/****************************************************************************
 * This file is part of the project AqHome.
 * AqHome (c) by 2024 Martin Preuss, all rights reserved.
 *
 * The license for this file can be found in the file COPYING which you
 * should have received along with this file.
 ****************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "./u_varchanges.h"

#include <gwenhywfar/debug.h>



/* ------------------------------------------------------------------------------------------------
 * defines
 * ------------------------------------------------------------------------------------------------
 */

#define AQHOMEREACT_UNIT_VARCHANGES_INSLOT_CHANGE  0

#define AQHOMEREACT_UNIT_VARCHANGES_OUTSLOT_RESULT 0



/* ------------------------------------------------------------------------------------------------
 * forward declarations
 * ------------------------------------------------------------------------------------------------
 */

static void _cbInputData(AQHREACT_UNIT *unit, int slotIdForUnit, const AQHREACT_DATAOBJECT *dataObject);



/* ------------------------------------------------------------------------------------------------
 * implementations
 * ------------------------------------------------------------------------------------------------
 */

AQHREACT_UNIT *AqHomeReact_UnitVarChanges_new(AQHOME_REACT *aqh)
{
  AQHREACT_UNIT *unit;
  AQHREACT_OUTPUT_SLOT *outputSlot;
  AQHREACT_INPUT_SLOT *inputSlot;

  unit=AQHREACT_Unit_new();
  AQHREACT_Unit_SetName(unit, "varchanges");
  AQHREACT_Unit_SetDescription(unit, "Propagates changes of values on the data server");
  AQHREACT_Unit_SetInputDataFn(unit, _cbInputData);

  outputSlot=AQHREACT_OutputSlot_new();
  AQHREACT_OutputSlot_SetName(outputSlot, "output");
  AQHREACT_OutputSlot_SetIdForUnit(outputSlot, AQHOMEREACT_UNIT_VARCHANGES_OUTSLOT_RESULT);
  AQHREACT_OutputSlot_SetEmittedDataType(outputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
  AQHREACT_Unit_AddOutputSlot(unit, outputSlot);

  inputSlot=AQHREACT_InputSlot_new();
  AQHREACT_InputSlot_SetName(inputSlot, "input");
  AQHREACT_InputSlot_SetIdForUnit(inputSlot, AQHOMEREACT_UNIT_VARCHANGES_INSLOT_CHANGE);
  AQHREACT_InputSlot_SetAcceptedDataType(inputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
  AQHREACT_Unit_AddInputSlot(unit, inputSlot);

  return unit;
}




void _cbInputData(AQHREACT_UNIT *unit, int slotIdForUnit, const AQHREACT_DATAOBJECT *dataObject)
{
  if (unit && dataObject && slotIdForUnit==0)
    AQHREACT_Unit_OutputData(unit, AQHOMEREACT_UNIT_VARCHANGES_OUTSLOT_RESULT, dataObject);
}