"""
配置管理服务
统一管理环境配置和爬虫配置
"""
import json
from typing import Dict, Any, Optional
from core.utils.spider_config import SpiderConfig
from core.models.spiders_config_models import PlatformConfig


class ConfigManager:
    """
    统一配置管理器
    提供对环境配置和爬虫配置的统一访问接口
    """
    
    def __init__(self):
        # 延迟导入settings以避免循环导入
        from config import settings
        self._env_settings = settings
        self._spider_config = SpiderConfig

    @property
    def env_settings(self):
        """
        获取环境配置
        """
        return self._env_settings

    def get_platform_config(self, platform_name: str) -> PlatformConfig:
        """
        获取平台爬虫配置
        """
        return self._spider_config.get_platform_config(platform_name)

    def list_platforms(self) -> list:
        """
        获取所有平台列表
        """
        return self._spider_config.list_all_platforms()

    def reload_spider_configs(self):
        """
        重新加载爬虫配置
        """
        self._spider_config.reload_config()

    def get_config_stats(self) -> Dict[str, Any]:
        """
        获取配置统计信息
        """
        stats = self._spider_config.get_config_stats()
        stats["env"] = self._env_settings.ENV
        return stats

    def validate_platform_config(self, platform_name: str) -> bool:
        """
        验证平台配置是否有效
        """
        try:
            self.get_platform_config(platform_name)
            return True
        except Exception:
            return False

    def export_configs(self) -> Dict[str, Any]:
        """
        导出所有配置信息（用于调试和监控）
        """
        return {
            "env_settings": {
                "env": self._env_settings.ENV,
                "log_level": self._env_settings.LOG_LEVEL,
                "db_host": self._env_settings.DB_HOST,
                "rocketmq_endpoint": str(self._env_settings.ROCKETMQ_ENDPOINT),
                # 不包含敏感信息如密码、密钥等
            },
            "spider_configs": self.list_platforms(),
            "stats": self.get_config_stats()
        }

    def get_platform_configs_summary(self) -> Dict[str, Dict[str, Any]]:
        """
        获取所有平台配置摘要信息
        """
        platforms = self.list_platforms()
        summary = {}
        
        for platform in platforms:
            try:
                config = self.get_platform_config(platform)
                summary[platform] = {
                    "platform": config.platform,
                    "mode": config.mode,
                    "method": config.method,
                    "url": str(config.url),
                    "loop_times": config.loop_times,
                }
            except Exception as e:
                summary[platform] = {
                    "error": str(e)
                }
                
        return summary

    async def reload_configs_runtime(self):
        """
        运行时重新加载配置（支持不重启服务的情况下重新加载配置）
        这个方法可以在接收到特定信号或API调用时被调用
        """
        try:
            # 重新加载爬虫配置
            self.reload_spider_configs()
            return True
        except Exception as e:
            # 记录错误日志
            print(f"运行时重新加载配置失败: {e}")
            return False


# 全局配置管理器实例
config_manager = ConfigManager()


def get_config_manager() -> ConfigManager:
    """
    获取配置管理器实例
    """
    return config_manager