/*
 * Software License Agreement (BSD License)
 *
 *  Copyright (c) 2010, Willow Garage, Inc.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
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 *  are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
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 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of Willow Garage, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#pragma once

#include <pcl/point_cloud.h>
#include <pcl/point_types.h>
#include <pcl/Vertices.h>

#include <vtkSmartPointer.h>

class vtkPoints;
class vtkCellArray;
class vtkDataArray;

namespace pcl {
namespace modeler {

class CloudMesh {
public:
  using PointT = pcl::PointSurfel;
  using PointCloud = pcl::PointCloud<PointT>;
  using PointCloudPtr = PointCloud::Ptr;
  using PointCloudConstPtr = PointCloud::ConstPtr;
  using Ptr = std::shared_ptr<CloudMesh>;

  CloudMesh();
  CloudMesh(PointCloudPtr cloud);

  PointCloudPtr&
  getCloud()
  {
    return cloud_;
  }
  PointCloudConstPtr
  getCloud() const
  {
    return cloud_;
  }

  std::vector<pcl::Vertices>&
  getPolygons()
  {
    return polygons_;
  }
  const std::vector<pcl::Vertices>&
  getPolygons() const
  {
    return polygons_;
  }

  vtkSmartPointer<vtkPoints>&
  getVtkPoints()
  {
    return vtk_points_;
  }
  const vtkSmartPointer<vtkPoints>&
  getVtkPoints() const
  {
    return vtk_points_;
  }

  vtkSmartPointer<vtkCellArray>&
  getVtkPolygons()
  {
    return vtk_polygons_;
  }
  const vtkSmartPointer<vtkCellArray>&
  getVtkPolygons() const
  {
    return vtk_polygons_;
  }

  std::vector<std::string>
  getAvaiableFieldNames() const;

  bool
  open(const std::string& filename);

  bool
  save(const std::string& filename) const;

  static bool
  save(const std::vector<const CloudMesh*>& cloud_meshes, const std::string& filename);

  void
  getColorScalarsFromField(vtkSmartPointer<vtkDataArray>& scalars,
                           const std::string& field) const;

  void
  updateVtkPoints();

  void
  updateVtkPolygons();

  void
  transform(double tx, double ty, double tz, double rx, double ry, double rz);

protected:
private:
  PointCloudPtr cloud_;
  std::vector<pcl::Vertices> polygons_;

  vtkSmartPointer<vtkPoints> vtk_points_;
  vtkSmartPointer<vtkCellArray> vtk_polygons_;
};

} // namespace modeler
} // namespace pcl
