"""
Model representation of a building
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Concordia CERC group
Project Coder Peter Yefi peteryefi@gmail.com
"""

from sqlalchemy import Column, Integer, String, Sequence, Float, ForeignKey
from sqlalchemy.dialects.postgresql import JSONB
from persistence.db_config import Base


class Building(Base):
  """A model representation of a building

        Attributes:
            city_id  A reference to the city which has this building.
            name  The name of the building.
            construction_year  The year of construction of the building.
            function  The function (e.g. residential) of the building.
            floor_area  The computed area of the floor of the building.
            data A JSON object which contain other data (like roof, walls, zones, etc) of the building
    """
  __tablename__ = "building"
  id = Column(Integer, Sequence('building_id_seq'), primary_key=True)
  city_id = Column(Integer, ForeignKey('city.id'), nullable=False)
  name = Column(String, nullable=False)
  construction_year = Column(Integer, nullable=False)
  function = Column(String, nullable=False)
  floor_area = Column(Float, nullable=False)
  data = Column(JSONB, nullable=False)