// Copyright (c) 2022 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.
#include "fastdeploy/pybind/main.h"

namespace fastdeploy {
void BindPPSeg(pybind11::module& m) {
  pybind11::class_<vision::segmentation::PaddleSegPreprocessor>(
      m, "PaddleSegPreprocessor")
      .def(pybind11::init<std::string>())
      .def("run",
           [](vision::segmentation::PaddleSegPreprocessor& self,
              std::vector<pybind11::array>& im_list) {
             std::vector<vision::FDMat> images;
             for (size_t i = 0; i < im_list.size(); ++i) {
                images.push_back(vision::WrapMat(PyArrayToCvMat(im_list[i])));
              }
             // Record the shape of input images
             std::map<std::string, std::vector<std::array<int, 2>>> imgs_info;
             std::vector<FDTensor> outputs;
             if (!self.Run(&images, &outputs, &imgs_info)) {
              throw std::runtime_error("Failed to preprocess the input data in PaddleSegPreprocessor.");
             }
             for (size_t i = 0; i < outputs.size(); ++i) {
               outputs[i].StopSharing();
             }
             return make_pair(outputs, imgs_info);;
           })
      .def("disable_normalize", [](vision::segmentation::PaddleSegPreprocessor& self) {
        self.DisableNormalize();
      })
      .def("disable_permute", [](vision::segmentation::PaddleSegPreprocessor& self) {
        self.DisablePermute();
      })
      .def_property("is_vertical_screen",
                     &vision::segmentation::PaddleSegPreprocessor::GetIsVerticalScreen,
		     &vision::segmentation::PaddleSegPreprocessor::SetIsVerticalScreen);

  pybind11::class_<vision::segmentation::PaddleSegModel, FastDeployModel>(
      m, "PaddleSegModel")
      .def(pybind11::init<std::string, std::string, std::string, RuntimeOption,
                          ModelFormat>())
      .def("clone", [](vision::segmentation::PaddleSegModel& self) {
        return self.Clone();
      })
      .def("predict",
           [](vision::segmentation::PaddleSegModel& self,
              pybind11::array& data) {
             auto mat = PyArrayToCvMat(data);
             vision::SegmentationResult res;
             self.Predict(&mat, &res);
             return res;
           })
      .def("batch_predict",
           [](vision::segmentation::PaddleSegModel& self, std::vector<pybind11::array>& data) {
             std::vector<cv::Mat> images;
             for (size_t i = 0; i < data.size(); ++i) {
              images.push_back(PyArrayToCvMat(data[i]));
             }
             std::vector<vision::SegmentationResult> results;
             self.BatchPredict(images, &results);
             return results;
           })
      .def_property_readonly("preprocessor", &vision::segmentation::PaddleSegModel::GetPreprocessor)
      .def_property_readonly("postprocessor", &vision::segmentation::PaddleSegModel::GetPostprocessor);

  pybind11::class_<vision::segmentation::PaddleSegPostprocessor>(
      m, "PaddleSegPostprocessor")
      .def(pybind11::init<std::string>())
      .def("run", 
           [](vision::segmentation::PaddleSegPostprocessor& self, 
              std::vector<FDTensor>& inputs,
              const std::map<std::string, std::vector<std::array<int, 2>>>& imgs_info) {
        std::vector<vision::SegmentationResult> results;
        if (!self.Run(inputs, &results, imgs_info)) {
          throw std::runtime_error("Failed to postprocess the runtime result in PaddleSegPostprocessor.");
        }
        return results;
      })
      .def("run",
           [](vision::segmentation::PaddleSegPostprocessor& self,
              std::vector<pybind11::array>& input_array,
              const std::map<std::string, std::vector<std::array<int, 2>>>& imgs_info) {
        std::vector<vision::SegmentationResult> results;
        std::vector<FDTensor> inputs;
        PyArrayToTensorList(input_array, &inputs, /*share_buffer=*/true);
        if (!self.Run(inputs, &results, imgs_info)) {
          throw std::runtime_error("Failed to postprocess the runtime result in PaddleSegPostprocessor.");
        }
        return results;
      })
      .def_property("apply_softmax",
                    &vision::segmentation::PaddleSegPostprocessor::GetApplySoftmax,
		    &vision::segmentation::PaddleSegPostprocessor::SetApplySoftmax)
      .def_property("store_score_map",
                    &vision::segmentation::PaddleSegPostprocessor::GetStoreScoreMap,
		    &vision::segmentation::PaddleSegPostprocessor::SetStoreScoreMap);
}
}  // namespace fastdeploy