#!/usr/bin/env python3

from atexit import register
import os
import sys
import logging

import asyncio
from langchain.memory import ConversationBufferWindowMemory
from langchain_mcp_adapters.client import MultiServerMCPClient
from langgraph.prebuilt import create_react_agent
from langchain_openai import ChatOpenAI
from langchain_core.messages import HumanMessage, SystemMessage
from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
from pydantic import SecretStr

import json
from pathlib import Path

# 获取当前脚本的路径（Path 对象）
current_script = Path(__file__).resolve()
# 向上两级找到项目根目录（根据实际结构调整层级）
project_root = current_script.parents[1]  # parents[0] 是当前目录，parents[1] 是父目录，以此类推

print("project_root: ",project_root)

#添加到搜索路径
sys.path.append(str(project_root))

#查看系统环境
print("sys path:",sys.path)

from tools.core.common_functions import read_json_file
# 配置日志记录器
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s - %(levelname)s - %(message)s"
)
logger = logging.getLogger(__name__)


class PNC:
    def __init__(self):
        print("PNC 初始化完成")