import sys
from insel.insel import Insel
from pathlib import Path
from helpers.enrich_city import EnrichCity
from simplified_radiosity_algorithm import SimplifiedRadiosityAlgorithm
from imports.weather_factory import WeatherFactory
from insel.templates.thermal_demand_dynamic_simulation import ThermalDemandDynamicSimulation as Templates
from helpers.simulation_parameters import SimulationParameters as Sp
from imports.geometry_factory import GeometryFactory
from imports.geometry.helpers.geometry_helper import GeometryHelper
from city_model_structure.city import City


name_gml = 'EVBuilding.gml'
function_format = 'hft'
construction_format = 'nrel'
usage_format = 'comnet'
schedules_format = 'comnet'
climate_reference_city = 'Montreal'
weather_file_name = 'CAN_PQ_Montreal.Intl.AP.716270_CWEC.epw'

example_path = Path(__file__).parent
full_path_gml = (example_path / 'tests' / 'tests_data' / name_gml).resolve()
outputs_path = (example_path / 'tests' / 'tests_outputs').resolve()
tmp_path = (example_path / 'tests' / 'tmp').resolve()
weather_path = (Path(__file__).parent.parent / 'libs' / 'data' / 'weather').resolve()
keep_sra_file = True
keep_insel_file = True
keep_weather_file = True
keep_ig_file = True

pickle_geometry = False
pickle_weather = False
pickle_construction = False
pickle_usage = False
pickle_schedules = False
pickle_file = 'tests/tests_data/one_building_in_kelowna.pickle'

# Load geometry
if not pickle_geometry:
  city = GeometryFactory('citygml', full_path_gml).city
  city.save(pickle_file)
else:
  city = City.load(pickle_file)

# Load weather and calculate radiation
if not pickle_weather:
  # user configurable parameters
  for building in city.buildings:
    for surface in building.surfaces:
      surface.swr = 0.2

  # load weather
  weather_format = 'epw'
  city.climate_reference_city = climate_reference_city
  city.climate_file = (tmp_path / f'{climate_reference_city}.cli').resolve()
  WeatherFactory(weather_format, city, base_path=weather_path, file_name=weather_file_name).enrich()

  # calculate radiation on external surfaces
  path = (example_path / 'tests').resolve()
  radius = 80
  building = city.city_object('1066157')
#  building = city.city_object('1066157')
  new_city = city.region(building.centroid, radius)
  sra = SimplifiedRadiosityAlgorithm(new_city, path, weather_file_name)
  sra.call_sra(weather_format, keep_files=keep_sra_file, selected_buildings=[building])
  sra.set_irradiance_surfaces(city, mode=1, building_name=building.name)

  # to save only the targeted building
  radius = 10
  city = city.region(building.centroid, radius)
  city.save(pickle_file)
else:
  city = City.load(pickle_file)

# Enrich target building in the city with construction, usage and schedules
if not pickle_construction or not pickle_usage or not pickle_schedules:

  for building in city.buildings:
    building.function = 'Largeoffice'
    building.year_of_construction = 2010

    if function_format == 'hft':
      building.function = GeometryHelper.hft_to_function[building.function]
    elif function_format == 'pluto':
      building.function = GeometryHelper.pluto_to_function[building.function]
  city = EnrichCity(city).enriched_city(construction_format, usage_format, schedules_format,
                                        pickle_construction, pickle_usage, pickle_schedules)

  city.save(pickle_file)
else:
  city = City.load(pickle_file)

# Assign user defined parameters
for building in city.buildings:
  building.heated = True
  building.cooled = True
  building.attic_heated = 2
  building.basement_heated = 0

# Demand calculation (one model per building)
for building in city.buildings:
  full_path_out = (outputs_path / building.name).resolve()
  full_path_wea = (tmp_path / (building.name + '.weather')).resolve()
  full_path_ig = (tmp_path / (building.name + '.ig')).resolve()
  full_paths_fij = []
  for i_tz in range(0, len(building.thermal_zones)):
    full_paths_fij.append((tmp_path / (building.name + '_' + str(i_tz) + '.fij')).resolve())

  insel_file_name = building.name + '.insel'
  try:
    template = Templates(building, full_path_out, full_path_wea, full_path_ig,
                         full_paths_fij, Sp)
    content = template.generate_thermal_dynamic_template()
    template.generate_weather_file()
    template.generate_ig_file()
    template.generate_fij_files()
    print(insel_file_name)
    insel = Insel(example_path, insel_file_name, content, mode=2, keep_files=keep_insel_file).results
    break

  except ValueError:
    print(sys.exc_info()[1])
    print('Building ' + building.name + ' could not be processed')
    continue