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.siliconflow;
  
  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.StringUtil;
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.fastjson.JSONPath;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.function.Consumer;
  
  /**
   * @author daxian1218
   */
  public class SiliconflowLlm extends BaseLlm<SiliconflowConfig> {
  
      private final Map<String, String> headers = new HashMap<>();
      private final HttpClient httpClient = new HttpClient();
      private final AiMessageParser aiMessageParser = SiliconflowLlmUtil.getAiMessageParser(false);
      private final AiMessageParser streamMessageParser = SiliconflowLlmUtil.getAiMessageParser(true);
  
      public SiliconflowLlm(SiliconflowConfig config) {
          super(config);
          headers.put("Content-Type", "application/json");
          headers.put("Accept", "application/json");
          headers.put("Authorization", "Bearer " + getConfig().getApiKey());
      }
  
      public static SiliconflowLlm of(String apiKey) {
          SiliconflowConfig config = new SiliconflowConfig();
          config.setApiKey(apiKey);
          return new SiliconflowLlm(config);
      }
  
      @Override
      public AiMessageResponse chat(Prompt prompt, ChatOptions options) {
  
          Consumer<Map<String, String>> headersConfig = config.getHeadersConfig();
          if (headersConfig != null) {
              headersConfig.accept(headers);
          }
  
          String payload = SiliconflowLlmUtil.promptToPayload(prompt, config, options, false);
          String endpoint = config.getEndpoint();
          String response = httpClient.post(endpoint + "/chat/completions", headers, payload);
  
          if (config.isDebug()) {
              LogUtil.println(">>>>receive payload:" + response);
          }
  
          if (StringUtil.noText(response)) {
              return AiMessageResponse.error(prompt, response, "no content for response.");
          }
  
          if (response.startsWith("{")) {
              JSONObject jsonObject = JSON.parseObject(response);
              Integer code = jsonObject.getInteger("code");
              if (code != null) {
                  return AiMessageResponse.error(prompt, response, jsonObject.getString("message"));
              }
  
  
              return new AiMessageResponse(prompt, response, aiMessageParser.parse(jsonObject));
          }
  
          return AiMessageResponse.error(prompt, response, response);
      }
  
      @Override
      public void chatStream(Prompt prompt, StreamResponseListener streamResponseListener, ChatOptions chatOptions) {
          LlmClient llmClient = new SseClient();
          String payload = SiliconflowLlmUtil.promptToPayload(prompt, config, chatOptions, true);
          String endpoint = config.getEndpoint();
          LlmClientListener clientListener = new BaseLlmClientListener(this, llmClient, streamResponseListener, prompt, streamMessageParser);
          llmClient.start(endpoint + "/chat/completions", headers, payload, clientListener, config);
      }
  
      @Override
      public void chatStream(Prompt prompt, StreamResponseListener streamResponseListener) {
          chatStream(prompt, streamResponseListener, ChatOptions.DEFAULT);
      }
  
      @Override
      public VectorData embed(Document document, EmbeddingOptions embeddingOptions) {
          Consumer<Map<String, String>> headersConfig = config.getHeadersConfig();
          if (headersConfig != null) {
              headersConfig.accept(headers);
          }
  
          String payload = SiliconflowLlmUtil.documentToPayload(document, config, embeddingOptions);
          String endpoint = config.getEndpoint();
          String response = httpClient.post(endpoint + "/embeddings", headers, payload);
  
          if (config.isDebug()) {
              LogUtil.println(">>>>receive payload:" + response);
          }
  
          if (StringUtil.noText(response)) {
              return null;
          }
  
          if (response.startsWith("{")) {
              JSONObject jsonObject = JSON.parseObject(response);
              Integer code = jsonObject.getInteger("code");
              if (code != null) {
                  return null;
              }
              VectorData vectorData = new VectorData();
              vectorData.setVector(JSONPath.read(response, "$.data[0].embedding", double[].class));
  
              return vectorData;
          }
  
          return null;
      }
  }
  