"""
Configuration de la base de données SQLAlchemy.
"""

from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from .config import settings

# Créer l'engine
engine = create_engine(
    settings.database_url,
    echo=settings.debug,
    pool_pre_ping=True,
    pool_size=10,
    max_overflow=20
)

# Créer la session factory
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def init_db():
    """Initialiser la base de données (créer les tables)"""
    from .models import Base
    Base.metadata.create_all(bind=engine)