import {buildShopParamsGET, findQueryParamsValue, PriceRange} from "../../libs/utils";

import DropdownSection from "../dropdown-component/dropdown-section";
import ShopCategories from "../shop-categories/shop-categories";
import ShopAmountRange from "../shop-amount-range/shop-amount-range";
import ShopFilters from "../shop-filters/shop-filters";
import ShopSearch from "../shop-search/shop-search";
import {useEffect, useState} from "react";
import {useRouter} from "next/router";
import {isEqual} from "radash";

export function ShopAside({sections = [], queries = [], filters = []}) {
  const [filterMap, setFilterMap] = useState(null);
  const [filtersSelected, setFiltersSelected] = useState(findQueryParamsValue(queries, 'filters') || []);
  const [priceRange, setPriceRange] = useState(findQueryParamsValue(queries, 'facets') as PriceRange);
  const [hasFilters, setHasFilters] = useState(false);
  const router = useRouter();
  const validFilters = () => {
    const list = [];
    if (filterMap) {
      Array.from(filterMap).reduce((array: number[], map: [number, Map<number, boolean>]) => {
        Array.from(map[1].entries()).forEach((value: [number, boolean]) => array.push(value[0]));
        return array;
      }, list);
    }

    router.push(`${router.pathname}${buildShopParamsGET(
      findQueryParamsValue(queries, 'sort'),
      findQueryParamsValue(queries, 'page'),
      priceRange,
      findQueryParamsValue(queries, 'cat'),
      list,
      findQueryParamsValue(queries, 'search'),
    )}`);
  }

  useEffect(() => {
    if (!findQueryParamsValue(queries, 'filters')) {
      setFilterMap(new Map());
      setFiltersSelected([]);
    } else {
      setFiltersSelected(findQueryParamsValue(queries, 'filters') || []);
    }
    if (!findQueryParamsValue(queries, 'facets')) {
      setPriceRange(null);
    }
  }, [queries]);

  useEffect(() => {
    setHasFilters((!isEqual(filterMap, null) && filterMap.size !== 0) || !isEqual(priceRange, null));
  }, [filterMap]);

  const updatePriceRange = (range: PriceRange) => {
    setPriceRange(range);
  }

  const updateFilterMap = (map: Map<number, Map<number, boolean>>) => {
    setFilterMap(map);
  }

  const resetFilters = () => {
    router.push(`${router.pathname}${buildShopParamsGET(
      findQueryParamsValue(queries, 'sort'),
      findQueryParamsValue(queries, 'page'),
      null,
      findQueryParamsValue(queries, 'cat'),
      null,
      findQueryParamsValue(queries, 'search'),
    )}`);
  }

  return (
    <>
      <ShopSearch queries={queries} />
      <div className="rounded-lg mx-2 md:mx-0 mt-5 md:mt-0 mb-5 shadow-sm
              bg-white
              dark:bg-gray-800">
        <DropdownSection title="Catégogies">
          <ShopCategories queries={queries}
                          sections={sections} />
        </DropdownSection>
      </div>
      <div className="rounded-lg mx-2 md:mx-0 mt-5 md:mt-0 mb-5 shadow-sm
              bg-white
              dark:bg-gray-800">

        {hasFilters && (
          <div className="pt-5 px-5 flex justify-end">
            <button onClick={() => resetFilters()}
                    className="px-3 py-2 text-xs font-medium text-center rounded-lg border
            text-gray-900 bg-white border-gray-200
            focus:outline-none hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-4 focus:ring-gray-200
            dark:focus:ring-gray-700 dark:bg-gray-800 dark:text-gray-400 dark:border-gray-600 dark:hover:text-white dark:hover:bg-gray-700">Réinitialiser les filtres
            </button>
          </div>
        )}
        <DropdownSection title="Prix"
                         collapse={true}>
          <ShopAmountRange range={priceRange}
                           onChange={(value: PriceRange) => updatePriceRange(value)} />
        </DropdownSection>
        <hr className="border-gray-100 dark:border-gray-700 w-full" />
        <DropdownSection title="Filtres">
          <ShopFilters filters={filters}
                       filtersSelected={filtersSelected}
                       onChange={(map: Map<number, Map<number, boolean>>) => updateFilterMap(map)} />
        </DropdownSection>
        <hr className="border-gray-100 dark:border-gray-700 w-full mb-5" />
        <div className="px-5">
          <button onClick={() => validFilters()}
                  className="font-medium rounded-lg text-sm px-5 py-2.5 mr-2 mb-5 w-full
                text-white bg-blue-700
                hover:bg-blue-800 focus:ring-4 focus:ring-blue-300
                dark:bg-blue-600 dark:hover:bg-blue-700 focus:outline-none dark:focus:ring-blue-800">
            Appliquer les filtres
          </button>
        </div>
      </div>
    </>
  );
}

export default ShopAside;