from sqlalchemy import create_engine, text
from sqlalchemy.orm import sessionmaker, declarative_base

# SQLite DB
DATABASE_URL = "sqlite:///./virtual_energy.db"

engine = create_engine(
    DATABASE_URL, connect_args={"check_same_thread": False, "timeout": 30}
)
with engine.connect() as conn:
    conn.execute(text("PRAGMA journal_mode=WAL;"))
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()