<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2024 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <https://www.gnu.org/licenses/>.
 *
 * ---------------------------------------------------------------------
 */

namespace Glpi\Cache;

use Psr\SimpleCache\CacheInterface;
use Symfony\Component\Cache\Psr16Cache;

class SimpleCache extends Psr16Cache implements CacheInterface
{
    public function get($key, $default = null)
    {
        $normalized_key = $this->getNormalizedKey($key);
        return parent::get($normalized_key, $default);
    }

    public function set($key, $value, $ttl = null)
    {
        $normalized_key = $this->getNormalizedKey($key);
        return parent::set($normalized_key, $value, $ttl);
    }

    public function delete($key)
    {
        $normalized_key = $this->getNormalizedKey($key);
        return parent::delete($normalized_key);
    }

    public function getMultiple($keys, $default = null)
    {
        $normalized_keys = array_map([$this, 'getNormalizedKey'], $keys);
        $result = parent::getMultiple($normalized_keys, $default);

        $values_with_real_keys = [];
        foreach ($keys as $key) {
            $normalized_key = $this->getNormalizedKey($key);
            $values_with_real_keys[$key] = $result[$normalized_key] ?? $default;
        }

        return $values_with_real_keys;
    }

    public function setMultiple($values, $ttl = null)
    {
        $values_with_normalized_keys = [];
        foreach ($values as $key => $value) {
            $normalized_key = $this->getNormalizedKey($key);
            $values_with_normalized_keys[$normalized_key] = $value;
        }

        return parent::setMultiple($values_with_normalized_keys, $ttl);
    }

    public function deleteMultiple($keys)
    {
        $normalized_keys = array_map([$this, 'getNormalizedKey'], $keys);
        return parent::deleteMultiple($normalized_keys);
    }

    public function has($key)
    {
        $normalized_key = $this->getNormalizedKey($key);
        return parent::has($normalized_key);
    }

    /**
     * Returns normalized key to ensure compatibility with cache storage.
     *
     * @param string $key
     *
     * @return string
     */
    private function getNormalizedKey(string $key): string
    {
        return sha1($key);
    }
}
