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.coze;
  
  import com.agentsflex.core.message.Message;
  import com.agentsflex.core.message.MessageStatus;
  import com.agentsflex.core.parser.AiMessageParser;
  import com.agentsflex.core.parser.impl.DefaultAiMessageParser;
  import com.agentsflex.core.prompt.DefaultPromptFormat;
  import com.agentsflex.core.prompt.Prompt;
  import com.agentsflex.core.prompt.PromptFormat;
  import com.agentsflex.core.util.Maps;
  import com.alibaba.fastjson.JSONPath;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * @author yulsh
   */
  public class CozeLlmUtil {
  
      private static final PromptFormat promptFormat = new DefaultPromptFormat() {
          @Override
          protected void buildMessageContent(Message message, Map<String, Object> map) {
              map.put("content_type", "text");
              super.buildMessageContent(message, map);
          }
      };
  
      public static AiMessageParser getAiMessageParser() {
          DefaultAiMessageParser aiMessageParser = new DefaultAiMessageParser();
          aiMessageParser.setContentPath("$.content");
          aiMessageParser.setTotalTokensPath("$.usage.token_count");
          aiMessageParser.setCompletionTokensPath("$.usage.output_count");
          aiMessageParser.setPromptTokensPath("$.usage.input_count");
  
          aiMessageParser.setStatusParser(content -> {
              Boolean done = (Boolean) JSONPath.eval(content, "$.done");
              if (done != null && done){
                  return MessageStatus.END;
              }
              return MessageStatus.MIDDLE;
          });
          return aiMessageParser;
      }
  
  
      public static String promptToPayload(Prompt prompt, String botId, String userId, Map<String, String> customVariables, boolean stream) {
          List<Message> messages = prompt.toMessages();
          return Maps.of()
              .set("bot_id", botId)
              .set("user_id", userId)
              .set("auto_save_history", true)
              .set("additional_messages", promptFormat.toMessagesJsonObject(messages))
              .set("stream", stream)
              .setIf(customVariables != null, "custom_variables", customVariables)
              .toJSON();
      }
  
  }
  