#ifndef __PINPAD_COMMON_H
#define __PINPAD_COMMON_H

#include "SpHelper.h"

namespace PinPad {
//
// const goes here
//

#define PinPadService_Method_GetInput 0
#define PinPadService_Method_SetAccount 1
#define PinPadService_Method_GetDevInfo 65535

#define PinPadService_MethodSignature_GetInput -635247245
#define PinPadService_MethodSignature_SetAccount -2048164506
#define PinPadService_MethodSignature_GetDevInfo 296205965

struct PinPadService_GetInput_Req
{
	int timeout;
	int length;
	bool encrypt;
	bool confirm;

	void Serialize(SpBuffer &Buf)
	{
		Buf & timeout & length & encrypt & confirm;
	}

};

struct PinPadService_GetInput_Ans
{
	CBlob data;
	bool enter;

	void Serialize(SpBuffer &Buf)
	{
		Buf & data & enter;
	}

};

struct PinPadService_SetAccount_Req
{
	CSimpleStringA account;

	void Serialize(SpBuffer &Buf)
	{
		Buf & account;
	}

};

struct PinPadService_SetAccount_Ans
{

	void Serialize(SpBuffer &Buf)
	{
	}

};

struct PinPadService_GetDevInfo_Req
{

	void Serialize(SpBuffer &Buf)
	{
	}

};

struct PinPadService_GetDevInfo_Ans
{
	CSimpleStringA type;
	CSimpleStringA model;
	CSimpleStringA version;
	int state;

	void Serialize(SpBuffer &Buf)
	{
		Buf & type & model & version & state;
	}

};


#define eMsg_InputContent 0

#define eMsgSig_InputContent 384023927

struct InputContent
{
	CBlob data;

	void Serialize(SpBuffer &Buf)
	{
		Buf & data;
	}

};


class PinPadService_ServerSessionBase : public CServerSessionBase
{
public:
	PinPadService_ServerSessionBase() { }

	virtual ~PinPadService_ServerSessionBase() { }

	virtual bool IsExclusive() { return false; }

	virtual bool IsSessionOverlap() { return true; }

	virtual ErrorCodeEnum GetMessageAttr(DWORD dwMessageID, DWORD dwSignature, bool &bOverlap)
	{
		ErrorCodeEnum Error = Error_Succeed;
		switch (dwMessageID) {
		case PinPadService_Method_GetInput:
			if (dwSignature == PinPadService_MethodSignature_GetInput) {
				bOverlap = true;
			} else {
				Error = Error_MethodSignatureFailed;
			}
			break;
		case PinPadService_Method_SetAccount:
			if (dwSignature == PinPadService_MethodSignature_SetAccount) {
				bOverlap = true;
			} else {
				Error = Error_MethodSignatureFailed;
			}
			break;
		case PinPadService_Method_GetDevInfo:
			if (dwSignature == PinPadService_MethodSignature_GetDevInfo) {
				bOverlap = true;
			} else {
				Error = Error_MethodSignatureFailed;
			}
			break;
		default:
			Error = Error_MethodNotFound;
			break;
		}
		return Error;
	}

	int CheckMessageSignature(DWORD dwMessageID, DWORD dwSignature)
	{
		ErrorCodeEnum Error = Error_Succeed;
		switch (dwMessageID) {
		case PinPadService_Method_GetInput:
			if (dwSignature != PinPadService_MethodSignature_GetInput) {
				Error = Error_MethodSignatureFailed;
			}
			break;
		case PinPadService_Method_SetAccount:
			if (dwSignature != PinPadService_MethodSignature_SetAccount) {
				Error = Error_MethodSignatureFailed;
			}
			break;
		case PinPadService_Method_GetDevInfo:
			if (dwSignature != PinPadService_MethodSignature_GetDevInfo) {
				Error = Error_MethodSignatureFailed;
			}
			break;
		default:
			Error = Error_MethodNotFound;
			break;
		}
		return Error;
	}

	virtual void Handle_GetInput(SpReqAnsContext<PinPadService_GetInput_Req, PinPadService_GetInput_Ans>::Pointer ctx)
	{
	/// override by user
	}

	virtual void Handle_SetAccount(SpReqAnsContext<PinPadService_SetAccount_Req, PinPadService_SetAccount_Ans>::Pointer ctx)
	{
	/// override by user
	}

	virtual void Handle_GetDevInfo(SpReqAnsContext<PinPadService_GetDevInfo_Req, PinPadService_GetDevInfo_Ans>::Pointer ctx)
	{
	/// override by user
	}

	virtual void OnRequest(CSmartPointer<ITransactionContext> pTransactionContext)
	{
		CAutoBuffer Buf;
		DWORD dwMessageID;
		DWORD dwMessageSignature;
		ErrorCodeEnum Error = pTransactionContext->GetReceiveBuffer(dwMessageID, dwMessageSignature, Buf);
		if (Error == Error_Succeed) {
#ifdef DEBUG
			assert(CheckMessageSignature(dwMessageID, dwMessageSignature) == Error_Succeed);
#else
			if (CheckMessageSignature(dwMessageID, dwMessageSignature) != Error_Succeed) {
				pTransactionContext->SendAnswer(Error_MethodSignatureFailed);
				return;
			}
#endif
			switch (dwMessageID) {
				case PinPadService_Method_GetInput:
					{
						SpReqAnsContext<PinPadService_GetInput_Req,PinPadService_GetInput_Ans>::Pointer ctx;
						ctx.Attach(new SpReqAnsContext<PinPadService_GetInput_Req,PinPadService_GetInput_Ans>(pTransactionContext));
						SpBuffer2Object(Buf, ctx->Req);
						Handle_GetInput(ctx);
					}
					break;
				case PinPadService_Method_SetAccount:
					{
						SpReqAnsContext<PinPadService_SetAccount_Req,PinPadService_SetAccount_Ans>::Pointer ctx;
						ctx.Attach(new SpReqAnsContext<PinPadService_SetAccount_Req,PinPadService_SetAccount_Ans>(pTransactionContext));
						SpBuffer2Object(Buf, ctx->Req);
						Handle_SetAccount(ctx);
					}
					break;
				case PinPadService_Method_GetDevInfo:
					{
						SpReqAnsContext<PinPadService_GetDevInfo_Req,PinPadService_GetDevInfo_Ans>::Pointer ctx;
						ctx.Attach(new SpReqAnsContext<PinPadService_GetDevInfo_Req,PinPadService_GetDevInfo_Ans>(pTransactionContext));
						SpBuffer2Object(Buf, ctx->Req);
						Handle_GetDevInfo(ctx);
					}
					break;
				default:
					assert(0);
					break;
			}
			
		} else {
			pTransactionContext->SendAnswer(Error);
		}
	}

};

///////////////////////////

} // namespace PinPad


#endif //__PINPAD_COMMON_H