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/*
 *  Copyright (c) 2023-2025, Agents-Flex ([email protected]).
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  

 *  http://www.apache.org/licenses/LICENSE-2.0
 *  

 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.agentsflex.store.qcloud;

import com.agentsflex.core.document.Document;
import com.agentsflex.core.llm.client.HttpClient;
import com.agentsflex.core.store.DocumentStore;
import com.agentsflex.core.store.SearchWrapper;
import com.agentsflex.core.store.StoreOptions;
import com.agentsflex.core.store.StoreResult;
import com.agentsflex.core.util.StringUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.slf4j.LoggerFactory;

import java.util.*;

/**
 * doc https://cloud.tencent.com/document/product/1709/95121
 */
public class QCloudVectorStore extends DocumentStore {

    private QCloudVectorStoreConfig config;

    private final HttpClient httpUtil = new HttpClient();


    public QCloudVectorStore(QCloudVectorStoreConfig config) {
        this.config = config;
    }


    @Override
    public StoreResult storeInternal(List documents, StoreOptions options) {
        if (documents == null || documents.isEmpty()) {
            return StoreResult.success();
        }

        Map headers = new HashMap<>();
        headers.put("Content-Type", "application/json");
        headers.put("Authorization", "Bearer account=" + config.getAccount() + "&api_key=" + config.getApiKey());

        Map payloadMap = new HashMap<>();
        payloadMap.put("database", config.getDatabase());
        payloadMap.put("collection", options.getCollectionNameOrDefault(config.getDefaultCollectionName()));


        List> payloadDocs = new ArrayList<>();
        for (Document vectorDocument : documents) {
            Map document = new HashMap<>();
            if (vectorDocument.getMetadataMap() != null) {
                document.putAll(vectorDocument.getMetadataMap());
            }
            document.put("vector", vectorDocument.getVector());
            document.put("id", vectorDocument.getId());
            payloadDocs.add(document);
        }
        payloadMap.put("documents", payloadDocs);

        String payload = JSON.toJSONString(payloadMap);
        httpUtil.post(config.getHost() + "/document/upsert", headers, payload);
        return StoreResult.successWithIds(documents);
    }


    @Override
    public StoreResult deleteInternal(Collection