#include <med.h>
#define MESGERR 1
#include <med_utils.h>
#include <string.h>
int main (int argc, char **argv) {
  med_idt fid;
  char meshname[MED_NAME_SIZE+1]="";
  med_bool localmesh;
  const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
  med_field_type fieldtype;
  char componentname[MED_SNAME_SIZE+1]="";
  char componentunit[MED_SNAME_SIZE+1]="";
  char dtunit[MED_SNAME_SIZE+1]="";
  med_float *values = NULL;
  med_int nstep, nvalues;
  med_int ncomponent = 1;
  med_int csit, numit, numdt, it;
  med_float dt;
  med_geometry_type geotype;
  med_geometry_type *geotypes = MED_GET_CELL_GEOMETRY_TYPE;
  med_int nprofile, pit, profilesize;
  char profilename[MED_NAME_SIZE+1]="";
  med_int nintegrationpoint;
  char localizationname[MED_NAME_SIZE+1]="";
  med_int ninterp=0;
  char interpname[MED_NAME_SIZE+1]="";
  int ret=-1;
  
  fid = MEDfileOpen("UsesCase_MEDfield_10.med",MED_ACC_RDONLY);
  if (fid < 0) {
    MESSAGE("ERROR : open file ...");
    goto ERROR;
  }
  
  
  if (MEDfieldInfoByName(fid, fieldname, meshname, &localmesh, &fieldtype,
                         componentname, componentunit, dtunit, &nstep) < 0) {
    MESSAGE("ERROR : Field info by name ...");
    goto ERROR;
  }
  
  
  if ((ninterp = MEDfieldnInterp(fid, fieldname)) < 0) {
    MESSAGE("ERROR : Read how many interpolation functions for the field ...");
    goto ERROR;
  }
  
  for (it=0; it<ninterp; it++) {
    if (MEDfieldInterpInfo(fid,fieldname,it+1,interpname) < 0) {
      MESSAGE("ERROR : read interpolation family name ...");
      goto ERROR;
    }
  }
  
 
  for (csit=0; csit<nstep; csit++) {
    if (MEDfieldComputingStepInfo(fid, fieldname, csit+1, &numdt, &numit, &dt) < 0) {
      MESSAGE("ERROR : Computing step info ...");
      goto ERROR;
    }
  
    for (it=1; it<=MED_N_CELL_FIXED_GEO; it++) {
      geotype = geotypes[it];
      
      if ((nprofile = MEDfieldnProfile(fid, fieldname, numdt, numit, MED_CELL, geotype,
                                       profilename, localizationname)) < 0) {
        MESSAGE("ERROR : read number of profile ");
        goto ERROR;
      }     
      
      
      for (pit=0; pit<nprofile; pit++) {
        if ((nvalues = MEDfieldnValueWithProfile(fid, fieldname, numdt, numit, MED_CELL, geotype,
                                                 pit+1, MED_COMPACT_PFLMODE, profilename, &profilesize,
                                                 localizationname, &nintegrationpoint)) < 0) {
          MESSAGE("ERROR : read number of values with a profile ...");
          goto ERROR;
        } 
        if (nvalues) {
          if ((values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent*nintegrationpoint)) == NULL) {
            MESSAGE("ERROR : memory allocation ..."); 
            goto ERROR; 
          } 
          if (MEDfieldValueWithProfileRd(fid, fieldname, numdt, numit, MED_CELL, geotype, 
                                         MED_COMPACT_PFLMODE, profilename,   
                                         MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
                                         (unsigned char*) values) < 0) { 
            MESSAGE("ERROR : read fields values for cells ...");  
            free(values);
            goto ERROR;  
          }   
          free(values);
        }
      }
    }
  }
  
  ret=0;
 ERROR:
   
  
  if (MEDfileClose(fid) < 0) {
    MESSAGE("ERROR : close file ...");             
    ret=-1; 
  } 
  return ret;
}