"""
Usage helper
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2023 Concordia CERC group
Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
"""

import sys
from hub.hub_logger import logger
import hub.helpers.constants as cte
from hub.helpers.configuration_helper import ConfigurationHelper as ch


class UsageHelper:
  """
  UsageHelper class
  """

  @staticmethod
  def cold_water_temperature(ground_temperature):
    keys = ground_temperature.keys()
    depths = ground_temperature[keys[0]].keys()
    if keys[0] == cte.YEAR:
      # taking the deeper temperature available
      _cold_temperature = ground_temperature[cte.YEAR][depths[len(depths-1)]]
    elif keys[0] == cte.MONTH:
      _cold_temperature = 0
      for i in range(0, 12):
        # taking the deeper temperature available
        _cold_temperature += ground_temperature[cte.MONTH][depths[len(depths-1)]] / 12
    elif keys[0] == cte.HOUR:
      _cold_temperature = 0
      for i in range(0, 8760):
        # taking the deeper temperature available
        _cold_temperature += ground_temperature[cte.HOUR][depths[len(depths-1)]] / 8760
    else:
      _cold_temperature = ch().cold_water_temperature
      logger.error(f'Cold water temperature could not be calculated. Assigned default value = '
                   f'{ch().cold_water_temperature} degrees Celsius\n')
      sys.stderr.write(f'Cold water temperature could not be calculated. Assigned default value = '
                       f'{ch().cold_water_temperature} degrees Celsius\n')

    return _cold_temperature