from __future__ import annotations

from sqlalchemy import create_engine
from sqlalchemy.orm import DeclarativeBase, sessionmaker

from src.config import get_settings


class Base(DeclarativeBase):
    pass


settings = get_settings()
engine_kwargs: dict = {"pool_pre_ping": True}
if settings.database_url.startswith("sqlite"):
    engine_kwargs["connect_args"] = {"check_same_thread": False}
engine = create_engine(settings.database_url, **engine_kwargs)
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, expire_on_commit=False)