/* Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.

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. */

#pragma once

#include <stdio.h>
#include <vector>

#include "lite/backends/fpga/KD/llapi/zynqmp_api.h"
#include "lite/backends/fpga/KD/tensor.hpp"

namespace paddle {
namespace zynqmp {

struct ReLUParam {
 public:
  bool enabled = false;
};

struct PEParam {
  ReLUParam relu;
};

struct InputParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
};

struct OutputParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
};

struct BatchnormParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;

  Tensor* bias = nullptr;
  Tensor* scale = nullptr;
  Tensor* mean = nullptr;
  Tensor* variance = nullptr;
  float epsilon = 0;
};

struct BasicConvParam {
  Tensor input;
  Tensor output;
  Tensor filter;
  Tensor scaleBias;
  ConvArgs args;
};

struct ConvParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
  Tensor* filter = nullptr;

  int groups = 1;
  std::vector<int> strides;
  std::vector<int> paddings;
  std::vector<int> kernelSize;
  std::vector<int> dilations;

  Tensor* scale() { return scale_; }

  Tensor* bias() { return bias_; }

  std::vector<BasicConvParam*>& splitParams() { return splitParams_; }

 protected:
  std::vector<BasicConvParam*> splitParams_;
  Tensor* scale_ = new Tensor();
  Tensor* bias_ = new Tensor();
};

struct DepthwiseConvParam : ConvParam {
 public:
  Tensor* quantizedFilter() { return quantizedFilter_; }

  DWconvArgs args;

 protected:
  Tensor* quantizedFilter_ = new Tensor();
};

enum PoolingType : int {
  MAX = 0,
  AVERAGE = 1,
};

struct PoolingParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;

  PoolingType type = PoolingType::MAX;
  bool globalPooling = false;
  std::vector<int> kernelSize;
  std::vector<int> strides;
  std::vector<int> paddings;

  PoolingArgs poolingArgs = {0};
};

struct ConcatParam : PEParam {
 public:
  std::vector<Tensor*> inputs;
  Tensor* output;
  int axis = 0;
};

struct ElementwiseAddParam : PEParam {
 public:
  std::vector<Tensor*> inputs;
  Tensor* output = nullptr;
  int axis = 0;

  EWAddArgs ewargs;
};

struct FullyConnectedParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* filter = nullptr;
  Tensor* bias = nullptr;
  Tensor* output = nullptr;

  Tensor* quantizedFilter() { return quantizedFilter_; }

  Tensor* biasScale() { return biasScale_; }

 protected:
  Tensor* quantizedFilter_ = new Tensor();
  Tensor* biasScale_ = new Tensor();
};

struct SoftmaxParam : PEParam {
 public:
  Tensor* input = nullptr;

  Tensor* output = nullptr;

 private:
  Tensor* floatInput = nullptr;
};

struct SplitParam : PEParam {
 public:
  Tensor* input = nullptr;
  std::vector<Tensor*> outputs;
  int axis = 1;
  int num = 1;
};

struct NormParam : PEParam {
 public:
  Tensor* input = nullptr;

  Tensor* output = nullptr;
  float epsilon = 0;

 private:
  Tensor* floatInput = nullptr;
};

struct PriorBoxParam : PEParam {
  Tensor* input;
  Tensor* image;
  Tensor* outputBoxes;
  Tensor* outputVariances;

  std::vector<float> minSizes;
  std::vector<float> maxSizes;
  std::vector<float> aspectRatios;
  std::vector<float> variances;

  bool minMaxAspectRatiosOrder;
  bool flip;
  bool clip;
  float stepW;
  float stepH;
  float offset;
};

struct ScaleParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
  Tensor* scale = nullptr;
  Tensor* bias = nullptr;

  Tensor* alignedScale() { return alignedScale_; }

  Tensor* alignedBias() { return alignedBias_; }

  ScaleArgs args = {0};

 protected:
  Tensor* alignedScale_ = new Tensor();
  Tensor* alignedBias_ = new Tensor();
};

struct ResizeParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
};

struct CropParam : PEParam {
 public:
  Tensor* input = nullptr;
  Tensor* output = nullptr;
  int axis = 2;
  std::vector<int> offsets;
  std::vector<int> shape;
};
}  // namespace zynqmp
}  // namespace paddle