#include <vtkSmartPointer.h>
#include <vtkOBJReader.h>

#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkProperty.h>
#include <vtkCamera.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkNamedColors.h>

#include <string>

int main(int argc, char* argv[])
{
  // Parse command line arguments
  if(argc != 2)
  {
    std::cout << "Usage: " << argv[0] << "Filename(.obj) e.g trumpet.obj " << std::endl;
    return EXIT_FAILURE;
  }

  std::string filename = argv[1];
  vtkSmartPointer<vtkOBJReader> reader =
    vtkSmartPointer<vtkOBJReader>::New();
  reader->SetFileName(filename.c_str());
  reader->Update();

  // Visualize
  vtkSmartPointer<vtkNamedColors> colors =
    vtkSmartPointer<vtkNamedColors>::New();
  vtkColor3d backgroundColor = colors->GetColor3d("SpringGreen");
  vtkColor3d actorColor      = colors->GetColor3d("HoneyDew");

  vtkSmartPointer<vtkPolyDataMapper> mapper =
    vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(reader->GetOutputPort());

  vtkSmartPointer<vtkActor> actor =
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
  actor->GetProperty()->SetDiffuseColor(actorColor.GetData());

  vtkSmartPointer<vtkRenderer> renderer =
    vtkSmartPointer<vtkRenderer>::New();
  renderer->AddActor(actor);
  renderer->SetBackground(backgroundColor.GetData());
  renderer->ResetCamera();
  renderer->GetActiveCamera()->Azimuth(30);
  renderer->GetActiveCamera()->Elevation(30);
  renderer->GetActiveCamera()->Dolly(1.5);
  renderer->ResetCameraClippingRange();

  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);

  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);

  renderWindow->SetSize(640, 480);
  renderWindow->Render();

  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}