"""
Configuration helper
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
"""
import configparser
from pathlib import Path


class ConfigurationHelper:
  """
  Configuration class
  """
  def __init__(self):
    config_file = Path(Path(__file__).parent.parent / 'config/configuration.ini').resolve()
    self._config = configparser.ConfigParser()
    self._config.read(config_file)

  @property
  def h_i(self):
    """
    Configured internal convective coefficient in W/m2K
    :return: float
    """
    return self._config.getfloat('convective_fluxes', 'h_i')

  @property
  def h_e(self):
    """
    Configured external convective coefficient in W/m2K
    :return: float
    """
    return self._config.getfloat('convective_fluxes', 'h_e')

  @property
  def frame_ratio(self):
    """
    Configured frame ratio
    :return: float
    """
    return self._config.getfloat('windows', 'frame_ratio')

  @property
  def heated(self):
    """
    Configured heated flag
    :return: Boolean
    """
    return self._config.getboolean('thermal_zones', 'heated')

  @property
  def cooled(self):
    """
    Configured cooled flag
    :return: Boolean
    """
    return self._config.getboolean('thermal_zones', 'cooled')

  @property
  def additional_thermal_bridge_u_value(self):
    """
    Configured additional thermal bridge u value W/m2K
    :return:
    """
    return self._config.getfloat('thermal_zones', 'additional_thermal_bridge_u_value')

  @property
  def indirectly_heated_area_ratio(self):
    """
    Configured indirectly heated area ratio
    :return: float
    """

    return self._config.getfloat('thermal_zones', 'indirectly_heated_area_ratio')

  @property
  def infiltration_rate_system_on(self):
    """
    Configured infiltration rate system on in air change per hour
    :return: float
    """
    return self._config.getfloat('thermal_zones', 'infiltration_rate_system_on')

  @property
  def outside_solar_absorptance(self):
    """
    Configured exterior solar absorptance
    :return: float
    """
    return self._config.getfloat('thermal_zones', 'outside_solar_absorptance')

  @property
  def min_air_change(self):
    """
    Configured minimum air change rate in air changes per hour
    :return: float
    """
    return self._config.getfloat('thermal_zones', 'min_air_change')

  @property
  def max_location_distance_for_shared_walls(self):
    """
    Configured maximal distance between buildings to consider that they may share walls in meters
    :return: float
    """
    return self._config.getfloat('buildings', 'max_location_distance_for_shared_walls')