//#include "ep_lib.hpp"
#include "ep_lib_fortran.hpp"
#include <mpi.h>
#include <map>
#include <utility>

#ifdef _intelmpi
#undef MPI_Comm_f2c(comm)
#undef MPI_Comm_c2f(comm)
#endif

#ifdef _openmpi
//#undef MPI_Fint
#endif

namespace ep_lib
{

  int EP_Comm_c2f(MPI_Comm comm)
  {
    Debug("MPI_Comm_c2f");
    int fint;
    #ifdef _intelmpi
    fint = (::MPI_Fint)(comm.mpi_comm);
    #elif _openmpi
    fint = ::MPI_Comm_c2f(static_cast< ::MPI_Comm>(comm.mpi_comm));
    #endif
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(fint, omp_get_thread_num()));
    if(it == fc_comm_map.end())
    {
      fc_comm_map.insert(std::make_pair( std::make_pair( fint, omp_get_thread_num()) , comm));
      //printf("EP_Comm_c2f : MAP insert: %d, %d, %p\n", fint, omp_get_thread_num(), &comm);
    }
    
    
    return fint;
    
  }

  MPI_Comm EP_Comm_f2c(int comm)
  {
    Debug("MPI_Comm_f2c");
    
    
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(comm, omp_get_thread_num()));
    if(it != fc_comm_map.end())
    {
      MPI_Comm comm_ptr;
      comm_ptr =  it->second;
      //printf("EP_Comm_f2c : MAP find: %d, %d, %p\n", it->first.first, it->first.second, &comm_ptr);
      return  comm_ptr;
    }
    else
    {      
      MPI_Comm return_comm;
      return_comm.mpi_comm = ::MPI_Comm_f2c(comm);
      return return_comm;
    }
  }

  #ifdef _intelmpi

  MPI_Fint MPI_Comm_c2f(MPI_Comm comm)
  {
    Debug("MPI_Comm_c2f");
    int fint;
    fint = (::MPI_Fint)(comm.mpi_comm);
    
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(fint, omp_get_thread_num()));
    if(it == fc_comm_map.end())
    {
      fc_comm_map.insert(std::make_pair( std::make_pair( fint, omp_get_thread_num()) , comm));
      printf("MAP insert: %d, %d, %p\n", fint, omp_get_thread_num(), &comm);
    }
    
    MPI_Fint Fint;
    Fint.mpi_fint = fint;
    return Fint;
    
  }

  


  MPI_Comm MPI_Comm_f2c(MPI_Fint comm)
  {
    Debug("MPI_Comm_f2c");
    
    
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(comm.mpi_fint, omp_get_thread_num()));
    if(it != fc_comm_map.end())
    {
      MPI_Comm comm_ptr;
      comm_ptr =  it->second;
      printf("MAP find: %d, %d, %p\n", it->first.first, it->first.second, &comm_ptr);
      return  comm_ptr;
    }
    else
    {      
      MPI_Comm return_comm;
      return_comm.mpi_comm = (::MPI_Comm)(comm.mpi_fint);
      return return_comm;
    }
  }

  

  #elif _openmpi
  
  int MPI_Comm_c2f(MPI_Comm comm)
  {
    Debug("MPI_Comm_c2f");
    int fint;
    fint = ::MPI_Comm_c2f(static_cast< ::MPI_Comm>(comm.mpi_comm));
    
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(fint, omp_get_thread_num()));
    if(it == fc_comm_map.end())
    {
      fc_comm_map.insert(std::make_pair( std::make_pair( fint, omp_get_thread_num()) , comm));
      printf("MAP insert: %d, %d, %p\n", fint, omp_get_thread_num(), &comm);
    }
    
    return fint;
    
  }

  ep_lib::MPI_Comm MPI_Comm_f2c(MPI_Fint comm)
  {
    Debug("MPI_Comm_f2c");
    
    
    std::map<std::pair<int, int>, MPI_Comm  > ::iterator it;
    
    it = fc_comm_map.find(std::make_pair(comm, omp_get_thread_num()));
    if(it != fc_comm_map.end())
    {
      MPI_Comm comm_ptr;
      comm_ptr =  it->second;
      printf("MAP find: %d, %d, %p\n", it->first.first, it->first.second, &comm_ptr);
      return  comm_ptr;
    }
    else
    {      
      MPI_Comm return_comm;
      return_comm.mpi_comm = (::MPI_Comm)(comm);
      return return_comm;
    }
  }
  #endif

}