
      />
      <Layout>
        <div className="p-4">
          <h1 className="mb-2">Produk</h1>
          <div className="text-caption-1 mb-4">
            {productFound > 0 ? (
              <>
                Menampilkan&nbsp;
                {pageCount > 1 ? (
                  <>
                    {productStart + 1}-{
                      (productStart + productRows) > productFound ? productFound : productStart + productRows
                    }
                    &nbsp;dari&nbsp;
                  </>
                ) : ''}
                {searchResults.response.numFound}
                &nbsp;produk { q != '*' && (<>untuk pencarian <span className="font-semibold">{q}</span></>) }
              </>
            ) : 'Mungkin yang anda cari'}
          </div>
          <button className="btn-light py-2 flex items-center gap-x-2 mb-4" onClick={() => setActiveFilter(true)}>
            <FilterIcon className="w-4 h-4" /> <span>Filter {filterCount > 0 ? `(${filterCount})` : ''}</span>
          </button>
          <div className="grid grid-cols-2 gap-3">
            {searchResults.response.products.map((product) => (
              <ProductCard key={product.id} data={product} />
            ))}
          </div>
          
          <div className="mt-4">
            <Pagination pageCount={pageCount} currentPage={parseInt(page)} url={route()} />
          </div>
        </div>

        <Footer />
      </Layout>
    </>
  )
}