# db/database.py

import os
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from fastapi.security import OAuth2PasswordBearer
from dotenv import load_dotenv

load_dotenv()

# ✅ PostgreSQL URL from Neon
SQLALCHEMY_DATABASE_URL = os.getenv("NEON_DATABASE_URL")  # put this in .env

# ✅ Create PostgreSQL engine
engine = create_engine(SQLALCHEMY_DATABASE_URL)

# ✅ PostgreSQL session
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

# ✅ Base class for models
Base = declarative_base()

# ✅ Token config
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/auth/login")