//
// Generating depictions - example10.cpp

#include <iostream>
#include <Geometry/point.h>
#include <GraphMol/SmilesParse/SmilesParse.h>
#include <GraphMol/GraphMol.h>
#include <GraphMol/MolOps.h>
#include <GraphMol/Depictor/RDDepictor.h>
#include <GraphMol/Substruct/SubstructMatch.h>

using namespace RDKit;

int main(int argc, char **argv) {
  auto mol = "c1nccc2n1ccc2"_smiles;
  RDDepict::compute2DCoords(*mol);

#ifdef RDK_BUILD_COORDGEN_SUPPORT
  RDDepict::preferCoordGen = true;
#else
  std::cout << "CoordGen support not available" << std::endl;
#endif

  RDDepict::compute2DCoords(*mol, nullptr, true);

  std::shared_ptr<RDKit::ROMol> templ(RDKit::SmilesToMol("c1nccc2n1ccc2"));
  RDDepict::compute2DCoords(*templ);
  std::shared_ptr<RDKit::ROMol> mol1(RDKit::SmilesToMol("c1cccc2ncn3cccc3c21"));

  MatchVectType matchVect;
  if (SubstructMatch(*mol1, *templ, matchVect)) {
    RDKit::Conformer &conf = templ->getConformer();
    RDGeom::INT_POINT2D_MAP coordMap;
    for (auto mv : matchVect) {
      RDGeom::Point3D pt3 = conf.getAtomPos(mv.first);
      RDGeom::Point2D pt2(pt3.x, pt3.y);
      coordMap[mv.second] = pt2;
    }
    RDDepict::compute2DCoords(*mol1, &coordMap);
  }
}