/**
  * \brief Acquisition Server plugin outputting signals and stimulations to LabStreamingLayer (LSL) streams
  * \version 0.1
  * \author Jussi T. Lindgren / Inria
*/
#pragma once

#if defined TARGET_HAS_ThirdPartyLSL

#include <lsl_cpp.h>
#include "ovasIAcquisitionServerPlugin.h"

namespace OpenViBE {
namespace AcquisitionServer {
class CAcquisitionServer;

namespace Plugins {
class CPluginLSLOutput final : public IAcquisitionServerPlugin
{
	// Plugin interface
public:
	explicit CPluginLSLOutput(const Kernel::IKernelContext& ctx);
	~CPluginLSLOutput() override;

	bool startHook(const std::vector<CString>& selectedChannelNames, const size_t sampling, const size_t nChannel, const size_t nSamplePerSentBlock) override;
	void stopHook() override;
	void loopHook(std::deque<std::vector<float>>& buffers, CStimulationSet& stimSet, const uint64_t start, const uint64_t end,
				  const uint64_t sampleTime) override;

	// Plugin implementation
	bool m_IsLSLOutputEnabled      = false;
	std::string m_SignalStreamName = "openvibeSignal";
	std::string m_SignalStreamID;
	std::string m_MarkerStreamName = "openvibeMarkers";
	std::string m_MarkerStreamID;

private:
	lsl::stream_outlet* m_signalOutlet   = nullptr;
	lsl::stream_outlet* m_stimulusOutlet = nullptr;

	size_t m_nSamplePerSentBlock = 0;

	bool m_useOVTimestamps = false;
	CTime m_startTime      = CTime(0);
};
}  // namespace Plugins
}  // namespace AcquisitionServer
}  // namespace OpenViBE

#endif // TARGET_HAS_ThirdPartyLSL