from functools import lru_cache
from typing import List, Union
import os
import cloudinary

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    app_name: str = "Marine Guard Backend"
    mongodb_uri: str
    database_name: str = "marine_guard"
    jwt_secret_key: str
    jwt_algorithm: str = "HS256"
    access_token_expire_minutes: int = 60 * 24
    allowed_origins: Union[str, List[str]] = "http://localhost:5173"
    
    # Cloudinary settings
    cloudinary_cloud_name: str
    cloudinary_api_key: str
    cloudinary_api_secret: str
    
    # Hugging Face Spaces specific settings
    space_id: str = os.getenv("SPACE_ID", "")
    
    class Config:
        env_file = ".env"
        extra = "allow"  # Allow extra fields for Hugging Face environment variables


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