/*
 * SPDX-FileCopyrightText: Copyright (c) 1993-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef TRT_MULTILEVEL_CROP_AND_RESIZE_PLUGIN_H
#define TRT_MULTILEVEL_CROP_AND_RESIZE_PLUGIN_H

#include <cuda_runtime_api.h>
#include <string.h>
#include <string>
#include <vector>

#include "NvInfer.h"
#include "NvInferPlugin.h"
#include "common/kernels/maskRCNNKernels.h"
#include "multilevelProposeROI/tlt_mrcnn_config.h"

namespace nvinfer1
{
namespace plugin
{

class MultilevelCropAndResize : public IPluginV2Ext
{
public:
    MultilevelCropAndResize(int32_t pooled_size, nvinfer1::Dims const& image_size);

    MultilevelCropAndResize(void const* data, size_t length);

    ~MultilevelCropAndResize() noexcept override = default;

    int32_t getNbOutputs() const noexcept override;

    Dims getOutputDimensions(int32_t index, Dims const* inputs, int32_t nbInputDims) noexcept override;

    int32_t initialize() noexcept override;

    void terminate() noexcept override;

    void destroy() noexcept override;

    size_t getWorkspaceSize(int32_t) const noexcept override;

    int32_t enqueue(int32_t batch_size, void const* const* inputs, void* const* outputs, void* workspace,
        cudaStream_t stream) noexcept override;

    size_t getSerializationSize() const noexcept override;

    void serialize(void* buffer) const noexcept override;

    bool supportsFormat(DataType type, PluginFormat format) const noexcept override;

    char const* getPluginType() const noexcept override;

    char const* getPluginVersion() const noexcept override;

    IPluginV2Ext* clone() const noexcept override;

    void setPluginNamespace(char const* libNamespace) noexcept override;

    char const* getPluginNamespace() const noexcept override;

    DataType getOutputDataType(
        int32_t index, nvinfer1::DataType const* inputTypes, int32_t nbInputs) const noexcept override;

    void attachToContext(
        cudnnContext* cudnnContext, cublasContext* cublasContext, IGpuAllocator* gpuAllocator) noexcept override;

    void configurePlugin(Dims const* inputDims, int32_t nbInputs, Dims const* outputDims, int32_t nbOutputs,
        DataType const* inputTypes, DataType const* outputTypes, bool const* inputIsBroadcast,
        bool const* outputIsBroadcast, PluginFormat floatFormat, int32_t maxBatchSize) noexcept override;

    void detachFromContext() noexcept override;

private:
    void deserialize(int8_t const* data, size_t length);
    void check_valid_inputs(nvinfer1::Dims const* inputs, int32_t nbInputDims) noexcept;

    xy_t mPooledSize{};
    static const int32_t mFeatureMapCount = 5; // p2, p3, p4, p5, p6(Maxpooling)
    int32_t mFeatureLength{};
    int32_t mROICount{};
    float mThresh{};
    int32_t mInputHeight;
    int32_t mInputWidth{};
    xy_t mFeatureSpatialSize[mFeatureMapCount]{};
    std::string mNameSpace;
    DataType mPrecision{};
};

class MultilevelCropAndResizePluginCreator : public nvinfer1::pluginInternal::BaseCreator
{
public:
    MultilevelCropAndResizePluginCreator() noexcept;

    ~MultilevelCropAndResizePluginCreator() noexcept override {}

    char const* getPluginName() const noexcept override;

    char const* getPluginVersion() const noexcept override;

    PluginFieldCollection const* getFieldNames() noexcept override;

    IPluginV2Ext* createPlugin(char const* name, PluginFieldCollection const* fc) noexcept override;

    IPluginV2Ext* deserializePlugin(char const* name, void const* data, size_t length) noexcept override;

private:
    PluginFieldCollection mFC;
    int32_t mPooledSize;
    std::vector<PluginField> mPluginAttributes;
};
} // namespace plugin
} // namespace nvinfer1
#endif // TRT_MULTILEVEL_CROP_AND_RESIZE_PLUGIN_H