// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include <zencore/iohash.h>

#include <stdint.h>
#include <filesystem>
#include <functional>

namespace zen {

#define ZEN_USE_CACHE_TRACKER 0
#if ZEN_USE_CACHE_TRACKER

class CbObject;

/**
 */

class ZenCacheTracker
{
public:
	ZenCacheTracker(std::filesystem::path StateDirectory);
	~ZenCacheTracker();

	void TrackAccess(std::string_view BucketSegment, const IoHash& HashKey);
	void SaveSnapshot();
	void IterateSnapshots(std::function<void(uint64_t TimeStamp, CbObject Snapshot)>&& Callback);

private:
	struct Impl;

	Impl* m_Impl = nullptr;
};

void cachetracker_forcelink();

#endif	// ZEN_USE_CACHE_TRACKER

}  // namespace zen