"""
ThermalControl module
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Project Author Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
"""
from typing import Union
from city_model_structure.attributes.schedule import Schedule


class ThermalControl:
  """
  ThermalControl class
  """
  def __init__(self):
    self._heating_set_point = None
    self._cooling_set_point = None
    self._hvac_availability = None
    self._heating_set_back = None

  @property
  def heating_set_point(self) -> Union[None, Schedule]:
    """
    Get heating set point defined for a thermal zone in Celsius
    :return: None or Schedule
    """
    return self._heating_set_point

  @heating_set_point.setter
  def heating_set_point(self, value):
    """
    Set heating set point defined for a thermal zone in Celsius
    :param value: Schedule
    """
    self._heating_set_point = value

  @property
  def heating_set_back(self) -> Union[None, float]:
    """
    Get heating set back defined for a thermal zone in Celsius
    Heating set back is the only parameter which is not a schedule as it is either one value or it is implicit in the
    set point schedule
    :return: None or float
    """
    return self._heating_set_back

  @heating_set_back.setter
  def heating_set_back(self, value):
    """
    Set heating set back defined for a thermal zone in Celsius
    :param value: float
    """
    if value is not None:
      self._heating_set_back = float(value)

  @property
  def cooling_set_point(self) -> Union[None, Schedule]:
    """
    Get cooling set point defined for a thermal zone in Celsius
    :return: None or Schedule
    """
    return self._cooling_set_point

  @cooling_set_point.setter
  def cooling_set_point(self, value):
    """
    Set cooling set point defined for a thermal zone in Celsius
    :param value: Schedule
    """
    self._cooling_set_point = value

  @property
  def hvac_availability(self) -> Union[None, Schedule]:
    """
    Get the availability of the conditioning system defined for a thermal zone
    :return: None or Schedule
    """
    return self._hvac_availability

  @hvac_availability.setter
  def hvac_availability(self, value):
    """
    Set the availability of the conditioning system defined for a thermal zone
    :param value: Schedule
    """
    self._hvac_availability = value