#pragma once
#include <unordered_map>
#include "../common/comm.h"
#include "remote_def.h"
class CIOBuffer;
template<typename T>
class  FNRedirector
{
public:

	typedef void (T::* FN)(int8_t*, int16_t Size);
	bool Process(T* lhs, int32_t cmd, int8_t*, int16_t);

	void Insert(int32_t, FN fn);
private:
	std::unordered_map<int32_t, FN> m_fnmap;

};
template<typename T>
bool FNRedirector<T>::Process(T* lhs, int32_t cmd, int8_t* Data, int16_t Size)
{

	auto it = m_fnmap.find(cmd);
	if (it != m_fnmap.end())
	{

		(lhs->*it->second)(Data, Size);
		return true;
	}
	return false;
}
template<typename T>
void FNRedirector<T>::Insert(int32_t cmd, FN fn)
{
	m_fnmap.insert(std::make_pair(cmd, fn));
}
 
class CUserHandler
{
public:
  CUserHandler(int32_t fd);
  
  static void InitFnDirector();
  long long GetTimeTick();
  void OnTimeout();
  int32_t uid();
  int32_t Read();
  int32_t Fd();
  std::string& name();
  UserState state();
  void OnClose();
  void Write(CIOBuffer * pBuffer);
  EgoType type();

  void NotifyOffer(int32_t peer, int32_t index, const char* type, const char* sdp);
	void NotifyAnswer(int32_t peer, int32_t index, const char* type, const char* sdp);
	void NotifyCandidate(int32_t peer, int32_t index, const char* type, const char* candidate, int32_t sdp_mline_index, const char* sdp_mid);


  void RepVideo(int32_t peer, int32_t index,remote::VideoDesc desc);
  remote::VideoDesc ReqVideo(int32_t peer, int32_t index);
  void LeaveVideo(int32_t peer,EgoType type);
private:
  void Process(int32_t cmd, int8_t*, int32_t Size);
  void OnOffer(int8_t* Data, int16_t Size);
	void OnAnswer(int8_t* Data, int16_t Size);
	void OnCadidate(int8_t* Data, int16_t Size);
  void OnKeepAlive(int8_t* Data, int16_t Size);
  void OnAdd(int8_t* Data, int16_t Size);
	void OnRobot(int8_t* Data, int16_t Size);
	void OnLeave(int8_t* Data, int16_t Size);
  void OnReqVideo(int8_t* Data, int16_t Size);
	void OnRepVideo(int8_t* Data, int16_t Size);
private:
   int32_t _fd;
   CIOBuffer* _readBuffer;
   long long _tick;
   int32_t _uid;
  static FNRedirector<CUserHandler> Redirector;
  bool _loginsucc=false;
  std::string _name;
  EgoType _egoType;
  UserState _state;
  int32_t _peer;
   
};