#ifndef _LG1_PCLOUD_AMBIENCE_STENCIL_H
#define _LG1_PCLOUD_AMBIENCE_STENCIL_H

#include "livoxGen1.h"
#include <user/pcloudAmbienceStencil.h>
#include <user/stagingBuffer.h>
#include <unistd.h>

namespace smo {
namespace stim_buff {

/**
 * LG1PcloudAmbienceStencil represents Livox Gen1-specific stencils for
 * ambience data. The StagingBuffer is sized to handle the worst-case scenario
 * where every ambience body spot requires its own descriptor
 * (nDgramsPerFrame slots).
 */
class LG1PcloudAmbienceStencil
:	public PcloudAmbienceStencil
{
public:
	// Common IOEngineConstraints for stencil buffer (used for both input and output)
	static const StagingBuffer::IOEngineConstraints stencilBufferConstraints;

	/**
	 * Constructor
	 * @param nDgramsPerFrame Number of datagrams per frame, used to size the
	 *        stencil buffer for worst-case scenario (one descriptor per dgram)
	 */
	explicit LG1PcloudAmbienceStencil(size_t nDgramsPerFrame)
	:	PcloudAmbienceStencil(),
	stencilBuffer(
		stencilBufferConstraints,  // Input constraints
		stencilBufferConstraints,  // Output constraints (same as input)
		nDgramsPerFrame),
	nRangeDescriptors(0)
	{}

	~LG1PcloudAmbienceStencil() = default;

	// Implement pure virtual functions from Stencil
	bool hasData() const override
	{
		return nRangeDescriptors > 0;
	}

	size_t getRelevantCount() const override
	{
		// TODO: Implement based on range descriptors
		return 0;
	}

	bool isRelevant(size_t offset) const override
	{
		// TODO: Implement based on range descriptors
		(void)offset;
		return false;
	}

	size_t getNRangeDescriptors() const override
	{
		return nRangeDescriptors;
	}

	bool buildStencilMetadata() override
	{
		// TODO: Implement stencil metadata building
		return true;
	}

public:
	StagingBuffer stencilBuffer;
	size_t nRangeDescriptors;
};

} // namespace stim_buff
} // namespace smo

#endif // _LG1_PCLOUD_AMBIENCE_STENCIL_H