import sys
import os

# 添加项目根目录到 Python 路径
current_dir = os.path.dirname(os.path.abspath(__file__))
project_root = os.path.dirname(current_dir)
if project_root not in sys.path:
    sys.path.append(project_root)

from qa_chain.Chat_QA_chain_self import Chat_QA_chain_self
from dotenv import load_dotenv

# 加载环境变量
load_dotenv()

chat_history:list=[]  # 初始化聊天历史记录


def chat_with_ai():
    print("正在初始化AI助手...")
    chat_qa = Chat_QA_chain_self(
        model="qwen-max",  # 改为阿里通义千问模型
        temperature=0.7,
        top_k=4,
        chat_history=chat_history,
        persist_path="./vector_db/chroma_sanguo",
        file_path="./knowledge_db/sanguo_characters",
        api_key=os.getenv("ali_api_key"),  # 使用阿里API Key
        embedding="m3e",
        embedding_key=None
    )
    print("AI助手初始化完成，可以开始对话了！(输入'退出'结束对话)")

    while True:
        user_input = input("\n您: ")
        if user_input.lower() in ["退出", "exit", "quit"]:
            break
            
        history = chat_qa.answer(user_input, chat_history=chat_history)
        chat_history[:] = history  # 关键修改：将更新后的历史记录同步到全局变量
        print("\n完整对话历史:")
        for i, (q, a) in enumerate(history, 1):
            print(f"{i}. 您: {q}")
            print(f"   AI: {a}\n")
        print("\nAI助手最新回复:", history[-1][1])

if __name__ == "__main__":
    chat_with_ai()