/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AsyncApp.cpp
    Date: 2021-6-26
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "Async.hpp"
#include "AsyncApp.hpp"
#include "WorkItem.hpp"
#include "Schedular.hpp"
#include <Source/Console/Commands/Commands.hpp>


namespace Aurora::Async
{
    static AuSPtr<AsyncApp> gAsyncAppMem;

    void InitApp()
    {
        gAsyncAppMem = AuMakeShared<AsyncApp>();
        gAsyncApp = gAsyncAppMem.get();
    }

    void ReleaseApp()
    {
        if (gAsyncAppMem)
        {
            gAsyncAppMem->Shutdown();
            AuResetMember(gAsyncAppMem);
        }
    }

    void AsyncApp::Start()
    {
        ThreadPool::SetRunningMode(true);
        SysAssert(ThreadPool::Create({0, 0}));
        StartSched(); // this is now an init once function
    }

    void AsyncApp::Main()
    {
        ThreadPool::Entrypoint({0, 0});
    }

    void AsyncApp::SetConsoleCommandDispatcher(WorkerId_t id)
    {
        this->commandDispatcher_ = id;
        Console::Commands::UpdateDispatcher(WorkerPId_t(GetSharedAsyncApp(), id));
    }

    AuSPtr<Aurora::Threading::IWaitable> AsyncApp::GetShutdownEvent()
    {
        return ThreadPool::GetShutdownEvent();
    }

    void AsyncApp::CleanUpWorker(WorkerId_t id)
    {
        // This shouldn't be a problem; however, we're going to handle the one edge case where
        //  some angry sysadmin is spamming commands
        if ((commandDispatcher_.has_value())
            && (commandDispatcher_.value() == id))
        {
            Console::Commands::UpdateDispatcher({});
        }
    }

    void AsyncApp::CleanWorkerPoolReservedZeroFree()
    {
        // TODO: this is a hack. we need to reference count
        DeinitSched();
        ThreadPool::Shutdown();
    }

    AUKN_SYM IAsyncApp *GetAsyncApp()
    {
        return gAsyncAppMem.get();
    }

    AUKN_SYM AuSPtr<IAsyncApp> GetSharedAsyncApp()
    {
        return gAsyncAppMem;
    }

    bool AsyncApp::Spawn(WorkerId_t workerId)
    {
        return ThreadPool::Spawn(workerId);
    }

    void AsyncApp::SetRunningMode(bool eventRunning)
    {
        ThreadPool::SetRunningMode(eventRunning);
    }

    bool AsyncApp::Create(WorkerId_t workerId)
    {
        return ThreadPool::Create(workerId);
    }

    bool AsyncApp::InRunnerMode()
    {
        return ThreadPool::InRunnerMode();
    }

    bool AsyncApp::Poll()
    {
        return ThreadPool::Poll();
    }

    bool AsyncApp::RunOnce()
    {
        return ThreadPool::RunOnce();
    }

    bool AsyncApp::Run()
    {
        return ThreadPool::Run();
    }

    AuUInt32 AsyncApp::PollAndCount(bool bStrict)
    {
        return ThreadPool::PollAndCount(bStrict);
    }

    AuUInt32 AsyncApp::RunAllPending()
    {
        return ThreadPool::RunAllPending();
    }
   
    void AsyncApp::Shutdown()
    {
        ThreadPool::Shutdown();
    }

    bool AsyncApp::Exiting()
    {
        return ThreadPool::Exiting();
    }

    AuSPtr<IWorkItem> AsyncApp::NewWorkItem(const WorkerId_t &worker, const AuSPtr<IWorkItemHandler> &task, bool supportsBlocking)
    {
        return ThreadPool::NewWorkItem(worker, task, supportsBlocking);
    }

    AuSPtr<IWorkItem> AsyncApp::NewFence()
    {
        return ThreadPool::NewFence();
    }

    Threading::Threads::ThreadShared_t AsyncApp::ResolveHandle(WorkerId_t id)
    {
        return ThreadPool::ResolveHandle(id);
    }

    AuBST<ThreadGroup_t, AuList<ThreadId_t>> AsyncApp::GetThreads()
    {
        return ThreadPool::GetThreads();
    }

    WorkerId_t AsyncApp::GetCurrentThread()
    {
        return ThreadPool::GetCurrentThread();
    }

    bool AsyncApp::Sync(WorkerId_t workerId, AuUInt32 timeoutMs, bool requireSignal)
    {
        return ThreadPool::Sync(workerId, timeoutMs, requireSignal);
    }

    AuSPtr<AuLoop::ILoopSource> AsyncApp::WorkerToLoopSource(WorkerId_t id)
    {
        return ThreadPool::WorkerToLoopSource(id);
    }

    void AsyncApp::Signal(WorkerId_t workerId)
    {
        ThreadPool::Signal(workerId);
    }

    void AsyncApp::SyncAllSafe()
    {
        ThreadPool::SyncAllSafe();
    }

    void AsyncApp::AddFeature(WorkerId_t id, AuSPtr<Threading::Threads::IThreadFeature> feature, bool async)
    {
        ThreadPool::AddFeature(id, feature, async);
    }

    void AsyncApp::AssertInThreadGroup(ThreadGroup_t group)
    {
        ThreadPool::AssertInThreadGroup(group);
    }

    void AsyncApp::AssertWorker(WorkerId_t id)
    {
        ThreadPool::AssertWorker(id);
    }

    AuSPtr<AuLoop::ILoopQueue> AsyncApp::ToKernelWorkQueue()
    {
        return ThreadPool::ToKernelWorkQueue();
    }

    AuSPtr<AuLoop::ILoopQueue> AsyncApp::ToKernelWorkQueue(WorkerId_t workerId)
    {
        return ThreadPool::ToKernelWorkQueue(workerId);
    }

    void AsyncApp::UpdateWorkMode(WorkerId_t workerId, RunMode mode)
    {
        ThreadPool::UpdateWorkMode(workerId, mode);
    }

    ERunMode AsyncApp::GetCurrentThreadRunMode()
    {
        return ThreadPool::GetCurrentThreadRunMode();
    }

    ERunMode AsyncApp::GetThreadRunMode(WorkerId_t workerId)
    {
        return ThreadPool::GetThreadRunMode(workerId);
    }
}