"""
Infinity向量数据库文档管理器
"""
from typing import List, Dict, Any, Optional
from services.utils.infinity.base import InfinityConnection


class InfinityDocumentManager:
    """
    Infinity向量数据库文档管理器
    负责文档的增删改查操作
    """
    
    def __init__(self, infinity_connection: Optional[InfinityConnection] = None):
        """
        初始化文档管理器
        
        Args:
            infinity_connection: Infinity连接实例，可选
        """
        self.infinity_conn = infinity_connection or InfinityConnection()
    
    def insert_document(self, index_name: str, document: Dict[str, Any], id: str = None) -> bool:
        """
        插入单个文档
        
        Args:
            index_name: 索引名称
            document: 文档内容
            id: 文档ID，可选
        
        Returns:
            bool: 插入是否成功
        """
        try:
            path = f"/api/collections/{index_name}/documents"
            response = self.infinity_conn._make_request("POST", path, {"documents": [document]})
            return "error" not in response
        except Exception as e:
            print(f"插入Infinity文档失败: {e}")
            return False
    
    def bulk_insert(self, index_name: str, documents: List[Dict[str, Any]]) -> Dict[str, Any]:
        """
        批量插入文档
        
        Args:
            index_name: 索引名称
            documents: 文档列表
        
        Returns:
            Dict: 包含成功和失败信息的字典
        """
        try:
            path = f"/api/collections/{index_name}/documents"
            response = self.infinity_conn._make_request("POST", path, {"documents": documents})
            
            if "error" not in response:
                return {
                    "success": len(documents),
                    "failed": 0,
                    "errors": []
                }
            else:
                return {
                    "success": 0,
                    "failed": len(documents),
                    "errors": [response["error"]] * len(documents)
                }
        except Exception as e:
            print(f"批量插入Infinity文档失败: {e}")
            return {
                "success": 0,
                "failed": len(documents),
                "errors": [str(e)] * len(documents)
            }
    
    def update_document(self, index_name: str, document_id: str, document: Dict[str, Any]) -> bool:
        """
        更新单个文档
        
        Args:
            index_name: 索引名称
            document_id: 文档ID
            document: 要更新的文档内容
        
        Returns:
            bool: 更新是否成功
        """
        try:
            path = f"/api/collections/{index_name}/documents/{document_id}"
            response = self.infinity_conn._make_request("PUT", path, document)
            return "error" not in response
        except Exception as e:
            print(f"更新Infinity文档失败: {e}")
            return False
    
    def delete_document(self, index_name: str, document_id: str) -> bool:
        """
        删除单个文档
        
        Args:
            index_name: 索引名称
            document_id: 文档ID
        
        Returns:
            bool: 删除是否成功
        """
        try:
            path = f"/api/collections/{index_name}/documents/{document_id}"
            response = self.infinity_conn._make_request("DELETE", path)
            return "error" not in response
        except Exception as e:
            print(f"删除Infinity文档失败: {e}")
            return False
    
    def get_document(self, index_name: str, document_id: str) -> Optional[Dict[str, Any]]:
        """
        获取单个文档
        
        Args:
            index_name: 索引名称
            document_id: 文档ID
        
        Returns:
            Optional[Dict[str, Any]]: 文档内容，不存在则返回None
        """
        try:
            path = f"/api/collections/{index_name}/documents/{document_id}"
            response = self.infinity_conn._make_request("GET", path)
            return response if "error" not in response else None
        except Exception as e:
            print(f"获取Infinity文档失败: {e}")
            return None
    
    def delete_by_query(self, index_name: str, query: Dict[str, Any]) -> Dict[str, Any]:
        """
        按查询条件删除文档
        
        Args:
            index_name: 索引名称
            query: 查询条件
        
        Returns:
            Dict: 删除结果
        """
        try:
            path = f"/api/collections/{index_name}/delete_by_query"
            response = self.infinity_conn._make_request("POST", path, {"query": query})
            
            if "error" not in response:
                return {
                    "deleted": response.get("total", 0),
                    "failed": 0
                }
            else:
                return {
                    "deleted": 0,
                    "failed": 1,
                    "error": response["error"]
                }
        except Exception as e:
            print(f"按条件删除Infinity文档失败: {e}")
            return {
                "deleted": 0,
                "failed": 1,
                "error": str(e)
            }