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

# If DATABASE_URL starts with sqlite, we need a special argument
connect_args = {}

if settings.DATABASE_URL.startswith("sqlite"):
    connect_args = {"check_same_thread": False}

engine = create_engine(
    settings.DATABASE_URL,
    connect_args=connect_args,
    pool_pre_ping=True,
)

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

Base = declarative_base()