"""
heat_pump module defines a heat pump
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
"""

from typing import Union


class HeatPump:
  """
  HeatPump class
  """
  def __init__(self):
    self._model = None
    self._cooling_pf = None
    self._cooling_pa = None
    self._cooling_qw = None
    self._heating_pf = None
    self._heating_pa = None
    self._heating_qw = None

  @property
  def model(self):
    """
    Get model name
    :return: str
    """
    return self._model

  @property
  def cooling_pf(self):
    """
    Get cooling capacity in kW
    :return: [[float]]
    """
    return self._cooling_pf

  @cooling_pf.setter
  def cooling_pf(self, value):
    """
    Set cooling capacity in kW
    :param value: [[float]]
    """
    if self._cooling_pf is None:
      self._cooling_pf = value