#ifndef IPAKSTREAM_H__
#define IPAKSTREAM_H__

#include "../../IDataStream.h"
#include "../../LString.h"
#include <assert.h>
#include "pak_io/PakFile.h"

namespace LifeCore
{
	class IPakStream : public IDataStream
	{
	private:
		PakFile* source;
		entry_info info;
		int openMode;
		size_t stmLength;
		PakEntryHandle entry;
	public:
		~IPakStream(){}
		void Close()
		{
			source->fclose(entry);
			openMode = 0;
		}
		IPakStream(PakFile* file, String& entryName, int fileAccessMode)
		{
			source = file;
			openMode = fileAccessMode;
			//	source->CloseCurrentEntry();
			if (fileAccessMode == FA_READ)
			{
				entry = source->fopen(entryName);
				//	source->LocateEntry(entry);
				//info = source->GetEntryInfo();
				stmLength = source->fget_size(entry);
				//source->OpenCurrentEntry();
			}
			else
			{
				throw "Creation of new PAK entry is not implemented! IPakStream.h";
				//source->NewFileEntry(entry);
			}
		}
		size_t Read(void* pBuffer, size_t countBytes)
		{
			return source->fread(entry, pBuffer, countBytes);
		}
		size_t Write(const void* pBuffer, size_t countBytes)
		{
			source->fwrite(entry, pBuffer, countBytes);
			return countBytes;
		}
		void Seek(size_t position)
		{
			source->fseek(entry, position);
		}
		size_t Tell()
		{
			return source->ftell(entry);
		}
		size_t Length()
		{
			return source->fget_size(entry);
		}
		bool CanRead()
		{
			return true;
		}
		bool CanWrite()
		{
			return true;
		}
	};
}

#endif