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.image.siliconflow;
  
  import com.agentsflex.core.image.*;
  import com.agentsflex.core.llm.client.HttpClient;
  import com.agentsflex.core.util.Maps;
  import com.agentsflex.core.util.StringUtil;
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class SiliconImageModel implements ImageModel {
      private SiliconflowImageModelConfig config;
      private HttpClient httpClient = new HttpClient();
  
      public SiliconImageModel(SiliconflowImageModelConfig config) {
          this.config = config;
      }
  
      @Override
      public ImageResponse generate(GenerateImageRequest request) {
          Map<String, String> headers = new HashMap<>();
          headers.put("Content-Type", "application/json");
          headers.put("Authorization", "Bearer " + config.getApiKey());
  
          String payload = Maps.of("prompt", request.getPrompt())
              .setIfNotEmpty("negative_prompt", request.getNegativePrompt())
              .setOrDefault("image_size", request.getSize(), config.getImageSize())
              .setOrDefault("batch_size", request.getN(), 1)
              .setOrDefault("num_inference_steps", request.getOption("num_inference_steps"), config.getNumInferenceSteps())
              .setOrDefault("guidance_scale", request.getOption("guidance_scale"), config.getGuidanceScale())
              .toJSON();
  
          String url = config.getEndpoint() + SiliconflowImageModels.getPath(config.getModel());
          String response = httpClient.post(url, headers, payload);
          if (StringUtil.noText(response)) {
              return ImageResponse.error("response is no text");
          }
  
          if (StringUtil.notJsonObject(response)) {
              return ImageResponse.error(response);
          }
  
          JSONObject jsonObject = JSON.parseObject(response);
          JSONArray imagesArray = jsonObject.getJSONArray("images");
          if (imagesArray == null || imagesArray.isEmpty()) {
              return null;
          }
  
          ImageResponse imageResponse = new ImageResponse();
          for (int i = 0; i < imagesArray.size(); i++) {
              JSONObject imageObject = imagesArray.getJSONObject(i);
              imageResponse.addImage(imageObject.getString("url"));
          }
  
          return imageResponse;
      }
  
      @Override
      public ImageResponse img2imggenerate(GenerateImageRequest request) {
          return null;
      }
  
  
      @Override
      public ImageResponse edit(EditImageRequest request) {
          throw new IllegalStateException("SiliconImageModel Can not support edit image.");
      }
  
      @Override
      public ImageResponse vary(VaryImageRequest request) {
          throw new IllegalStateException("SiliconImageModel Can not support vary image.");
      }
  
  }
  