from sqlalchemy import create_engine
from sqlalchemy.engine import URL
from sqlalchemy.orm import sessionmaker
from sqlalchemy.orm import declarative_base


from config import load_config


ApplicationConfig = load_config()


url = URL.create(
    drivername="postgresql",
    username=ApplicationConfig.POSTGRES_USERNAME,
    password=ApplicationConfig.POSTGRES_PW,
    host=ApplicationConfig.POSTGRES_SERVER,
    database=ApplicationConfig.POSTGRES_DBNAME00,
    port=ApplicationConfig.POSTGRES_PORT
)

engine = create_engine(url)

Session = sessionmaker(autocommit=False, autoflush=False, bind=engine)
session = Session()

Base = declarative_base()
Base.metadata.create_all(engine)