from __future__ import annotations

from collections.abc import Generator
from pathlib import Path

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

from core.config import get_settings
from core.models import Base

settings = get_settings()

sqlite_path = Path(settings.sqlite_db_path)
sqlite_path.parent.mkdir(parents=True, exist_ok=True)

engine = create_engine(
    settings.sqlite_url,
    connect_args={"check_same_thread": False},
)

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


def init_db() -> None:
    Base.metadata.create_all(bind=engine)


def get_db() -> Generator[Session, None, None]:
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()