#include <common/windows.hpp>
#include <common/string.hpp>
#include <common/openfile.hpp>
//#include <uudecode/fileinfo.hpp>
#include <stdio.h>

class FileInfo;

extern "C"
{
  int FileOpen(char *pPathFileName,FileInfo *pFileInfo,int access,int share,int open,int attributes);
	int FileClose(FileInfo *pFileInfo);
  int FileRead(FileInfo *pFileInfo,BYTE *ptrByte);
	int FileReadLine(FileInfo *pFileInfo,BYTE *ptrByte);
  int FileWriteLine(FileInfo *pFileInfo,BYTE *ptrByte);
	int FileFlush(FileInfo *pFileInfo);
}

class FileInfo
{
public:
  FileInfo(void);
	~FileInfo();              // cannot be virtual
  enum{MaxLength=0x800};
	BYTE mBuffer[MaxLength];
	HANDLE mhFileHandle;
	DWORD mBufferIndex;
	DWORD mlpBufferPointer;
};

inline
FileInfo::FileInfo(void)
: mhFileHandle(INVALID_HANDLE_VALUE), mBufferIndex(0), mlpBufferPointer(0)
{
}

inline
FileInfo::~FileInfo()
{
}

class FileIO
{
public:
	enum Open{CreateNew=CREATE_NEW,CreateAlways=CREATE_ALWAYS,OpenExisting=OPEN_EXISTING,
	          OpenAlways=OPEN_ALWAYS,TruncateExisting=TRUNCATE_EXISTING};
	enum Share{FileShareRead=FILE_SHARE_READ,FileShareWrite=FILE_SHARE_WRITE,FileShareDelete=FILE_SHARE_DELETE};
	enum Access{GenericRead=GENERIC_READ,GenericWrite=GENERIC_WRITE,
	            GenericExecute=GENERIC_EXECUTE,GenericAll=GENERIC_ALL};
	enum Attributes{ReadOnly=FILE_ATTRIBUTE_READONLY,Hidden=FILE_ATTRIBUTE_HIDDEN,
	                System=FILE_ATTRIBUTE_SYSTEM,Directory=FILE_ATTRIBUTE_DIRECTORY,
						      Archive=FILE_ATTRIBUTE_ARCHIVE,Normal=FILE_ATTRIBUTE_NORMAL,
						      Temporary=FILE_ATTRIBUTE_TEMPORARY,Compressed=FILE_ATTRIBUTE_COMPRESSED,
						      Offline=FILE_ATTRIBUTE_OFFLINE};
	int openFile(char *pPathFileName,Access access,Share share,Open open,Attributes attributes);
	int closeFile(void);
	int readFile(BYTE *ptrByte);
	int readLine(BYTE *strLine);
	int writeFile(BYTE *strByte);
	int flushFile(void);
	BOOL isOkay(void)const;
private:
  FileInfo mFileInfo;
};

inline
int FileIO::openFile(char *pPathFileName,Access access,Share share,Open open,Attributes attributes)
{
  closeFile();
  return !(INVALID_HANDLE_VALUE==(HANDLE)::FileOpen(pPathFileName,&mFileInfo,access,share,open,attributes));
}

inline
int FileIO::closeFile(void)
{
  flushFile();
  return ::FileClose(&mFileInfo);
}

inline
int FileIO::readFile(BYTE *ptrByte)
{
  return ::FileRead(&mFileInfo,ptrByte);
}

inline
int FileIO::readLine(BYTE *strLine)
{
  return ::FileReadLine(&mFileInfo,strLine);
}

inline
int FileIO::writeFile(BYTE *strByte)
{
  return ::FileWriteLine(&mFileInfo,strByte);
}

inline
int FileIO::flushFile(void)
{
  return ::FileFlush(&mFileInfo);
}

inline
BOOL FileIO::isOkay(void)const
{
  return INVALID_HANDLE_VALUE==mFileInfo.mhFileHandle;
}

int PASCAL WinMain(HINSTANCE /*hInstance*/,HINSTANCE /*hPrevInstance*/,LPSTR lpszCmdLine,int /*nCmdShow*/)
{
  FileIO openFile;
	BYTE ptrByte;
	DWORD byteCount;
	DWORD elapsedTime;
	String strMessage;
	char lineString;

//  if(!openFile.openFile(String(lpszCmdLine),
//	  FileIO::Access(int(FileIO::GenericRead)|int(FileIO::GenericWrite)),
//		FileIO::FileShareRead,
//		FileIO::OpenExisting,
//		FileIO::Normal))return FALSE;

//#if 0
  if(!openFile.openFile("c:\\smk.lst",
	  FileIO::Access(int(FileIO::GenericRead)|int(FileIO::GenericWrite)),
		FileIO::FileShareWrite,
		FileIO::CreateAlways,
		FileIO::Normal))return FALSE;
	elapsedTime=::GetTickCount();
	for(int lineIndex=0;lineIndex<500000;lineIndex++)openFile.writeFile((BYTE*)"hello there");
	elapsedTime=::GetTickCount()-elapsedTime;
	elapsedTime/=1000L;
	::sprintf(strMessage,"%ld bytes read int %ld seconds\n",byteCount,elapsedTime);
	::MessageBox(::GetFocus(),strMessage,(LPSTR)"FileIO",MB_OK);
  openFile.closeFile();
//#endif

#if 0
	FileHandle logFile;
	logFile.open("c:\\smk.lst",FileHandle::ReadWrite,FileHandle::ShareReadWrite,FileHandle::Overwrite);
	if(!logFile.isOkay())return FALSE;
	elapsedTime=::GetTickCount();
	for(int lineIndex=0;lineIndex<500000;lineIndex++)logFile.writeLine("hello there");
	logFile.flush();
	logFile.close();
	elapsedTime=::GetTickCount()-elapsedTime;
	elapsedTime/=1000L;
	::sprintf(strMessage,"%ld bytes read int %ld seconds\n",byteCount,elapsedTime);
	::MessageBox(::GetFocus(),strMessage,(LPSTR)"FileIO",MB_OK);
#endif
  return FALSE;
}