/****************************************************************************
 * 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_zeroposnegstring.h"

#include <gwenhywfar/debug.h>



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

#define AQHOMEREACT_UNIT_ZEROPOSNEGSTRING_INSLOT_VALUE   0

#define AQHOMEREACT_UNIT_ZEROPOSNEGSTRING_OUTSLOT_RESULT 0



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

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



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

AQHREACT_UNIT *AqHomeReact_UnitZeroPosNegString_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, "zeroPosNegString");
  AQHREACT_Unit_SetDescription(unit, "Translate double value into strings for zero, positive, negative values");
  AQHREACT_Unit_SetInputDataFn(unit, _cbInputData);

  outputSlot=AQHREACT_OutputSlot_new();
  AQHREACT_OutputSlot_SetName(outputSlot, "output");
  AQHREACT_OutputSlot_SetIdForUnit(outputSlot, AQHOMEREACT_UNIT_ZEROPOSNEGSTRING_OUTSLOT_RESULT);
  AQHREACT_OutputSlot_SetEmittedDataType(outputSlot, AQHREACT_DATAOBJECTTYPE_STRING);
  AQHREACT_Unit_AddOutputSlot(unit, outputSlot);

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

  param=AQHREACT_Param_new();
  AQHREACT_Param_SetName(param, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_NEG);
  AQHREACT_Param_SetDataType(param, AQHREACT_DATAOBJECTTYPE_STRING);
  AQHREACT_Unit_AddParam(unit, param);

  param=AQHREACT_Param_new();
  AQHREACT_Param_SetName(param, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_POS);
  AQHREACT_Param_SetDataType(param, AQHREACT_DATAOBJECTTYPE_STRING);
  AQHREACT_Unit_AddParam(unit, param);

  param=AQHREACT_Param_new();
  AQHREACT_Param_SetName(param, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_ZERO);
  AQHREACT_Param_SetDataType(param, AQHREACT_DATAOBJECTTYPE_STRING);
  AQHREACT_Unit_AddParam(unit, param);

  return unit;
}



void _cbInputData(AQHREACT_UNIT *unit, int slotIdForUnit, const AQHREACT_DATAOBJECT *dataObject)
{
  if (unit && dataObject) {
    const char *result=NULL;
    double data;

    data=AQHREACT_DataObject_GetDoubleData(dataObject);
    if (data>0.0)
      result=AQHREACT_Unit_GetParamValueString(unit, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_POS, NULL);
    else if (data<0.0)
      result=AQHREACT_Unit_GetParamValueString(unit, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_NEG, NULL);
    else
      result=AQHREACT_Unit_GetParamValueString(unit, AQHOMEREACT_UNIT_VALUESET_PARAM_VALUE_ZERO, NULL);

    if (result && *result) {
      DBG_DEBUG(NULL, "Sending \"%s\" to output", result);
      AQHREACT_Unit_OutputStringData(unit, AQHOMEREACT_UNIT_ZEROPOSNEGSTRING_OUTSLOT_RESULT, result);
    }
  }
}