#pragma once
#include "DataElementInterface.h"
#include "LoggerInterface.h"

#define  ECMHOLDERDLL_CLASS_DECL

namespace DIOS_FILE
{
	class ECMHOLDERDLL_CLASS_DECL IFileHolderInterface
	{
	public:
		virtual bool OpenFile(const wchar_t* wszFileName) = 0;

		virtual bool Create(const wchar_t* wszFileName) = 0;

		virtual bool ReadFrame(unsigned int nFrameId) = 0;//nFrameId >= 1

		virtual const wchar_t* GetFileDisp() = 0;

		virtual const wchar_t* GetFileName() = 0;

		virtual DIOS_DataElement::CDataElementGroup* GetFrame() = 0;

		virtual const wchar_t* GetFrameDisp() { return L""; };

		virtual void Close() = 0;

		virtual unsigned int GetNumberofFrames() const = 0;

		virtual unsigned int GetStoredNumberofFrames() const = 0;

		virtual unsigned int GetFileMaxNumberofFrames() const = 0;
	};


	class CStdECOMFileHolder;

	class ECMHOLDERDLL_CLASS_DECL CStdECOMHolder : public IFileHolderInterface
	{
	public:
		CStdECOMHolder(DIOS_DataElement::IDataMgr* pDataMgr);

		virtual ~CStdECOMHolder();

		bool SetFileCfg(unsigned int uFileHeaderDispMaxLen, unsigned int uFrameHeaderDispMaxLen, unsigned int uFrameDataRegionMaxLen, unsigned int uMaxNumberofFrames);

		bool GetFileCfg(unsigned int& uFileHeaderDispMaxLen, unsigned int& uFrameHeaderDispMaxLen, unsigned int& uFrameDataRegionMaxLen, unsigned int& uMaxNumberofFrames);

		void SetDefaultFileCfg();//默认值 4 * 1024 * 1024, 4 * 1024, 0, 500

		virtual bool Create(const wchar_t* wszFileName);

		virtual const wchar_t* GetFileName();

		bool AddFrame(const wchar_t* wszFrameDisp, DIOS_DataElement::CDataElementGroup* opGroup);

		bool UpdateFrame(unsigned int nFrameId, const wchar_t* wszFrameDisp, DIOS_DataElement::CDataElementGroup* opGroup);

		//更新文件头描述
		bool UpdateFile(const wchar_t* wszFileHeaderDisp);

		virtual bool OpenFile(const wchar_t* wszFileName);

		virtual bool ReadFrame(unsigned int nFrameId);

		virtual void Close();

		//获取文件数据帧信息，需要先调用ReadFrame
		virtual DIOS_DataElement::CDataElementGroup* GetFrame();

		//文件帧头描述，需要先调用ReadFrame
		virtual const wchar_t* GetFrameDisp();

		//文件头描述
		virtual const wchar_t* GetFileDisp();

		//文件存储的有效总帧数
		virtual unsigned int GetNumberofFrames() const;

		//文件存储的实际总帧数
		virtual unsigned int GetStoredNumberofFrames() const;

		//每个文件分块的最大帧数
		virtual unsigned int GetFileMaxNumberofFrames() const;

	private:
		CStdECOMFileHolder* m_pStdECOMFileHolder;

		std::wstring* poFrameDisp;

		std::wstring* poFileDisp;

		DIOS_Kernel::CLogClient* m_pLogClient;

		bool m_bInit;
	};
}