content: /*
   *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
   *  <p>
   *  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
   *  <p>
   *  http://www.apache.org/licenses/LICENSE-2.0
   *  <p>
   *  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.llm.tencent;
  
  import com.agentsflex.core.document.Document;
  import com.agentsflex.core.llm.BaseLlm;
  import com.agentsflex.core.llm.ChatOptions;
  import com.agentsflex.core.llm.StreamResponseListener;
  import com.agentsflex.core.llm.client.BaseLlmClientListener;
  import com.agentsflex.core.llm.client.HttpClient;
  import com.agentsflex.core.llm.client.LlmClient;
  import com.agentsflex.core.llm.client.LlmClientListener;
  import com.agentsflex.core.llm.client.impl.SseClient;
  import com.agentsflex.core.llm.embedding.EmbeddingOptions;
  import com.agentsflex.core.llm.response.AiMessageResponse;
  import com.agentsflex.core.parser.AiMessageParser;
  import com.agentsflex.core.prompt.Prompt;
  import com.agentsflex.core.store.VectorData;
  import com.agentsflex.core.util.LogUtil;
  import com.agentsflex.core.util.Maps;
  import com.agentsflex.core.util.StringUtil;
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.JSONPath;
  
  import java.util.Map;
  
  public class TencentlmLlm extends BaseLlm<TencentLlmConfig> {
  
      private HttpClient httpClient = new HttpClient();
      public AiMessageParser aiMessageParser = TencentLlmUtil.getAiMessageParser(false);
      public AiMessageParser aiStreamMessageParser = TencentLlmUtil.getAiMessageParser(true);
  
      public TencentlmLlm(TencentLlmConfig config) {
          super(config);
      }
  
      /**
       * 文档参考：https://cloud.tencent.com/document/product/1729/101841
       *
       * @param document 文档内容
       * @return 返回向量数据
       */
      @Override
      public VectorData embed(Document document, EmbeddingOptions options) {
          String payload = Maps.of("Input", document.getContent()).toJSON();
          Map<String, String> headers = TencentLlmUtil.createAuthorizationToken(config, "GetEmbedding", payload);
          String response = httpClient.post(config.getEndpoint(), headers, payload);
          if (config.isDebug()) {
              LogUtil.println(">>>>receive payload:" + response);
          }
          if (StringUtil.noText(response)) {
              return null;
          }
          VectorData vectorData = new VectorData();
          vectorData.setVector(JSONPath.read(response, "$.Response.Data[0].Embedding", double[].class));
          return vectorData;
      }
  
  
      @Override
      public AiMessageResponse chat(Prompt prompt, ChatOptions options) {
          String payload = TencentLlmUtil.promptToPayload(prompt, config, false, options);
          Map<String, String> headers = TencentLlmUtil.createAuthorizationToken(config, "ChatCompletions", payload);
          String response = httpClient.post(config.getEndpoint(), headers, payload);
          if (config.isDebug()) {
              LogUtil.println(">>>>receive payload:" + response);
          }
          if (StringUtil.noText(response)) {
              return AiMessageResponse.error(prompt, response, "no content for response.");
          }
  
          JSONObject jsonObject = JSON.parseObject(response);
          JSONObject error = jsonObject.getJSONObject("Response").getJSONObject("Error");
          AiMessageResponse messageResponse = new AiMessageResponse(prompt, response, aiMessageParser.parse(jsonObject));
          if (error != null && !error.isEmpty()) {
              messageResponse.setError(true);
              messageResponse.setErrorMessage(error.getString("Message"));
              messageResponse.setErrorType(error.getString("type"));
              messageResponse.setErrorCode(error.getString("Code"));
          }
          return messageResponse;
      }
  
  
      @Override
      public void chatStream(Prompt prompt, StreamResponseListener listener, ChatOptions options) {
          LlmClient llmClient = new SseClient();
          String payload = TencentLlmUtil.promptToPayload(prompt, config, true, options);
          Map<String, String> headers = TencentLlmUtil.createAuthorizationToken(config, "ChatCompletions", payload);
          LlmClientListener clientListener = new BaseLlmClientListener(this, llmClient, listener, prompt, aiStreamMessageParser);
          llmClient.start(config.getEndpoint(), headers, payload, clientListener, config);
      }
  
  }
  