"""
EnergySystemsFactory exports energy systems into several formats
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Peter Yefi peteryefi@gmail.com
"""

from pathlib import Path
from exports.energy_systems.heat_pump_export import HeatPumpExport


class EnergySystemsExportFactory:
  """
  Exports factory class for energy systems
  """

  def __init__(self, city, user_input, hp_model, output_path, data_type='heat', base_path=None):
    self._city = city
    if base_path is None:
      base_path = base_path = Path(Path(__file__).parent.parent / 'data/energy_systems')
    self._base_path = base_path
    self._user_input = user_input
    self._hp_model = hp_model
    self._data_type = data_type
    self._output_path = output_path

  def _export_heat_pump(self):
    """
    Exports heat pump performance data as coefficients
    of some objective function
    :return: None
    """
    HeatPumpExport(self._base_path, self._city, self._output_path)\
      .run_insel(self._user_input, self._hp_model, self._data_type)

  def export(self):
    """
    Export the city given to the class using the given export type handler
    :return: None
    """
    return getattr(self, '_export_heat_pump', lambda: None)()