define([
    'jquery',
    'mage/translate'
], function ($, $t) {
    'use strict';

    return function (config, element) {
        var $form = $(element),
            $selectAll = $form.find('[data-role="wiki-select-all"]'),
            $items = $form.find('[data-role="wiki-category-select"]');

        $selectAll.on('change', function () {
            $items.prop('checked', this.checked);
        });
        $items.on('change', function () {
            $selectAll.prop('checked', $items.length > 0 && $items.filter(':checked').length === $items.length);
        });
        $form.on('submit', function (event) {
            if ($items.filter(':checked').length === 0) {
                event.preventDefault();
                window.alert($t('Select at least one Wiki category.'));
            }
        });
    };
});