<?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) 2019 (original work) Open Assessment Technologies SA;
 */

namespace oat\taoQtiTestPreviewer\models;

use oat\oatbox\service\ConfigurableService;
use qtism\runtime\tests\AssessmentItemSession;
use taoQtiCommon_helpers_PciStateOutput as PciStateOutput;

class OutcomeResponseService extends ConfigurableService
{
    /**
     * @param AssessmentItemSession $itemSession
     * @return array
     */
    public function buildOutcomeResponse(AssessmentItemSession $itemSession)
    {
        $stateOutput = new PciStateOutput();

        foreach ($itemSession->getOutcomeVariables(false) as $var) {
            $stateOutput->addVariable($var);
        }

        return $stateOutput->getOutput();
    }
}