<?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:----NTU0OTU2MDM0MDU0ODM4OSAxMTY1MzcwMTA3MzUyODEgOTg5MTY4NDkwMDg1MzQ1Mw==