/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

/*!
 * \file device_task_context.h
 * \brief
 */

#pragma once

#include "machine/device/dynamic/context/device_stitch_context.h"
#include "machine/utils/dynamic/dev_workspace.h"
#include "../device_trace.h"

namespace npu::tile_fwk::dynamic {
struct DeviceTaskContext {
    void InitAllocator(
        DevAscendProgram* devProg, DeviceWorkspaceAllocator& workspace, npu::tile_fwk::DevStartArgsBase* startArgs);

    DynDeviceTask* BuildDeviceTaskData(
        DeviceStitchContext& stitchContext, uint32_t taskId, DevAscendProgram* devProg, bool withoutTail);

    void ReleaseFinishedTasks(int perfEvtReleaseFinishTask, int perfEvtDeallocateTask);

    void AppendFinishTask(DynDeviceTask* dynTask);

    void ShowStats();

    void UpdateReadyTaskNum(uint64_t cnt) { readyTaskNum += cnt; }

private:
    uint64_t stitchedFuncNum{0};
    uint64_t rootFuncNum{0};
    uint64_t leafFuncNum{0};
    uint64_t readyTaskNum{0};
    uint64_t dynFuncDataSize{0};
    uint64_t leafFuncDataSize{0};

private:
    DevAscendProgram* devProg_{nullptr};
    DeviceWorkspaceAllocator* workspace_{nullptr};
    npu::tile_fwk::DevStartArgsBase* startArgs_{nullptr};

private:
    int BuildReadyQueue(DynDeviceTask* dyntask, DevAscendProgram* devProg);
    void BuildReadyQueueForFunc(
        DynDeviceTask* dyntask, size_t funcIndex, bool isNeedWrap, WrapInfoQueue* wrapQueue, int& wrapTaskNum);
    void ProcessAivBatchTasks(
        ReadyCoreFunctionQueue* aivQueue, size_t totalZeroPredAIVBatchEnd, const predcount_t* dupPredCountList,
        size_t funcIndex);
    void InitReadyCoreFunctionQueue(ReadyCoreFunctionQueue* q, uint32_t capacity);
    int InitReadyQueues(
        DynDeviceTask* dyntask, DevAscendProgram* devProg, ReadyCoreFunctionQueue* queue[READY_QUEUE_SIZE]);
    int ProcessZeroPredTask(DynDeviceTask* dyntask, WrapInfoQueue* wrapQueue, bool isNeedWrap);
    void InitDieReadyQueues(DynDeviceTask* dyntask, DevAscendProgram* devProg);
    void UpdateDeviceTaskQueueInfo(
        DynDeviceTask* dyntask, ReadyCoreFunctionQueue* aicpuQueue, ReadyCoreFunctionQueue* aivQueue,
        ReadyCoreFunctionQueue* aicQueue, WrapInfoQueue* wrapQueue);
    int BuildDynFuncData(
        DynDeviceTask* dyntask, uint32_t taskId, DevAscendFunctionDupped* stitchedList, uint64_t stitchedSize);

    // mix subgraph schedule
    WrapInfoQueue* AllocWrapQueue(DynDeviceTask* dyntask);
    void InitWrapQueueForThread(DynDeviceTask* dyntask);
    void InitWrapOffsetList(DynDeviceTask* dyntask);
    void ProcessWrapQueue(
        DynDeviceTask* dyntask, uint32_t wrapId, int funcIndex, size_t opIndex, WrapInfoQueue* wrapQueue);
    bool IsMixArch(DevAscendProgram* devProg);
    bool IsMultiDie(DevAscendProgram* devProg);
    bool IsNeedWrapProcess(DynDeviceTask* dyntask, DevAscendProgram* devProg);
    inline void doResolve(DynDeviceTask* dyntask, int coreType, size_t funcIdx, size_t succIdx, predcount_t* predList)
    {
        predList[succIdx] -= 1;
        if (predList[succIdx] != 0)
            return;

        if (coreType == static_cast<int>(CoreType::HUB)) {
            DEV_VERBOSE_DEBUG(
                "doResolve hub func %d succindex %d", static_cast<int>(funcIdx), static_cast<int>(succIdx));
            ResolveEarlyDepends(dyntask, funcIdx, succIdx);
        } else {
            int32_t* opWrapList = reinterpret_cast<int32_t*>(dyntask->devTask.mixTaskData.opWrapList[funcIdx]);
            if (dyntask->devTask.mixTaskData.wrapIdNum > 0 && opWrapList[succIdx] != -1) {
                ProcessWrapQueue(
                    dyntask, MakeMixWrapID(funcIdx, static_cast<uint32_t>(opWrapList[succIdx])), funcIdx, succIdx,
                    reinterpret_cast<WrapInfoQueue*>(dyntask->devTask.mixTaskData.readyWrapCoreFunctionQue));
            } else if (IsMultiDie(devProg_) && (GetLoopDieId(dyntask, funcIdx) >= 0)) {
                auto dieId = GetLoopDieId(dyntask, funcIdx);
                auto q = reinterpret_cast<ReadyCoreFunctionQueue*>(
                    dyntask->devTask.dieReadyFunctionQue.readyDieAicCoreFunctionQue[dieId]);
                if (coreType == static_cast<int>(CoreType::AIV)) {
                    q = reinterpret_cast<ReadyCoreFunctionQueue*>(
                        dyntask->devTask.dieReadyFunctionQue.readyDieAivCoreFunctionQue[dieId]);
                }
                q->UnsafeEnqueue(MakeTaskID(funcIdx, succIdx));
            } else {
                auto q = dyntask->readyQueue[dyntask->GetReadyQueueIndexByCoreType(static_cast<CoreType>(coreType))];
                q->UnsafeEnqueue(MakeTaskID(funcIdx, succIdx));
            }
            readyTaskNum++;
        }
    }

    void ResolveEarlyDepends(DynDeviceTask* dyntask, size_t funcIdx, size_t opIdx);

    void ResolveEarlyDepends(DynDeviceTask* dyntask);

public:
    static void DumpReadyQueue(DynDeviceTask* dynTask, const char* prefix);

    static void DumpDepend(
        DynDeviceTask* dyntask, DevAscendProgram* devProg, DevStartArgs* startArgs, const char* prefix);

    int BuildDeviceTaskDataAndReadyQueue(DynDeviceTask* dyntask, uint32_t taskId, DevAscendProgram* devProg);

    inline int8_t GetLoopDieId(DynDeviceTask* dyntask, size_t funcIndex)
    {
        DevAscendFunctionDuppedData* duppedData = dyntask->dynFuncDataCacheList[funcIndex].duppedData;
        auto loopDieId = duppedData->loopDieId_;
        if (loopDieId >= static_cast<int8_t>(DIE_NUM) || loopDieId < -1) {
            loopDieId = -1;
        }
        return loopDieId;
    }
};
} // namespace npu::tile_fwk::dynamic