"""配置加载模块"""
import os
import yaml
from pathlib import Path

class Config:
    _instance = None
    _config = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
            cls._instance._load_config()
        return cls._instance
    
    def _load_config(self):
        config_path = Path(__file__).parent / "config" / "config.yaml"
        with open(config_path, "r", encoding="utf-8") as f:
            self._config = yaml.safe_load(f)
    
    @property
    def database(self):
        return self._config.get("database", {})
    
    @property
    def redis(self):
        return self._config.get("redis", {})
    
    @property
    def app(self):
        return self._config.get("app", {})
    
    @property
    def crawlers(self):
        return self._config.get("crawlers", {})
    
    @property
    def notification(self):
        return self._config.get("notification", {})
    
    @property
    def tasks(self):
        return self._config.get("tasks", {})

config = Config()