/*
 Copyright (C) AC SOFTWARE SP. Z O.O.

 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "binary.h"

#include <supla/time.h>

Supla::Sensor::Binary::Binary(Supla::Io::IoPin inputPin)
    : inputPin(inputPin) {
  this->inputPin.setMode(INPUT);
}

Supla::Sensor::Binary::Binary(Supla::Io::Base *io,
                              int pin,
                              bool pullUp,
                              bool invertLogic)
    : Binary(Supla::Io::IoPin(pin, io)) {
  inputPin.setPullUp(pullUp);
  inputPin.setActiveHigh(!invertLogic);
}

Supla::Sensor::Binary::Binary(int pin, bool pullUp, bool invertLogic)
    : Binary(Supla::Io::IoPin(pin)) {
  inputPin.setPullUp(pullUp);
  inputPin.setActiveHigh(!invertLogic);
}

bool Supla::Sensor::Binary::getValue() {
  auto value = inputPin.readActive(channel.getChannelNumber());

  if (config.filteringTimeMs > 0) {
    if (value != newStateCandidateValue) {
      newStateCandidateValue = value;
      lastStateChangeMs = millis();
      return prevValue;
    } else if (millis() - lastStateChangeMs > config.filteringTimeMs) {
      value = newStateCandidateValue;
      prevValue = value;
      return value;
    } else {
      return prevValue;
    }
  }

  return value;
}

void Supla::Sensor::Binary::onInit() {
  inputPin.pinMode(channel.getChannelNumber());
  channel.setNewValue(getValue());
}
