/*
 * Copyright (c) 2017, Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#pragma once
#include "runtime/command_stream/linear_stream.h"
#include "runtime/indirect_heap/indirect_heap.h"
#include "runtime/utilities/iflist.h"
#include "runtime/helpers//completion_stamp.h"

#include <memory>
#include <vector>

namespace OCLRT {
class CommandQueue;
class CommandStreamReceiver;
class Kernel;
class MemObj;
class Surface;
class PrintfHandler;
struct HwTimeStamps;

enum MapOperationType {
    MAP,
    UNMAP
};

class Command : public IFNode<Command> {
  public:
    // returns command's taskCount obtained from completion stamp
    //   as acquired from command stream receiver
    virtual CompletionStamp &submit(uint32_t taskLevel, bool terminated) = 0;

    virtual ~Command() = default;
    virtual LinearStream *getCommandStream() {
        return nullptr;
    }
    HwTimeStamps *timestamp = nullptr;
    CompletionStamp completionStamp = {};
};

class CommandMapUnmap : public Command {
  public:
    CommandMapUnmap(MapOperationType op, MemObj &memObj, CommandStreamReceiver &csr, CommandQueue &cmdQ);
    ~CommandMapUnmap() override;
    CompletionStamp &submit(uint32_t taskLevel, bool terminated) override;

  private:
    MemObj &memObj;
    CommandStreamReceiver &csr;
    CommandQueue &cmdQ;
    MapOperationType op;
};

struct KernelOperation {
    KernelOperation(std::unique_ptr<LinearStream> commandStream, std::unique_ptr<IndirectHeap> dsh, std::unique_ptr<IndirectHeap> ish,
                    std::unique_ptr<IndirectHeap> ioh, std::unique_ptr<IndirectHeap> ssh)
        : commandStream(std::move(commandStream)), dsh(std::move(dsh)),
          ish(std::move(ish)), ioh(std::move(ioh)), ssh(std::move(ssh)),
          instructionHeapSizeEM(0), surfaceStateHeapSizeEM(0), doNotFreeISH(false) {
    }

    ~KernelOperation();

    std::unique_ptr<LinearStream> commandStream;
    std::unique_ptr<IndirectHeap> dsh;
    std::unique_ptr<IndirectHeap> ish;
    std::unique_ptr<IndirectHeap> ioh;
    std::unique_ptr<IndirectHeap> ssh;

    size_t instructionHeapSizeEM;
    size_t surfaceStateHeapSizeEM;
    bool doNotFreeISH;
};

class CommandComputeKernel : public Command {
  public:
    CommandComputeKernel(CommandQueue &commandQueue, CommandStreamReceiver &commandStreamReceiver,
                         std::unique_ptr<KernelOperation> kernelResources, std::vector<Surface *> &surfaces, bool flushDC, bool usesSLM, bool ndRangeKernel, std::unique_ptr<PrintfHandler> printfHandler, Kernel *kernel = nullptr, uint32_t kernelCount = 0);

    ~CommandComputeKernel() override;

    CompletionStamp &submit(uint32_t taskLevel, bool terminated) override;

    LinearStream *getCommandStream() override {
        return kernelOperation->commandStream.get();
    }

  private:
    CommandQueue &commandQueue;
    CommandStreamReceiver &commandStreamReceiver;
    std::unique_ptr<KernelOperation> kernelOperation;
    std::vector<Surface *> surfaces;
    bool flushDC;
    bool slmUsed;
    bool NDRangeKernel;
    std::unique_ptr<PrintfHandler> printfHandler;
    Kernel *kernel;
    uint32_t kernelCount;
};

class CommandMarker : public Command {
  public:
    CommandMarker(CommandQueue &cmdQ, CommandStreamReceiver &csr, unsigned int clCommandType, unsigned int commandSize)
        : cmdQ(cmdQ), csr(csr), clCommandType(clCommandType), commandSize(commandSize) {
    }

    CompletionStamp &submit(uint32_t taskLevel, bool terminated) override;

  private:
    CommandQueue &cmdQ;
    CommandStreamReceiver &csr;
    unsigned int clCommandType;
    unsigned int commandSize;
};
} // namespace OCLRT