from pydantic_settings import BaseSettings
from dotenv import load_dotenv
import os

load_dotenv()

class Settings(BaseSettings):
    DB_URL: str = os.getenv('DB_URL')
    SECRET_KEY: str = os.getenv('SECRET_KEY')
    ALGORITHM: str = os.getenv('ALGORITHM', 'HS256')
    EXPIRATION: int = int(os.getenv('EXPIRATION', 86400))
    
    TOTP_INTERVAL: int = int(os.getenv('TOTP_INTERVAL', 30))
    TOTP_DIGITS: int = int(os.getenv('TOTP_DIGITS', 6))
    TOTP_ALGORITHM: str = os.getenv('TOTP_ALGORITHM', 'SHA1')
    TOTP_ISSUER: str = os.getenv('TOTP_ISSUER', 'SSII2FA')
    TOTP_NAME_PREFIX: str = os.getenv('TOTP_NAME_PREFIX', 'user')
    
    class Config:
        env_file = ".env"
        
settings = Settings()