"""
Infinity向量数据库连接基础类
"""
import http.client
import json
from typing import Dict, Any
from conf.config import VectorDBConfig


class InfinityConnection:
    """
    Infinity向量数据库连接管理器
    负责管理与Infinity向量数据库的连接
    """
    
    def __init__(self, host: str = None, port: int = None, user: str = None, password: str = None):
        """
        初始化Infinity连接
        
        Args:
            host: Infinity主机地址
            port: Infinity端口
            user: 用户名
            password: 密码
        """
        # 获取配置
        self.host = host or VectorDBConfig.get_infinity_host()
        self.port = port or VectorDBConfig.get_infinity_port()
        self.user = user or VectorDBConfig.get_infinity_user()
        self.password = password or VectorDBConfig.get_infinity_password()
        self.base_url = f"http://{self.host}:{self.port}"
        
        # 初始化HTTP客户端
        self.http_client = http.client.HTTPConnection(self.host, self.port)
        self.headers = {
            'Content-Type': 'application/json',
            'Authorization': f'Basic {self._get_auth_token()}'
        }
    
    def _get_auth_token(self) -> str:
        """生成Basic Auth令牌"""
        import base64
        auth_str = f"{self.user}:{self.password}"
        return base64.b64encode(auth_str.encode()).decode()
    
    def _make_request(self, method: str, path: str, data: dict = None) -> dict:
        """发送HTTP请求"""
        try:
            body = json.dumps(data) if data else None
            self.http_client.request(method, path, body, self.headers)
            response = self.http_client.getresponse()
            response_data = json.loads(response.read().decode())
            return response_data
        except Exception as e:
            print(f"HTTP请求失败: {e}")
            return {"error": str(e)}
    
    def close(self):
        """关闭连接"""
        try:
            self.http_client.close()
        except Exception as e:
            print(f"关闭Infinity连接失败: {e}")