/***
    Copyright (C) 2022-2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuProtocolStackSpecialWriter.cpp
    File: AuProtocolStack.cpp
    Date: 2022-8-24
    Date: 2023-09-21
    Author: Reece
***/
#include "Protocol.hpp"
#include "AuProtocolStack.hpp"
#include "AuProtocolStackSpecialWriter.hpp"

namespace Aurora::IO::Protocol
{
    SpecialWriter::SpecialWriter(ProtocolStack *pParent) :
        pParent(pParent)
    { }

    EStreamError SpecialWriter::IsOpen()
    {
        auto pStack = this->pParent;

        if (pStack->bDead)
        {
            return EStreamError::eErrorHandleClosed;
        }

        if (!pStack->pSourceBufer)
        {
            return EStreamError::eErrorStreamNotOpen;
        }

        return EStreamError::eErrorNone;
    }

    EStreamError SpecialWriter::Write(const Memory::MemoryViewStreamRead &parameters)
    {
        parameters.outVariable = 0;

        auto pStack = this->pParent;
        if (pStack->bDead)
        {
            return EStreamError::eErrorHandleClosed;
        }

        auto pStackBuffer = pStack->pSourceBufer; //pStack->AsWritableByteBuffer();
        if (!pStackBuffer)
        {
            return EStreamError::eErrorStreamNotOpen;
        }

        parameters.outVariable = pStackBuffer->Write(parameters.ptr, parameters.length);
        return EStreamError::eErrorNone;
    }
    
    void SpecialWriter::Close()
    {
        this->pParent->Terminate();
    }
    
    void SpecialWriter::Flush()
    {
        this->pParent->DoTick();
    }
}