"""
Test EnergySystemsFactory and various heatpump models
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Concordia CERC group
Project Coder Peter Yefi peteryefi@gmail.com
"""
from unittest import TestCase
from imports.geometry_factory import GeometryFactory
from imports.energy_systems_factory import EnergySystemsFactory
from exports.energy_systems_factory import EnergySystemsExportFactory
from imports.db_factory import DBFactory
from exports.db_factory import DBFactory as ExportDBFactory
from persistence.db_config import BaseConfiguration
from sqlalchemy import create_engine
from persistence.models import City
from persistence.models import SimulationTypes
from persistence.models import HeatPumpTypes
from persistence.models import HeatPumpSimulation

# User defined paramenters
hp_sim_data = {
  'StartYear': 2020,
  'EndYear': 2021,
  'MaximumHPEnergyInput': 8000,
  'HoursOfStorageAtMaxDemand': 1,
  'BuildingSuppTemp': 40,
  'TemperatureDifference': 15,
  'FuelLHV': 47100,
  'FuelPrice': 0.12,
  'FuelEF': 1887,
  'FuelDensity': 0.717,
  'HPSupTemp': 60
}


class TestHeatPumpSimulation(TestCase):
  """
  Heat pump simulation test cases
  """

  def setUp(self) -> None:
    """
    Test setup
    :return: None
    """
    # Create test tables if they do not exit
    config = BaseConfiguration(db_name='hub_test', app_env='TEST')
    engine = create_engine(config.conn_string())
    City.__table__.create(bind=engine, checkfirst=True)
    HeatPumpSimulation.__table__.create(bind=engine, checkfirst=True)

    city_file = "../unittests/tests_data/C40_Final.gml"
    self._city = GeometryFactory('citygml', city_file).city
    EnergySystemsFactory('air source hp', self._city).enrich()

    self._db_factory = DBFactory(city=self._city, db_name='hub_test', app_env='TEST')
    self._export_db_factory = ExportDBFactory(city=self._city, db_name='hub_test', app_env='TEST')

  def test_heat_pump_simulation_persistence(self):
    output = EnergySystemsExportFactory(city=self._city, user_input=hp_sim_data, hp_model='018',
                                        output_path=None, sim_type=1).export()
    hp_sim_data["HeatPumpModel"] = '018'
    hp_sim_data["SimulationType"] = SimulationTypes.Parallel
    hp_sim_data["HeatPumpType"] = HeatPumpTypes.Air
    hp_sim_data["HourlyElectricityDemand"] = output["hourly_electricity_demand"]
    hp_sim_data["DailyElectricityDemand"] = output["daily_electricity_demand"]
    hp_sim_data["MonthlyElectricityDemand"] = output["monthly_electricity_demand"]
    hp_sim_data["DailyFossilFuelConsumption"] = output["daily_fossil_consumption"]
    hp_sim_data["MonthlyFossilFuelConsumption"] = output["monthly_fossil_consumption"]

    saved_city = self._db_factory.persist_city()
    hp_sim = self._db_factory.persist_hp_simulation(hp_sim_data, saved_city.id)
    self.assertEqual(hp_sim.heat_pump_type, HeatPumpTypes.Air)
    self.assertEqual(hp_sim.simulation_type, SimulationTypes.Parallel)
    self.assertEqual(hp_sim.fuel_efficiency, hp_sim_data["FuelEF"])
    self.assertEqual(hp_sim.monthly_electricity_demand, output["monthly_electricity_demand"])
    self._db_factory.delete_hp_simulation(hp_sim.id)
    self._db_factory.delete_city(saved_city.id)

  def test_get_heat_pump_simulation_by_city(self):
    output = EnergySystemsExportFactory(city=self._city, user_input=hp_sim_data, hp_model='012',
                                        output_path=None, sim_type=0).export()
    hp_sim_data["HeatPumpModel"] = '012'
    hp_sim_data["SimulationType"] = SimulationTypes.Series
    hp_sim_data["HeatPumpType"] = HeatPumpTypes.Air
    hp_sim_data["HourlyElectricityDemand"] = output["hourly_electricity_demand"]
    hp_sim_data["DailyElectricityDemand"] = output["daily_electricity_demand"]
    hp_sim_data["MonthlyElectricityDemand"] = output["monthly_electricity_demand"]
    hp_sim_data["DailyFossilFuelConsumption"] = output["daily_fossil_consumption"]
    hp_sim_data["MonthlyFossilFuelConsumption"] = output["monthly_fossil_consumption"]

    saved_city = self._db_factory.persist_city()
    self._db_factory.persist_hp_simulation(hp_sim_data, saved_city.id)

    # retrieved saved simulation by city id
    hp_sim = self._export_db_factory.get_hp_simulation_by_city(saved_city.id)
    self.assertEqual(hp_sim[0].heat_pump_type, HeatPumpTypes.Air)
    self.assertEqual(hp_sim[0].simulation_type, SimulationTypes.Series)
    self.assertEqual(hp_sim[0].fuel_price, hp_sim_data["FuelPrice"])
    self.assertEqual(hp_sim[0].hourly_electricity_demand, output["hourly_electricity_demand"])

    self._db_factory.delete_hp_simulation(hp_sim[0].id)
    self._db_factory.delete_city(saved_city.id)