/*******************************************************************************
    OpenAirInterface
    Copyright(c) 1999 - 2014 Eurecom

    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.


    OpenAirInterface is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with OpenAirInterface.The full GNU General Public License is
   included in this distribution in the file called "COPYING". If not,
   see <http://www.gnu.org/licenses/>.

  Contact Information
  OpenAirInterface Admin: openair_admin@eurecom.fr
  OpenAirInterface Tech : openair_tech@eurecom.fr
  OpenAirInterface Dev  : openair4g-devel@eurecom.fr

  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE

 *******************************************************************************/
#ifdef USER_MODE

#include <string.h>
#include <stdio.h>
#include <stdlib.h>


int write_output(const char *fname,const char *vname,void *data,int length,int dec,char format)
{

  FILE *fp=NULL;
  int i;


  printf("Writing %d elements of type %d to %s\n",length,format,fname);


  if (format == 10 || format ==11 || format == 12 ) {
    fp = fopen(fname,"a+");
  } else if (format != 10 && format !=11  && format != 12 ) {
    fp = fopen(fname,"w+");
  }



  if (fp== NULL) {
    printf("[OPENAIR][FILE OUTPUT] Cannot open file %s\n",fname);
    return(-1);
  }

  if (format != 10 && format !=11  && format != 12 )
    fprintf(fp,"%s = [",vname);


  switch (format) {
  case 0:   // real 16-bit

    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%d\n",((short *)data)[i]);
    }

    break;

  case 1:  // complex 16-bit


    for (i=0; i<length<<1; i+=(2*dec)) {
      fprintf(fp,"%d + j*(%d)\n",((short *)data)[i],((short *)data)[i+1]);

    }


    break;

  case 2:  // real 32-bit
    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%d\n",((int *)data)[i]);
    }

    break;

  case 3: // complex 32-bit
    for (i=0; i<length<<1; i+=(2*dec)) {
      fprintf(fp,"%d + j*(%d)\n",((int *)data)[i],((int *)data)[i+1]);
    }

    break;

  case 4: // real 8-bit
    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%d\n",((char *)data)[i]);
    }

    break;

  case 5: // complex 8-bit
    for (i=0; i<length<<1; i+=(2*dec)) {
      fprintf(fp,"%d + j*(%d)\n",((char *)data)[i],((char *)data)[i+1]);
    }

    break;

  case 6:  // real 64-bit
    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%lld\n",((long long*)data)[i]);
    }

    break;

  case 7: // real double
    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%g\n",((double *)data)[i]);
    }

    break;

  case 8: // complex double
    for (i=0; i<length<<1; i+=2*dec) {
      fprintf(fp,"%g + j*(%g)\n",((double *)data)[i], ((double *)data)[i+1]);
    }

    break;

  case 9: // real unsigned 8-bit
    for (i=0; i<length; i+=dec) {
      fprintf(fp,"%d\n",((unsigned char *)data)[i]);
    }

    break;


  case 10 : // case eren 16 bit complex :

    for (i=0; i<length<<1; i+=(2*dec)) {

      if((i < 2*(length-1)) && (i > 0))
        fprintf(fp,"%d + j*(%d),",((short *)data)[i],((short *)data)[i+1]);
      else if (i == 2*(length-1))
        fprintf(fp,"%d + j*(%d);",((short *)data)[i],((short *)data)[i+1]);
      else if (i == 0)
        fprintf(fp,"\n%d + j*(%d),",((short *)data)[i],((short *)data)[i+1]);



    }

    break;

  case 11 : //case eren 16 bit real for channel magnitudes:
    for (i=0; i<length; i+=dec) {

      if((i <(length-1))&& (i > 0))
        fprintf(fp,"%d,",((short *)data)[i]);
      else if (i == (length-1))
        fprintf(fp,"%d;",((short *)data)[i]);
      else if (i == 0)
        fprintf(fp,"\n%d,",((short *)data)[i]);
    }

    printf("\n erennnnnnnnnnnnnnn: length :%d",length);
    break;

  case 12 : // case eren for log2_maxh real unsigned 8 bit
    fprintf(fp,"%d \n",((unsigned char *)&data)[0]);
    break;


  }

  if (format != 10 && format !=11 && format !=12 ) {
    fprintf(fp,"];\n");
    fclose(fp);
    return(0);
  } else if (format == 10 || format ==11 || format == 12 ) {
    fclose(fp);
    return(0);
  }

  return 0;
}

#endif // USER_MODE
