#include <igl/readOBJ.h>

// Comment following line if you are on MacOSX or Linux.
//#define WINDOWS_OS
#ifdef WINDOWS_OS
#include <direct.h>
#define GetCurrentWorkingDirectory _getcwd
#else
#include <unistd.h>
#define GetCurrentWorkingDirectory getcwd
#endif // WINDOWS_OS

using namespace std;
using namespace igl;
using namespace Eigen;

int main(int argc, char *argv[])
{
  string filename;
  if (argc == 2)
  {
    filename = argv[1];
  }
  else
  {
    cout << "USAGE: exemple_bin.exe <OBJ file name>" << endl;
    return( 0 );
  }
  
  Eigen::MatrixXd V;
  Eigen::MatrixXi F;

  if (!readOBJ(filename, V, F))
  {
    const int bufferSize = 1024;
    char currentPath[bufferSize];
    GetCurrentWorkingDirectory(currentPath, bufferSize);
    cout << "ERROR: Unable to open file " << filename 
         << " from folder " << currentPath << endl;
    return( 0 );
  } 

  /* 1st ring faces */

  cout << "1ST RING FACES" << endl;

  cout << "VertexIndex " << 1 << endl;
  cout << "NbNeighborFaces=" << 1 << endl;
  cout << "RingFaces";
  cout << ", " << 1;
  cout << endl;

  /* 1st ring vertices */

  cout << endl << "1ST RING VERTICES" << endl;

  cout << "VertexIndex " << 1 << endl;
  cout << "NbNeighborVertices=" << 1 << endl;
  cout << "RingVertices";
  cout << ", " << 1;
  cout << endl;

  /* Faces are oriented consistently */

  cout << endl << "EDGE CHECKS" << endl;
  cout << "Edge(" << 1 << ", " << 2 << "), non-manifold" << endl;
  cout << "Edge(" << 1 << ", " << 2 << "), boundary " << endl;

  cout << "TotalNonManifoldEdges, " << 1 << endl;
  cout << "TotalBoundaryEdges, " << 1 << endl;

  return 1;
}