"""
City info
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Project Author name guillermo.gutierrezmorote@concordia.ca
"""
import json
from flask_apispec import use_kwargs, doc
from flask import Response, request
from flask_restful import Resource
from hub_api.helpers.session_helper import refresh_session
from marshmallow import fields, Schema
from hub_api.helpers.auth import role_required
from persistence.models import UserRoles
from flask_apispec.views import MethodResource
from hub_logger import logger


class AuthorizationHeader(Schema):
  Authorization = fields.Str(required=True, description='Authorization token')
  AppID = fields.Str(required=True, description='ID of app accessing API')


class CitySchema(Schema):
  city_file = fields.Raw(type='file', required=True, description='City file')


class CityInfo(Resource):
  def __init__(self):
    pass

  @staticmethod
  def get():
    session = refresh_session(request)
    if session is None:
      return Response(json.dumps({'error': 'invalid session'}), status=401)
    headers = session.headers

    city = session.city
    # TODO: this is only for dompark project and need to be removed in future versions.
    floor_area = 0
    wall_construction = 'unknown'
    floor_construction = 'unknown'
    roof_construction = 'unknown'
    window_type = 'unknown'
    building_dic = {}
    for building in city.buildings:

      usages = []  # This is only valid for dompark project as all the building have the same usage
      if building.lower_corner[2] == 0:
        floor_area += building.floor_area
      for internal_zone in building.internal_zones:
        for usage_zone in internal_zone.usage_zones:
          usages.append({'percentage': usage_zone.percentage, 'usage': usage_zone.usage})
          for thermal_zone in internal_zone.thermal_zones:
            for thermal_boundary in thermal_zone.thermal_boundaries:
              if thermal_boundary.parent_surface.type == 'Ground':
                floor_construction = thermal_boundary.construction_name
              elif thermal_boundary.parent_surface.type == 'Wall':
                wall_construction = thermal_boundary.construction_name
                for thermal_opening in thermal_boundary.thermal_openings:
                  if thermal_opening.construction_name is not None:
                    window_type = thermal_opening.construction_name
                    break
              else:
                roof_construction = thermal_boundary.construction_name
      name = building.human_readable_name
      year_of_construction = str(building.year_of_construction)
      building_dic = {
        'name': str(name),
        'floor_area': str(floor_area),
        'year_of_construction': str(year_of_construction),
        'usages': usages,
        'wall_construction': wall_construction,
        'floor_construction': floor_construction,
        'roof_construction': roof_construction,
        'window_type': window_type,
        'default_archetype': 'industry ASHRAE_2004:4A non_standard_dompark'
      }

    buildings = [building_dic]
    response = {'city_name': 'Montreal',
                'climate_reference_city': str(city.climate_reference_city),
                'buildings': buildings
                }
    return Response(json.dumps(response), headers=headers)


class City(MethodResource, Resource):
  @doc(description='Persist a city', tags=['PersistCity'])
  @role_required(UserRoles.Admin.value)
  @use_kwargs(AuthorizationHeader, location='headers')
  @use_kwargs(CitySchema)
  def post(self, **kwargs):
    try:
      return Response(response=json.dumps({'msg': 'Hello'}), status=201)
    except Exception as err:
      logger.error(err)
      return Response(response=json.dumps({'err_msg': 'Sorry an error occurred while creating user'}), status=400)