<?php
/**
 * SuiteCRM is a customer relationship management program developed by SuiteCRM Ltd.
 * Copyright (C) 2025 SuiteCRM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUITECRM, SUITECRM DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "Supercharged by SuiteCRM" logo. If the display of the logos is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Supercharged by SuiteCRM".
 */

namespace App\Security\TwoFactor\LegacyHandler;

use App\Engine\LegacyHandler\LegacyHandler;

class BlowfishCodeHandler extends LegacyHandler {

    public const HANDLER_KEY = 'blowfish-code';

    public function getHandlerKey(): string
    {
       return self::HANDLER_KEY;
    }

    public function getKey(string $key): string {
        return blowfishGetKey($key);
    }

    public function encode($key, $value): array|string
    {

        $this->init();

        $key = $this->getKey($key);

        if (!is_array($value)) {
            $value = blowfishEncode($key, $value);
            $this->close();
            return $value;
        }

        $result = [];

        foreach ($value as $i => $item) {
            $result[$i] = blowfishEncode($key, $item);
        }

        $this->close();
        return $result;
    }

    public function decode($key, $value) {

        $this->init();

        $key = $this->getKey($key);

        if (!is_array($value)) {
            $value = blowfishDecode($key, $value);
            $this->close();
            return $value;
        }

        $result = [];

        foreach ($value as $i => $item) {
            $result[$i] = blowfishDecode($key, $item);
        }

        $this->close();
        return $result;
    }
}