from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

from config import settings

engine = create_engine(
    settings.database_url,
    connect_args={"check_same_thread": False}  # nécessaire pour SQLite
)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()


def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()


def init_db():
    from models import Client, Devis, Facture, LigneDevis, LigneFacture  # noqa
    Base.metadata.create_all(bind=engine)