<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2020 (original work) Open Assessment Technologies SA;
 */

declare(strict_types=1);

namespace oat\tao\helpers\form;

use oat\oatbox\service\ConfigurableService;
use oat\tao\model\featureFlag\FeatureFlagChecker;
use oat\tao\model\featureFlag\FeatureFlagCheckerInterface;

abstract class AbstractFeatureFlagFormPropertyMapper extends ConfigurableService
{
    public const OPTION_FEATURE_FLAG_FORM_FIELDS = 'featureFlagFormFields';

    public function getExcludedProperties(): array
    {
        $excludedProperties = [];

        foreach ($this->getOption(self::OPTION_FEATURE_FLAG_FORM_FIELDS) as $field => $featureFlags) {
            foreach ($featureFlags as $featureFlag) {
                if (!$this->getFeatureFlagChecker()->isEnabled($featureFlag)) {
                    $excludedProperties[] = $field;
                }
            }
        }

        return array_unique($excludedProperties);
    }

    private function getFeatureFlagChecker(): FeatureFlagCheckerInterface
    {
        return $this->getServiceLocator()->get(FeatureFlagChecker::class);
    }
}