from pydantic_settings import BaseSettings
from typing import Optional
import os

class Settings(BaseSettings):
    # Configuration Firebase
    FIREBASE_API_KEY: str
    FIREBASE_AUTH_DOMAIN: str
    FIREBASE_PROJECT_ID: str
    FIREBASE_STORAGE_BUCKET: str
    FIREBASE_MESSAGING_SENDER_ID: str
    FIREBASE_APP_ID: str

    # Configuration Stripe
    STRIPE_SECRET_KEY: str
    STRIPE_WEBHOOK_SECRET: str
    STRIPE_PRICE_ID_STARTER: str
    STRIPE_PRICE_ID_PRO: str
    STRIPE_PRICE_ID_BUSINESS: str

    # Configuration générale
    FRONTEND_URL: str = "https://quizz-generator-nu.vercel.app"  # URL du frontend
    BACKEND_URL: str = "https://2nzi-backendspace.hf.space"   # URL du backend
    AI_PROVIDER: str = "openai"
    # AI_PROVIDER: str = "deepseek"

    # OpenAI
    OPENAI_API_KEY: str
    DEEPSEEK_API_KEY: str
    MODEL_NAME: str = "gpt-3.5-turbo"  # default OpenAI model
    
    # Chemins
    VECTOR_DB_PATH: str = "data/vectors"
    
    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"
        extra = "allow"  # Permet les variables supplémentaires

settings = Settings()