from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker

from app.core.config import settings

# Use the DB_DIR from settings
DB_DIR = settings.DB_DIR
DB_DIR.mkdir(parents=True, exist_ok=True)

# Note: We're not using chmod here since /app/storage/db is already
# owned by appuser and has the appropriate permissions

SQLALCHEMY_DATABASE_URL = settings.SQLALCHEMY_DATABASE_URL

engine = create_engine(
    SQLALCHEMY_DATABASE_URL,
    connect_args={"check_same_thread": False}  # Needed for SQLite
)

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


# Dependency to get DB session
def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()