<?php

namespace ProcessMaker\Cache;

use Illuminate\Cache\CacheManager;

use ProcessMaker\Cache\Monitoring\CacheMetricsDecorator;

use ProcessMaker\Cache\Monitoring\CacheMetricsInterface;

use ProcessMaker\Cache\Monitoring\PrometheusMetricsManager;

abstract class AbstractCacheFactory implements CacheFactoryInterface

{

protected static ?CacheInterface $testInstance = null;

/**

* Set a test instance for the factory

*

* @param CacheInterface|null $instance

*/

public static function setTestInstance(?CacheInterface $instance): void

{

static::$testInstance = $instance;

}

/**

* Create a new cache instance with metrics monitoring

*

* @param CacheManager $cacheManager

* @param CacheMetricsInterface $metrics

* @return CacheInterface

*/

public static function create(CacheManager $cacheManager, CacheMetricsInterface $metrics): CacheInterface

{

if (static::$testInstance !== null) {

return static::$testInstance;

}

// Create base cache instance

$cache = static::createInstance($cacheManager);

// Wrap with metrics decorator

return new CacheMetricsDecorator($cache, $metrics);

}

/**

* Get the current cache instance

*

* @return CacheInterface

*/

protected static function getInstance(): CacheInterface

{

return static::create(app('cache'), app()->make(PrometheusMetricsManager::class));

}

/**

* Create the specific cache instance

*

* @param CacheManager $cacheManager

* @return CacheInterface

*/

abstract protected static function createInstance(CacheManager $cacheManager): CacheInterface;

}