"""
Construction helper
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
"""
import sys


class ConstructionHelper:
  # NREL
  function_to_nrel = {
    'residential': 'residential',
    'single family house': 'single family house',
    'multifamily house': 'multifamily house',
    'hotel': 'hotel',
    'hospital': 'hospital',
    'outpatient': 'outpatient',
    'commercial': 'commercial',
    'strip mall': 'strip mall',
    'warehouse': 'warehouse',
    'primary school': 'primary school',
    'secondary school': 'secondary school',
    'office': 'office',
    'large office': 'large office'
  }
  nrel_function_default_value = 'residential'
  nrel_standards = {
    'ASHRAE Std189': 1,
    'ASHRAE 90.1_2004': 2
  }
  reference_city_to_nrel_climate_zone = {
    'Miami': 'ASHRAE_2004:1A',
    'Houston': 'ASHRAE_2004:2A',
    'Phoenix': 'ASHRAE_2004:2B',
    'Atlanta': 'ASHRAE_2004:3A',
    'Los Angeles': 'ASHRAE_2004:3B',
    'Las Vegas': 'ASHRAE_2004:3B',
    'San Francisco': 'ASHRAE_2004:3C',
    'Baltimore': 'ASHRAE_2004:4A',
    'Albuquerque': 'ASHRAE_2004:4B',
    'Seattle': 'ASHRAE_2004:4C',
    'Chicago': 'ASHRAE_2004:5A',
    'Boulder': 'ASHRAE_2004:5B',
    'Minneapolis': 'ASHRAE_2004:6A',
    'Helena': 'ASHRAE_2004:6B',
    'Duluth': 'ASHRAE_2004:7A',
    'Fairbanks': 'ASHRAE_2004:8A'
  }
  nrel_window_types = ['window', 'door', 'skylight']
  nrel_construction_types = {
    'Wall': 'exterior wall',
    'Interior wall': 'interior wall',
    'Ground wall': 'ground wall',
    'Ground': 'exterior slab',
    'Attic floor': 'attic floor',
    'Interior slab': 'interior slab',
    'Roof': 'roof'
  }

  # NRCAN
  function_to_nrcan = {
    'residential': 'residential',
    'single family house': 'single family house',
    'multifamily house': 'multifamily house',
    'hotel': 'hotel',
    'hospital': 'hospital',
    'outpatient': 'outpatient',
    'commercial': 'commercial',
    'strip mall': 'strip mall',
    'warehouse': 'warehouse',
    'primary school': 'primary school',
    'secondary school': 'secondary school',
    'office': 'office',
    'large office': 'large office'
  }
  nrcan_function_default_value = 'residential'
  nrcan_window_types = ['window']
  nrcan_construction_types = {
    'Wall': 'wall',
    'Ground wall': 'basement_wall',
    'Ground': 'floor',
    'Attic floor': 'attic floor',
    'Interior slab': 'interior slab',
    'Roof': 'roof'
  }

  @staticmethod
  def nrel_from_function(function):
    """
    Get NREL function from the given internal function key
    :param function: str
    :return: str
    """
    try:
      return ConstructionHelper.function_to_nrel[function]
    except KeyError:
      sys.stderr.write('Error: keyword not found. Returned default NREL function "residential"\n')
      return ConstructionHelper.nrel_function_default_value

  @staticmethod
  def yoc_to_nrel_standard(year_of_construction):
    """
    Year of construction to NREL standard
    :param year_of_construction: int
    :return: str
    """
    if int(year_of_construction) < 2009:
      standard = 'ASHRAE 90.1_2004'
    else:
      standard = 'ASHRAE 189.1_2009'
    return standard

  @staticmethod
  def city_to_reference_city(city):
    """
    City name to reference city
    :param city: str
    :return: str
    """
    # ToDo: Dummy function that needs to be implemented
    reference_city = 'Baltimore'
    if city is not None:
      reference_city = 'Baltimore'
    return reference_city

  @staticmethod
  def city_to_nrel_climate_zone(city):
    """
    City name to NREL climate zone
    :param city: str
    :return: str
    """
    reference_city = ConstructionHelper.city_to_reference_city(city)
    return ConstructionHelper.reference_city_to_nrel_climate_zone[reference_city]

  @staticmethod
  def nrcan_from_function(function):
    """
    Get NREL function from the given internal function key
    :param function: str
    :return: str
    """
    try:
      return ConstructionHelper.function_to_nrcan[function]
    except KeyError:
      sys.stderr.write('Error: keyword not found. Returned default NRCAN function "residential"\n')
      return ConstructionHelper.nrcan_function_default_value