<?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:----NTg1NjQ3MTA4MTMwMjM2OSAzMTE3MDI5OTY5OTUxNzY2IDQxOTIxNzMwNzkxMTM4NjQ=