"""
应用配置 — 用 pydantic-settings 的 BaseSettings 读取 .env
"""

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    DATABASE_URL: str
    SECRET_KEY: str = "change-me-to-a-random-string-in-production"
    SESSION_MAX_AGE: int = 86400  # 秒，默认 1 天

    model_config = {
        "env_file": ".env",
        "env_file_encoding": "utf-8",
    }


settings = Settings()