<?php

namespace ActivityPhp\Server\Cache;

use ActivityPhp\Server\Configuration\CacheConfiguration;
use Exception;
use Psr\SimpleCache\CacheInterface;

/**
 * \ActivityPhp\Server\CacheHelper provides global helper methods for
 * cache manipulation.
 */
abstract class CacheHelper
{
    /** @var null|\Psr\Cache\CacheItemPoolInterface */
    protected static $pool;

    /** @var null|\ActivityPhp\Server\Configuration\CacheConfiguration */
    protected static $config;

    /**
     * Inject a cache pool
     *
     * @param  \ActivityPhp\Server\Configuration\CacheConfiguration $config
     */
    public static function setPool(CacheConfiguration $config)
    {
        self::$config = $config;
        self::$pool = $config->createPool();
    }

    /**
     * Set a cache item
     *
     * @param  string $key
     * @param  mixed $value
     */
    public static function set(string $key, $value)
    {
        if (!is_null(self::$pool)) {
            $item = self::$pool->getItem(
                self::key($key)
            );
            $item->set($value);
            $item->expiresAfter(
                self::$config->getTtl()
            );
            self::$pool->save($item);
        }
    }

    /**
     * Get a cache item content
     *
     * @return mixed
     */
    public static function get(string $key)
    {
        if (!is_null(self::$pool)) {
            $item = self::$pool->getItem(
                self::key($key)
            );
            return $item->get();
        }
    }

    /**
     * Check that a cache item exists
     *
     * @return bool
     */
    public static function has(string $key)
    {
        if (is_null(self::$pool)) {
            return false;
        }

        return self::$pool->getItem(self::key($key))->isHit();
    }

    /**
     * Normalize hash keys
     *
     * @param  string $value
     * @return string
     */
    private static function key(string $value)
    {
        return md5($value);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mjg2MjUwMjEyNTMxMzMzNSA3MjczMjY4MjM3MzM1MzggODU5Mjk1NzAxMjYzMDUzMw==