<?php
/**
 * sysPass
 *
 * @author    nuxsmin
 * @link      http://syspass.org
 * @copyright 2012-2017, Rubén Domínguez nuxsmin@$syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * sysPass 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 sysPass.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace SP\Core\Upgrade;

use SP\Storage\DbWrapper;
use SP\Storage\QueryData;

/**
 * Class Check
 * @package SP\Core\Upgrade
 */
class Check
{
    /**
     * Comprobar si hay conflictos para aplicar las restricciones
     *
     * @return mixed
     */
    public static function checkConstraints()
    {
        $query = /** @lang SQL */
            'SELECT * FROM 
            (SELECT COUNT(*) AS accounts_user FROM Account WHERE account_userId NOT IN (SELECT user_id FROM usrData) OR account_userId IS NULL) au,
            (SELECT COUNT(*) AS accounts_group FROM Account WHERE account_userGroupId NOT IN (SELECT usergroup_id FROM usrGroups) OR account_userGroupId IS NULL) ag,
            (SELECT COUNT(*) AS accounts_useredit FROM Account WHERE account_userEditId NOT IN (SELECT user_id FROM usrData) OR account_userEditId IS NULL) b,
            (SELECT COUNT(*) AS accounts_category FROM Account WHERE account_categoryId NOT IN (SELECT id FROM Category) OR account_categoryId IS NULL) c,
            (SELECT COUNT(*) AS accounts_customer FROM Account WHERE account_customerId NOT IN (SELECT id FROM customers) OR account_customerId IS NULL) d,
            (SELECT COUNT(*) AS accountshistory_user FROM accHistory WHERE acchistory_userId NOT IN (SELECT user_id FROM usrData) OR acchistory_userId IS NULL) eu,
            (SELECT COUNT(*) AS accountshistory_group FROM accHistory WHERE acchistory_userGroupId NOT IN (SELECT usergroup_id FROM usrGroups) OR acchistory_userGroupId IS NULL) eg,
            (SELECT COUNT(*) AS accountshistory_useredit FROM accHistory WHERE acchistory_userEditId NOT IN (SELECT user_id FROM usrData) OR acchistory_userEditId IS NULL) f,
            (SELECT COUNT(*) AS accountshistory_category FROM accHistory WHERE acchistory_categoryId NOT IN (SELECT id FROM Category) OR acchistory_categoryId IS NULL) g,
            (SELECT COUNT(*) AS accountshistory_customer FROM accHistory WHERE acchistory_customerId NOT IN (SELECT id FROM customers) OR acchistory_customerId IS NULL) h,
            (SELECT COUNT(*) AS users_group FROM usrData WHERE user_groupId NOT IN (SELECT usergroup_id FROM usrGroups) OR user_groupId IS NULL) i,
            (SELECT COUNT(*) AS users_profile FROM usrData WHERE user_profileId NOT IN (SELECT id FROM UserProfile) OR user_profileId IS NULL) j';

        $Data = new QueryData();
        $Data->setQuery($query);

        return DbWrapper::getResults($Data);
    }
}