from pydantic_settings import BaseSettings
from typing import Optional

class Settings(BaseSettings):
    # Database
    DATABASE_URL: str
    
    # Security
    SECRET_KEY: str
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 10080  # 7 días
    
    # OpenAI
    OPENAI_API_KEY: Optional[str] = None
    
    # Environment
    ENVIRONMENT: str = "development"
    
    # Uploads
    UPLOAD_DIR: str = "uploads"
    MAX_FILE_SIZE: int = 10 * 1024 * 1024  # 10MB
    
    class Config:
        env_file = ".env"
        case_sensitive = True

settings = Settings()