content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * 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
   *
   *      https://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.alibaba.cloud.ai.studio.admin.generator.service.generator.workflow.sections;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  import com.alibaba.cloud.ai.studio.admin.generator.model.workflow.Node;
  import com.alibaba.cloud.ai.studio.admin.generator.model.workflow.NodeType;
  import com.alibaba.cloud.ai.studio.admin.generator.model.workflow.nodedata.ToolNodeData;
  import com.alibaba.cloud.ai.studio.admin.generator.service.generator.workflow.NodeSection;
  
  import org.springframework.stereotype.Component;
  
  @Component
  public class ToolNodeSection implements NodeSection<ToolNodeData> {
  
  	@Override
  	public boolean support(NodeType nodeType) {
  		return NodeType.TOOL.equals(nodeType);
  	}
  
  	@Override
  	public String render(Node node, String varName) {
  		ToolNodeData d = (ToolNodeData) node.getData();
  		String id = node.getId();
  		StringBuilder sb = new StringBuilder();
  
  		sb.append(String.format("// —— ToolNode [%s] ——%n", id));
  		sb.append(String.format("ToolNode %s = ToolNode.builder()%n", varName));
  
  		if (d.getLlmResponseKey() != null) {
  			sb.append(String.format(".llmResponseKey(\"%s\")%n", escape(d.getLlmResponseKey())));
  		}
  
  		if (d.getOutputKey() != null) {
  			sb.append(String.format(".outputKey(\"%s\")%n", escape(d.getOutputKey())));
  		}
  
  		List<String> names = d.getToolNames();
  		if (names != null && !names.isEmpty()) {
  			String joined = names.stream()
  				.map(this::escape)
  				.map(s -> "\"" + s + "\"")
  				.collect(Collectors.joining(", "));
  			sb.append(String.format(".toolNames(List.of(%s))%n", joined));
  		}
  
  		List<String> callbacks = d.getToolCallbacks();
  		if (callbacks != null && !callbacks.isEmpty()) {
  			String joined = callbacks.stream()
  				.map(this::escape)
  				.map(s -> "\"" + s + "\"")
  				.collect(Collectors.joining(", "));
  			sb.append(String.format(".toolCallbacks(List.of(%s))%n", joined));
  		}
  
  		// todo: 给一些常用的Tool，提供可以直接应用的ToolCallBack
  		sb.append("""
  				.toolCallbackResolver(toolName ->
  				// todo: Implement the corresponding ToolCallBack according to the tool name
  				FunctionToolCallback.builder(toolName, Function.identity()).build())
  				""");
  
  		sb.append(".build();\n");
  		sb.append(String.format("stateGraph.addNode(\"%s\", AsyncNodeAction.node_async(%s));%n%n", varName, varName));
  
  		return sb.toString();
  	}
  
  	@Override
  	public List<String> getImports() {
  		return List.of("com.alibaba.cloud.ai.graph.node.ToolNode", "java.util.function.Function",
  				"org.springframework.ai.tool.function.FunctionToolCallback");
  	}
  
  }
  