#include "IFSFile.h"
#include "IFSContentProvider.h"

namespace LifeCore
{
	IFSFile::IFSFile()
	{
	}
	IFSFile::IFSFile(const String& path, int size)
	{
		isOpen = false;
		EntryName = path;
		HANDLE file = CreateFileA(path.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
		if(GetLastError() != ERROR_ALREADY_EXISTS)
		{
			if(size > 0)
			{
				SetFilePointer(file, size - 1, 0, FILE_BEGIN);
				char data = 0;
				DWORD numWrite = 0;
				WriteFile(file, &data, 1, &numWrite, NULL);
			}
		}
		CloseHandle(file);
	}

	bool IFSFile::ReadAsync(char* buffer, size_t count_read)
	{
		UNREFERENCED_PARAMETER(buffer);
		UNREFERENCED_PARAMETER(count_read);
		//TODO read!
		return true;
	}
	IDataStreamPtr IFSFile::OpenWrite(int mode)
	{
		UNREFERENCED_PARAMETER(mode);
		g_stream = new IFSStream(EntryName, FA_WRITE, this->Size);
		return IDataStreamPtr(g_stream);
	}
	IDataStreamPtr IFSFile::OpenReadWrite(int mode)
	{
		UNREFERENCED_PARAMETER(mode);
		return IDataStreamPtr(0);
		//throw new NotImplementedException();
	}

	IDataStreamPtr IFSFile::OpenRead()
	{
		g_stream = new IFSStream(EntryName, FA_READ, this->Size);
		return IDataStreamPtr(g_stream);
		//g_stream = new IZipStream((this->Provider as IZipFileContentProvider).GetSource(), EntryName, FA_READ);
		//return g_stream;
	}
	void IFSFile::Close()
	{
		if(g_stream)
		{
			g_stream->Close();
			delete g_stream;
		}
	}
}