<?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:----Mjk0NzEzNDgwMTQ5NzQ5NSAzMzI2NjIyMzg5NDM0NDMxIDkxNjcxNTg5MzU0NzMyMDA=