/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "carevue.h"
#include "cvgateway.h"
#include "ADT_A01msg.h"
#include "ADT_A08msg.h"
#include <logfile.h>
#include <exception.h>
#include <strstream.h>
#include <xios.h>

HL7Message *admit_patient(HL7Message &msg) // ADT^A01
{
  ADT_A01msg &request = (ADT_A01msg &)msg;

  IDtyp bed = request.PatVisit.AssPatLoc.Bed;
  IDtyp adn = request.PatVisit.VisitNum.IdNum;
  strstream cmds; xios _cmds(cmds);
  cmds << hl7er << PGETC "/idb_direct -e 1 -l '" 
    << bed << "' -r '" << adn << "'";
  for(repstruc<OBXseg>*robx=&request.Obs; !robx->end(); robx=robx->next())
    adtobx(cmds, robx->first());
  cmds << ends;
  int ret = runcmd(cmds.str());
  if(ret & IDB_ERR)
    ERROR("%s returned error status %o", cmds.str(), ret);

  if(! (ret & IDB_PAT1))
    { // patient is not yet known (normal case)

      if(ret&IDB_BED1)
	{ // bed is occupied by other patient:
	  // unset the bed thus that CareVue sets patient on the 
	  // waiting list (admission without bed)
	  LOGWARNING("bed occupied, patient will be set on the waiting list");
	  request.PatVisit.AssPatLoc.Bed.unset();
	}

      request.MesHea.RecApp = "ADT";
      request.HpConFigDem = assemble_zdm(request.PatIde, request.PatVisit,
					 request.NextOfKin,
					 request.PatAllInf,
					 request.DiaGno[0],
					 request.Obs);
      request.Obs.unset();
      fix_pid(request.PatIde, request.PatVisit);
      request.PatVisit.DisDis.unset();
      request.PatVisit.DisToLoc.unset();
      HL7Message *response = forward_message(request);

      // commit (fill in obx values if necessary)
      cmds.str()[strlen(cmds.str())] = ' ';
      cmds.freeze(0);
      cmds << "-c" << ends;
      runcmd(cmds.str());
      cmds.freeze(0);
      
      return response;
    }
  else
    { // patient is known already, just update patient information (A08)
      LOGWARNING("patient known already, update the patient information");
      
      ADT_A08msg a08;
      a08.MesHea         = request.MesHea;
      a08.EventType      = request.EventType;
      a08.PatIde         = request.PatIde;
      a08.PatVisit       = request.PatVisit;
      a08.PatVisitAddInf = request.PatVisitAddInf;
      a08.Obs            = request.Obs;
      a08.PatAllInf      = request.PatAllInf;
      a08.DiaGno         = request.DiaGno;
      a08.Pro            = request.Pro;
      a08.Gua            = request.Gua;
      a08.IN1group       = request.IN1group;
      a08.Acc            = request.Acc;
      a08.Ub82Data       = request.Ub82Data;
      a08.Ub92Data       = request.Ub92Data;
      a08.HpConFigDem    = request.HpConFigDem;

      return update_pat_info(a08);
    }
}