from pydantic_settings import BaseSettings
from functools import lru_cache


class Settings(BaseSettings):
    # Application
    app_name: str = "AuditShield"
    debug: bool = False
    secret_key: str
    algorithm: str = "HS256"
    access_token_expire_minutes: int = 60 * 24  # 24h

    # Database
    database_url: str

    # Redis / Celery
    redis_url: str = "redis://redis:6379/0"

    class Config:
        env_file = ".env"


@lru_cache
def get_settings() -> Settings:
    return Settings()


settings = get_settings()