import subprocess
from subprocess import SubprocessError, TimeoutExpired, CalledProcessError
import glob
from hub.exports.energy_building_exports_factory import EnergyBuildingsExportsFactory
from hub.imports.results_factory import ResultFactory


class MonthlyEnergyBalanceEngine:
  def __init__(self, city, file_path):
    """
    MEB class
    :param file_path: insel file path
    """
    self._city = city
    self._file_path = file_path
    EnergyBuildingsExportsFactory('insel_monthly_energy_balance', self._city, self._file_path).export()
    self._run()
    ResultFactory('insel_monthly_energy_balance', self._city, self._file_path).enrich()

  def _run(self):
    """
    Calls the software
    """
    try:
      _insel_files = glob.glob(f'{self._file_path}/*.insel')
      for insel_file in _insel_files:
        subprocess.run(['insel', str(insel_file)], stdout=subprocess.DEVNULL)
    except (SubprocessError, TimeoutExpired, CalledProcessError) as error:
      raise Exception(error)