<?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:----Mzc5Mjg4ODE4OTAwMzcwNyA0NjY1MTAxMzA0OTQyMDM0IDY2MzUwMDMxMjAyNjI2MjY=