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

    File: ThreadWorkerQueueShim.cpp
    Date: 2022-3-9
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "Async.hpp"
#include "ThreadWorkerQueueShim.hpp"

namespace Aurora::Async
{
    void AsyncLoop::OnFrame()
    {
        if (this->commitPending_)
        {
            if (LoopQueue::Commit())
            {
                AuAtomicSub(&this->commitPending_, 1u);
            }
        }
    }

    bool AsyncLoop::AddCallback(const AuSPtr<AuLoop::ILoopSource> &source, const AuSPtr<AuLoop::ILoopSourceSubscriber> &subscriber)
    {
        auto ret = LoopQueue::AddCallback(source, subscriber);
        if (ret)
        {
            Schedule();
        }
        return ret;
    }

    bool AsyncLoop::AddCallbackEx(const AuSPtr<AuLoop::ILoopSource> &source, const AuSPtr<AuLoop::ILoopSourceSubscriberEx> &subscriber)
    {
        auto ret = LoopQueue::AddCallbackEx(source, subscriber);
        if (ret)
        {
            Schedule();
        }
        return ret;
    }

    bool AsyncLoop::AddCallback(const AuSPtr<AuLoop::ILoopSourceSubscriber> &subscriber)
    {
        auto ret = LoopQueue::AddCallback(subscriber);
        if (ret)
        {
            Schedule();
        }
        return ret;
    }

    void AsyncLoop::Schedule()
    {
        if (AuThreads::GetThread() != this->pParent->thread.pThread.get())
        {
            AuAtomicAdd(&this->commitPending_, 1u);
            this->pParent->sync.SetEvent();
        }
        else
        {
            this->commitPending_ = 1;
        }
    }

    bool AsyncLoop::CommitPending()
    {
        return this->commitPending_;
    }

    bool AsyncLoop::Commit()
    {
        Schedule();
        return true;
    }
}