from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # 数据库配置
    database_url: str = "postgresql+asyncpg://user:password@localhost:5432/ai_talk_callback_db"
    
    # Redis配置
    redis_url: str = "redis://localhost:6379/0"
    redis_lock_timeout: int = 30  # 锁超时时间（秒）
    redis_lock_retry_delay: float = 0.1  # 锁重试延迟（秒）
    redis_lock_max_retries: int = 100  # 最大重试次数
    
    # 业务配置
    count_threshold: int = 3  # count阈值，大于等于此值直接返回
    external_api_retry_max: int = 4  # 外部API最大重试次数
    external_api_url: str = "https://external.com/api/openapi/customerApi/aiTaskResultFail"
    
    # 应用配置
    app_name: str = "AI Talk Callback API"
    debug: bool = False
    
    class Config:
        env_file = ".env"
        case_sensitive = False


settings = Settings()