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.mcp.gateway.nacos.provider;
  
  import com.alibaba.cloud.ai.mcp.gateway.core.McpGatewayToolDefinition;
  import com.alibaba.cloud.ai.mcp.gateway.core.McpGatewayToolManager;
  import com.alibaba.cloud.ai.mcp.gateway.nacos.callback.NacosMcpGatewayToolCallback;
  import io.modelcontextprotocol.server.McpAsyncServer;
  import org.springframework.ai.mcp.McpToolUtils;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class NacosMcpAsyncGatewayToolsProvider implements McpGatewayToolManager {
  
  	private final McpAsyncServer mcpAsyncServer;
  
  	private final Map<String, NacosMcpGatewayToolCallback> toolCallbacks = new HashMap<>();
  
  	public NacosMcpAsyncGatewayToolsProvider(final McpAsyncServer mcpAsyncServer) {
  		this.mcpAsyncServer = mcpAsyncServer;
  	}
  
  	@Override
  	public void addTool(final McpGatewayToolDefinition toolDefinition) {
  		try {
  			removeTool(toolDefinition.name());
  		}
  		catch (Exception e) {
  			// Ignore exception
  		}
  		NacosMcpGatewayToolCallback toolCallback = new NacosMcpGatewayToolCallback(toolDefinition);
  		toolCallbacks.put(toolDefinition.name(), toolCallback);
  		mcpAsyncServer.addTool(McpToolUtils.toAsyncToolSpecification(toolCallback)).block();
  	}
  
  	@Override
  	public void removeTool(final String toolName) {
  		NacosMcpGatewayToolCallback toolCallback = toolCallbacks.remove(toolName);
  		if (toolCallback != null) {
  			toolCallback.close();
  		}
  		mcpAsyncServer.removeTool(toolName).block();
  	}
  
  }
  