<?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:----Njc3MzI4NTg3MzI2NjAzMiAyODI4NDU3NzMyMDIyNjUyIDMzODAwMDk3MjgyODA0Nzc=