/*
 *    Copyright (c) 2018-2025, hnqz All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the pig4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Author: hnqz
 */

package net.yyc.common.gray.nacos;

import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 网关场景注册 {@link NacosCrossGroupInstanceSelector}，供跨 Group 负载均衡使用。
 */
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(name = "org.springframework.cloud.gateway.filter.GlobalFilter")
@ConditionalOnBean(NacosDiscoveryProperties.class)
public class NacosCrossGroupGatewayAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean
	public NacosCrossGroupInstanceSelector nacosCrossGroupInstanceSelector(
			NacosDiscoveryProperties nacosDiscoveryProperties) {
		return new NacosCrossGroupInstanceSelector(nacosDiscoveryProperties);
	}

}
