from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base
import os

DB_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), "regwatch.db")
DATABASE_URL = os.getenv("DATABASE_URL", f"sqlite:///{DB_PATH}")

CONNECT_ARGS = {"check_same_thread": False} if DATABASE_URL.startswith("sqlite") else {}

engine = create_engine(
    DATABASE_URL,
    connect_args=CONNECT_ARGS
)

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

Base = declarative_base()