from pydantic_settings import BaseSettings
from typing import Optional

class Settings(BaseSettings):
    # MongoDB
    MONGODB_URL: str = "mongodb://mongodb:27017"
    DB_NAME: str = "ai_writer_db"

    # Service
    SERVICE_NAME: str = "news-api"
    API_V1_STR: str = "/api/v1"

    # Pagination
    DEFAULT_PAGE_SIZE: int = 20
    MAX_PAGE_SIZE: int = 100

    class Config:
        env_file = ".env"
        case_sensitive = True

settings = Settings()