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.autoconfigure.mcp.router;
  
  import com.alibaba.cloud.ai.mcp.router.config.McpRouterProperties;
  import com.alibaba.cloud.ai.mcp.router.core.discovery.CompositeMcpServiceDiscovery;
  import com.alibaba.cloud.ai.mcp.router.core.discovery.McpServiceDiscovery;
  import com.alibaba.cloud.ai.mcp.router.core.discovery.McpServiceDiscoveryFactory;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.boot.autoconfigure.AutoConfiguration;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Primary;
  
  import java.util.List;
  
  /**
   * Register McpServiceDiscovery to McpServiceDiscoveryFactory.
   *
   * @author digitzh
   */
  @AutoConfiguration
  @EnableConfigurationProperties(McpRouterProperties.class)
  @ConditionalOnProperty(prefix = McpRouterProperties.CONFIG_PREFIX, name = "enabled", havingValue = "true",
  		matchIfMissing = false)
  public class McpServiceDiscoveryAutoConfiguration {
  
  	private static final Logger log = LoggerFactory.getLogger(McpServiceDiscoveryAutoConfiguration.class);
  
  	@Bean
  	public McpServiceDiscoveryFactory mcpServiceDiscoveryFactory() {
  		log.info("Creating MCP service discovery factory");
  		return new McpServiceDiscoveryFactory();
  	}
  
  	@Bean
  	@Primary
  	public McpServiceDiscovery compositeMcpServiceDiscovery(McpServiceDiscoveryFactory discoveryFactory,
  			McpRouterProperties properties) {
  
  		List<String> searchOrder = getSearchOrder(properties);
  		log.info("Creating composite MCP service discovery with search order: {}", searchOrder);
  
  		return new CompositeMcpServiceDiscovery(discoveryFactory, searchOrder);
  	}
  
  	private List<String> getSearchOrder(McpRouterProperties properties) {
  		if (properties.getDiscoveryOrder() != null && !properties.getDiscoveryOrder().isEmpty()) {
  			return properties.getDiscoveryOrder();
  		}
  
  		return List.of("nacos");
  	}
  
  }
  