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

    File: AuIPCPrimitives.Linux.hpp
    Date: 2022-4-13
    Author: Reece
***/
#pragma once

#include "IPC.hpp"
#include "IPCHandle.hpp"

#include <Source/IO/Loop/LSEvent.hpp>
#include <Source/IO/Loop/LSSemaphore.hpp>
#include <Source/IO/Loop/LSMutex.hpp>

#include <Source/IO/IPC/IPC.hpp>
#include <Source/IO/IPC/IPCHandle.hpp>

namespace Aurora::IO::IPC
{

#if !defined(IMPLEMENT_HANDLE)
    #define IMPLEMENT_HANDLE \
        IPC::IPCHandle handle_; \
        AuString ExportToString() override \
        { \
            return handle_.ToString(); \
        }
#endif

    struct IPCEventProxy : IPCEvent, Loop::ILoopSourceEx
    {
        IPCEventProxy(bool triggered, bool atomicRelease);
        IPCEventProxy(int handle, bool triggered, bool atomicRelease);
        ~IPCEventProxy();

        PROXY_INTERNAL_INTERFACE(event_)
        IMPLEMENT_HANDLE

        bool Set() override;
        bool Reset() override;

        bool IsSignaled() override;
        bool WaitOn(AuUInt32 timeout) override;
        Loop::ELoopSource GetType() override;

    private:
        Loop::LSEvent event_;
    };

    struct IPCSemaphoreProxy : IPCSemaphore, Loop::ILoopSourceEx
    {
        IPCSemaphoreProxy(AuUInt32 initialCount);
        IPCSemaphoreProxy(int handle, int tag);
        ~IPCSemaphoreProxy();

        PROXY_INTERNAL_INTERFACE(semaphore_)
        IMPLEMENT_HANDLE

        bool AddOne() override;

        bool IsSignaled() override;
        bool WaitOn(AuUInt32 timeout) override;
        Loop::ELoopSource GetType() override;
        
    private:
        Loop::LSSemaphore semaphore_;
    };

    AuSPtr<IPCEvent>     ImportEventEx(const IPCToken &token);
}