#pragma once
#include "paddle_api.h"
#include "paddle_inference_api.h"
#include <postprocess_op.h>
#include <preprocess_op.h>
namespace ANSCENTER {
    class DBDetector {
public:
    DBDetector() {}
    bool Initialize(const std::string &model_dir, const bool &use_gpu,
                      const int &gpu_id, const int &gpu_mem,
                      const int &cpu_math_library_num_threads,
                      const bool &use_mkldnn, const std::string &limit_type,
                      const int &limit_side_len, const double &det_db_thresh,
                      const double &det_db_box_thresh,
                      const double &det_db_unclip_ratio,
                      const std::string &det_db_score_mode,
                      const bool &use_dilation, const bool &use_tensorrt,
                      const std::string &precision) {
      try {
          this->use_gpu_ = use_gpu;
          this->gpu_id_ = gpu_id;
          this->gpu_mem_ = gpu_mem;
          this->cpu_math_library_num_threads_ = cpu_math_library_num_threads;
          this->use_mkldnn_ = use_mkldnn;

          this->limit_type_ = limit_type;
          this->limit_side_len_ = limit_side_len;

          this->det_db_thresh_ = det_db_thresh;
          this->det_db_box_thresh_ = det_db_box_thresh;
          this->det_db_unclip_ratio_ = det_db_unclip_ratio;
          this->det_db_score_mode_ = det_db_score_mode;
          this->use_dilation_ = use_dilation;

          this->use_tensorrt_ = use_tensorrt;
          this->precision_ = precision;

          return LoadModel(model_dir); 
      }
    catch (std::exception& e) {
        std::cout << "DBDetector::DBDetector" << e.what() << std::endl;
        return false;
    }
  }
  // Load Paddle inference model
  bool LoadModel(const std::string &model_dir);

  // Run predictor
  void Run(cv::Mat &img, std::vector<std::vector<std::vector<int>>> &boxes);

private:
  std::shared_ptr<paddle_infer::Predictor> predictor_;

  bool use_gpu_ = false;
  int gpu_id_ = 0;
  int gpu_mem_ = 4000;
  int cpu_math_library_num_threads_ = 4;
  bool use_mkldnn_ = false;

  std::string limit_type_ = "max";
  int limit_side_len_ = 960;

  double det_db_thresh_ = 0.3;
  double det_db_box_thresh_ = 0.5;
  double det_db_unclip_ratio_ = 2.0;
  std::string det_db_score_mode_ = "slow";
  bool use_dilation_ = false;

  bool visualize_ = true;
  bool use_tensorrt_ = false;
  std::string precision_ = "fp32";

  std::vector<float> mean_ = {0.485f, 0.456f, 0.406f};
  std::vector<float> scale_ = {1 / 0.229f, 1 / 0.224f, 1 / 0.225f};
  bool is_scale_ = true;

  // pre-process
  ResizeImgType0 resize_op_;
  Normalize normalize_op_;
  Permute permute_op_;

  // post-process
  DBPostProcessor post_processor_;
};
} // namespace ANSCENTER