/* Copyright (c) 2018 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 "../test_include.h"
#include "operators/mul_op.h"

namespace paddle_mobile {
namespace framework {

template <typename Dtype> class TestMulOp {
public:
  explicit TestMulOp(const Program<Dtype> p) : program_(p) {
    if (use_optimize_) {
      to_predict_program_ = program_.optimizeProgram;
    } else {
      to_predict_program_ = program_.originProgram;
    }

    const std::vector<std::shared_ptr<BlockDesc>> blocks =
        to_predict_program_->Blocks();
    //  DLOG << " **block size " << blocks.size();
    for (int i = 0; i < blocks.size(); ++i) {
      std::shared_ptr<BlockDesc> block_desc = blocks[i];
      std::vector<std::shared_ptr<OpDesc>> ops = block_desc->Ops();
      //    DLOG << " ops " << ops.size();
      for (int j = 0; j < ops.size(); ++j) {
        std::shared_ptr<OpDesc> op = ops[j];
        if (op->Type() == "mul" && op->Input("X")[0] == "pool2d_0.tmp_0") {
          DLOG << " mul attr size: " << op->GetAttrMap().size();
          DLOG << " inputs size: " << op->GetInputs().size();
          DLOG << " outputs size: " << op->GetOutputs().size();
          DLOG << " Input X is : " << op->Input("X")[0];
          DLOG << " Input Y is : " << op->Input("Y")[0];
          DLOG << " Output Out is : " << op->Output("Out")[0];
          DLOG << "x_num_col_dims : "
               << op->GetAttrMap().at("x_num_col_dims").Get<int>();
          DLOG << "y_num_col_dims : "
               << op->GetAttrMap().at("y_num_col_dims").Get<int>();

          std::shared_ptr<operators::MulOp<Dtype, float>> mul =
              std::make_shared<operators::MulOp<Dtype, float>>(
                  op->Type(), op->GetInputs(), op->GetOutputs(),
                  op->GetAttrMap(), program_.scope);
          ops_of_block_[*block_desc.get()].push_back(mul);
        }
      }
    }
  }

  std::shared_ptr<Tensor> predict_mul(Tensor &t1, Tensor &t2) {
    // feed
    auto scope = program_.scope;
    Variable *x_feed_value = scope->Var("pool2d_0.tmp_0");
    auto tensor_x = x_feed_value->GetMutable<Tensor>();
    tensor_x->ShareDataWith(t1);

    Variable *y_feed_value = scope->Var("fc_0.w_0");
    auto tensor_y = y_feed_value->GetMutable<Tensor>();
    tensor_y->ShareDataWith(t2);

    Variable *con_output = scope->Var("fc_0.tmp_0");
    auto *output_tensor = con_output->GetMutable<Tensor>();
    output_tensor->mutable_data<float>({3, 3});
    //  DLOG << typeid(output_tensor).name();
    //  DLOG << "output_tensor dims: " << output_tensor->dims();

    std::shared_ptr<Tensor> out_tensor = std::make_shared<LoDTensor>();
    out_tensor.reset(output_tensor);

    predict_mul(t1, t2, 0);
    return out_tensor;
  }

private:
  const framework::Program<Dtype> program_;
  std::shared_ptr<ProgramDesc> to_predict_program_;
  std::map<framework::BlockDesc,
           std::vector<std::shared_ptr<OperatorBase<Dtype>>>>
      ops_of_block_;
  bool use_optimize_ = false;

  void predict_mul(const Tensor &t1, const Tensor &t2, int block_id) {
    std::shared_ptr<BlockDesc> to_predict_block =
        to_predict_program_->Block(block_id);
    for (int j = 0; j < ops_of_block_[*to_predict_block.get()].size(); ++j) {
      auto op = ops_of_block_[*to_predict_block.get()][j];
      DLOG << "op -> run()";
      op->Run();
    }
  }
};

template class TestMulOp<CPU>;
} // namespace framework
} // namespace paddle_mobile

int main() {
  DLOG << "----------**********----------";
  DLOG << "begin to run MulOp Test";
  paddle_mobile::Loader<paddle_mobile::CPU> loader;
  auto program =
      loader.Load(std::string("../../test/models/"
                              "image_classification_resnet.inference.model"));

  /// input x (3,2,1,1)
  paddle_mobile::framework::Tensor inputx;
  SetupTensor<float>(&inputx, {3, 2, 1, 1}, static_cast<float>(0),
                     static_cast<float>(1));
  auto *inputx_ptr = inputx.data<float>();

  /// input y (2,3)
  paddle_mobile::framework::Tensor inputy;
  SetupTensor<float>(&inputy, {2, 3}, static_cast<float>(0),
                     static_cast<float>(1));
  auto *inputy_ptr = inputy.data<float>();

  paddle_mobile::framework::TestMulOp<paddle_mobile::CPU> testMulOp(program);

  auto output_mul = testMulOp.predict_mul(inputx, inputy);
  auto *output_mul_ptr = output_mul->data<float>();

  auto dimx_1 = inputx.numel() / inputx.dims()[0];
  DLOG << " inputx : ";
  for (int i = 0; i < inputx.dims()[0]; ++i) {
    for (int j = 0; j < dimx_1; ++j) {
      DLOGF("%f ", inputx_ptr[i * dimx_1 + j]);
    }
    DLOGF("\n");
  }

  auto dimy_1 = inputy.numel() / inputy.dims()[0];
  DLOG << " inputy : ";
  for (int i = 0; i < inputy.dims()[0]; ++i) {
    for (int j = 0; j < dimy_1; ++j) {
      DLOGF("%f ", inputy_ptr[i * dimx_1 + j]);
    }
    DLOGF("\n");
  }

  auto dim_output_1 = output_mul->numel() / output_mul->dims()[0];
  DLOG << " output : ";
  for (int i = 0; i < output_mul->dims()[0]; ++i) {
    for (int j = 0; j < dim_output_1; ++j) {
      DLOGF("%f ", output_mul_ptr[i * dimy_1 + j]);
    }
    DLOGF("\n");
  }

  /// output (3,3)
  DLOG << "output memory size : " << output_mul->memory_size();
  DLOG << "output numel : " << output_mul->numel();

  DLOG << inputx_ptr[0] << " x " << inputy_ptr[0] << " + " << inputx_ptr[1]
       << " x " << inputy_ptr[0 + 3] << " = " << output_mul_ptr[0];
  return 0;
}