let currentFilterTown;
let currentFilterIndustry;
const defaultTown = 'город';
const defaultIndustry = 'отрасль';

function filterItems() {
    currentFilterTown = $('.block__filters__item--town').find('.selectric .label').text().toLowerCase();
    currentFilterIndustry = $('.block__filters__item--industry').find('.selectric .label').text().toLowerCase();

    if (currentFilterTown === defaultTown) {
        currentFilterTown = undefined;
    }
    if (currentFilterIndustry === defaultIndustry) {
        currentFilterIndustry = undefined;
    }

    vars.$stockItem.each((index, element) => {
        let $currentItem = $(element);
        let currentItemTown = $currentItem.find(vars.$stockItemTown).text().toLowerCase();
        let currentItemIndustry = $currentItem.find(vars.$stockItemIndustry).text().toLowerCase();

        if (
            (currentItemTown === currentFilterTown || currentFilterTown === undefined) &&
            (currentItemIndustry === currentFilterIndustry || currentFilterIndustry === undefined)
        ) {
            $currentItem.fadeIn();
        } else {
            $currentItem.fadeOut();
        }
    });
}

vars.$document.on('select-change', () => {
    filterItems();
});