#ifndef __MAS_PIPE_STATE_CHECKER_H
#define __MAS_PIPE_STATE_CHECKER_H

#include "MAS_AlgoDef.h"

#include "ComDef.h"

#include "Locks.h"

#include <mutex>
#include <unordered_map>

NAMESPACE_MAS_BEGIN

#define PIPESTATECHECKER PipeStateChecker::Instance()

typedef enum __MAS_MEDIA_ENPACK {

    EMMP_UNKNOWN,

    EMMP_RTP,

	EMMP_FRAME,

} EN_MAS_MEDIA_ENPACK;

typedef enum __MAS_MEDIA_ENCODE {

	EMME_UNKNOWN,

	EMME_H264,

	EMME_H265,

	EMME_JPEG,

	EMME_PNG,

	EMME_YUV,

	EMME_RGB,

} EN_MAS_MEDIA_ENCODE;

typedef enum __MAS_MEDIA_FRAME_TYPE {

    EMMFT_UNKNOWN,

    EMMFT_I,

	EMMFT_P,

	EMMFT_B,

	EMMFT_OTHER,

} EN_MEDIA_FRAME_TYPE;

struct ExcepInfo {

	ExcepInfo(const std::string & name, TZ_INT threshold);
	ExcepInfo(const ExcepInfo & einfo);

	~ExcepInfo();

	TZ_INT Threshold; //阈值， 多少毫秒没有收到帧数据就进行报错
	std::string Name; //界面展示name
	std::atomic<TZ_INT> OutputState;
	std::atomic<TIME_POINT> Lastest;
};

struct Media {

	Media(TZ_INT Length);
	Media(const Media & origin);

	~Media();

	TZ_INT Length;
	TZ_INT DataType;
	TZ_INT Height;
	TZ_INT Width;
	void * Mem;
};

struct StraProducing {
	
	StraProducing(const std::string & key, 
		const StraRst & rst, SPtr<Media> & media) :
		Key(key), Result(rst), StraMedia(media) {}

	~StraProducing() {}

	std::string Key;
	StraRst Result;
	SPtr<Media> StraMedia;
};

struct DetProducing {
	
	DetProducing(const std::string & key, 
		const std::string & rst, SPtr<Media> & media,
		const DrawInfo & draw) :
		Key(key), Result(rst), DetMedia(media), Draw(draw) {}

	~DetProducing() {}

	std::string Key;
	std::string Result;
	SPtr<Media> DetMedia;
	DrawInfo Draw;
};

class StreamInfo {

public:
	StreamInfo();
	StreamInfo(TZ_HANDLE hd);
	StreamInfo(const StreamInfo & origin);
	StreamInfo(SPtr<StreamInfo> & origin);

	virtual ~StreamInfo();

	TZ_INT SetMediaRsc(SPtr<Media> & mediaRsc);
	TZ_INT SetStraRst(const std::string & straKey, 
		const StraRst & straRst, SPtr<Media> & Media);

	TZ_INT GetDeliverType();
	void SetDeliverType(TZ_INT type);

	TZ_INT AddDetRst(const std::string & detKey, 
		const std::string & detRst, SPtr<Media> & Media,
		const DrawInfo & draw);

	TZ_HANDLE GetHandle();

	TZ_INT SetSeq(TZ_Uint32 seq);
	TZ_Uint32 GetSeq();

	SPtr<Media> & GetMediaRsc();
	SPtr<StraProducing> & GetStraProducing();
	std::unordered_map<std::string, SPtr<DetProducing>> & GetAllDetRst();

private:
	TZ_HANDLE m_hd;
	TZ_Uint32 m_seq;

	std::atomic_int m_deliverType;

	SPtr<Media> m_mediaRsc;
	SPtr<StraProducing> m_straProducing;

	std::mutex	m_detLock;
	std::unordered_map<std::string, SPtr<DetProducing>> m_detProducings;
};

class IStreamPipe : public std::enable_shared_from_this<IStreamPipe> {

friend class PipeStateChecker;

public:
	// PlayPipe : 		srcId 媒体资源id, 	selfId 设备id
	// DetectorPipe : 	srcId 媒体资源id,	selfId 检测单元id
	// StrategyPipe : 	srcId 场景id,		selfId 判定策略id
	// WSSStreamPipe :	srcId 媒体资源id	selfId wss的sessId
	// ScenePipe:		srcId 场景id		selfId -
	IStreamPipe(TZ_INT srcId, int64_t selfId, 
		TZ_INT type, const ExcepInfo & einfo);
	virtual ~IStreamPipe();

	TZ_INT Initialize();
	TZ_INT Dispose();

	TZ_INT AddStreamPipe(const SPtr<IStreamPipe> & pipe);
	TZ_INT RemoveStreamPipe(TZ_HANDLE hd);
	TZ_INT RemoveStreamPipeBySelfId(int64_t selfId);

	void Switch(TZ_BOOL flag);

	void DeliverStream(SPtr<StreamInfo> & streamInfo, TZ_BOOL cyFlag = FALSE);

	TZ_INT GetType();
	TZ_INT GetSrcId();

	int64_t GetSelfId();

	TZ_HANDLE GetHandle();
	ExcepInfo GetExcepInfo();

protected:
	void updateExcepTime();

	virtual TZ_BOOL streamFilter(SPtr<StreamInfo> & streamInfo);

	virtual TZ_INT pipeInitialize();
	virtual TZ_INT pipeDispose();

	// pos0: auto deliver or not
	// pos1: copy or not
	virtual std::tuple<TZ_BOOL, TZ_BOOL> streamArrived(
		SPtr<StreamInfo> & stream) = 0;

private:
	void streamArrivedBySwitch(SPtr<StreamInfo> & streamInfo);

protected:
	TZ_BOOL  m_inited;

private:
	TZ_HANDLE m_handle;

	TZ_INT	m_type;	// EN_MAS_PIPE_TYPE
	TZ_INT	m_srcId;
	int64_t	m_selfId;

	std::atomic_bool m_switch;

	std::mutex m_nextLock;
	std::map<TZ_HANDLE, SPtr<IStreamPipe>> m_next;

	ExcepInfo m_einfo;
};

class PipeStateChecker : public tzc::OSThread {

public:
    static PipeStateChecker * Instance();
    static void DestoryInstance();

public:
	TZ_INT RegisterPipe(const SPtr<IStreamPipe> & pipe);
	TZ_INT RemovePipe(TZ_HANDLE handle);

private:
    PipeStateChecker();
    virtual ~PipeStateChecker();

	virtual void Entry();

private:
    std::mutex m_pipeMapLock;
	std::map<TZ_HANDLE, WPtr<IStreamPipe>> m_pipes;

    static PipeStateChecker * _ins;
    static tzc::Mutex _insLock;
};

NAMESPACE_MAS_END

#endif