<?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:----MzExNjgyNzc5NzkyODc5NSA3MTM4NjYxNTcxNzQ3ODI0IDcyNTk2MTgzNzk4MTU0MDI=