<?php

/*
 * This file is part of the official PHP MCP SDK.
 *
 * A collaboration between Symfony and the PHP Foundation.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Matomo\Dependencies\McpServer\Mcp\Server\Session;

use Psr\SimpleCache\CacheInterface;
use Matomo\Dependencies\McpServer\Symfony\Component\Uid\Uuid;
/**
 * PSR-16 compliant cache-based session store.
 *
 * This implementation uses any PSR-16 compliant cache as the storage backend
 * for session data. Each session is stored with a prefixed key using the session ID.
 *
 * @author luoyue <1569097443@qq.com>
 */
class Psr16SessionStore implements SessionStoreInterface
{
    public function __construct(private readonly CacheInterface $cache, private readonly string $prefix = 'mcp-', private readonly int $ttl = 3600)
    {
    }
    public function exists(Uuid $id) : bool
    {
        try {
            return $this->cache->has($this->getKey($id));
        } catch (\Throwable) {
            return \false;
        }
    }
    public function read(Uuid $id) : string|false
    {
        try {
            return $this->cache->get($this->getKey($id), \false);
        } catch (\Throwable) {
            return \false;
        }
    }
    public function write(Uuid $id, string $data) : bool
    {
        try {
            return $this->cache->set($this->getKey($id), $data, $this->ttl);
        } catch (\Throwable) {
            return \false;
        }
    }
    public function destroy(Uuid $id) : bool
    {
        try {
            return $this->cache->delete($this->getKey($id));
        } catch (\Throwable) {
            return \false;
        }
    }
    public function gc() : array
    {
        return [];
    }
    private function getKey(Uuid $id) : string
    {
        return $this->prefix . $id;
    }
}
