"""应用配置：环境变量优先，秘密不落盘。"""

from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_prefix="HUNJING_", env_file=".env", extra="ignore")

    env: str = "development"
    log_level: str = "info"
    api_port: int = 8000
    database_url: str = "postgresql+asyncpg://hunjing:hunjing_dev_password@127.0.0.1:5432/hunjing"


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