from pydantic_settings import BaseSettings
from typing import Optional
import os
from pathlib import Path


class Settings(BaseSettings):
    # FastAPI配置
    host: str = "0.0.0.0"
    port: int = 8000
    
    # Qwen API配置
    dashscope_api_key: Optional[str] = None
    
    # 微信窗口配置
    wechat_window_name: str = "WeChat"
    
    # 自动化配置
    click_pause: float = 0.5
    failsafe: bool = True
    action_timeout: int = 30
    
    # 重试配置
    max_retries: int = 3
    retry_base_delay: float = 1.0
    
    # 日志配置
    log_level: str = "INFO"
    log_file: str = "/tmp/wechat_auto.log"
    
    # 截图保存目录
    screenshot_dir: str = "/tmp/wechat_screenshots"
    
    class Config:
        env_file = str(Path(__file__).parent / ".env")
        extra = "allow"


settings = Settings()