/****************************************************************************
 * 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_highpass.h"

#include <gwenhywfar/debug.h>



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

#define AQHOMEREACT_UNIT_HIGHPASS_INSLOT_INPUT   0
#define AQHOMEREACT_UNIT_HIGHPASS_OUTSLOT_OUTPUT 0



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

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



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

AQHREACT_UNIT *AqHomeReact_UnitHighPass_new(AQHOME_REACT *aqh)
{
  AQHREACT_UNIT *unit;
  AQHREACT_OUTPUT_SLOT *outputSlot;
  AQHREACT_INPUT_SLOT *inputSlot;
  AQHREACT_PARAM *param;

  unit=AQHREACT_Unit_new(aqh);
  AQHREACT_Unit_SetName(unit, "highpass");
  AQHREACT_Unit_SetDescription(unit, "Highpass filter for data");
  AQHREACT_Unit_SetInputDataFn(unit, _cbInputData);

  outputSlot=AQHREACT_OutputSlot_new();
  AQHREACT_OutputSlot_SetName(outputSlot, "output");
  AQHREACT_OutputSlot_SetIdForUnit(outputSlot, AQHOMEREACT_UNIT_HIGHPASS_OUTSLOT_OUTPUT);
  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_HIGHPASS_INSLOT_INPUT);
  AQHREACT_InputSlot_SetAcceptedDataType(inputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
  AQHREACT_Unit_AddInputSlot(unit, inputSlot);

  param=AQHREACT_Param_new();
  AQHREACT_Param_SetName(param, AQHOMEREACT_UNIT_HIGHPASS_PARAM_LIMIT);
  AQHREACT_Param_SetDataType(param, AQHREACT_DATAOBJECTTYPE_DOUBLE);
  AQHREACT_Unit_AddParam(unit, param);

  param=AQHREACT_Param_new();
  AQHREACT_Param_SetName(param, AQHOMEREACT_UNIT_HIGHPASS_PARAM_NEWVALUE);
  AQHREACT_Param_SetDataType(param, AQHREACT_DATAOBJECTTYPE_DOUBLE);
  AQHREACT_Unit_AddParam(unit, param);

  return unit;
}



void _cbInputData(AQHREACT_UNIT *unit, int slotIdForUnit, const AQHREACT_DATAOBJECT *dataObject)
{
  if (unit && dataObject && slotIdForUnit==AQHOMEREACT_UNIT_HIGHPASS_INSLOT_INPUT) {
    double data;
    double limit;
    double newValue;

    data=AQHREACT_DataObject_GetDoubleData(dataObject);
    limit=AQHREACT_Unit_GetParamValueDouble(unit, AQHOMEREACT_UNIT_HIGHPASS_PARAM_LIMIT, data);
    newValue=AQHREACT_Unit_GetParamValueDouble(unit, AQHOMEREACT_UNIT_HIGHPASS_PARAM_NEWVALUE, data);
    AQHREACT_Unit_OutputDoubleData(unit, AQHOMEREACT_UNIT_HIGHPASS_OUTSLOT_OUTPUT, (data>=limit)?data:newValue);
  }
}