/*
 * Copyright 2013-present 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.nacos;

import com.alibaba.cloud.nacos.configdata.NacosConfigRefreshEventListener;
import com.alibaba.cloud.nacos.refresh.SmartConfigurationPropertiesRebinder;
import com.alibaba.cloud.nacos.refresh.condition.ConditionalOnNonDefaultBehavior;
import org.slf4j.LoggerFactory;

import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.SearchStrategy;
import org.springframework.cloud.context.properties.ConfigurationPropertiesBeans;
import org.springframework.cloud.context.properties.ConfigurationPropertiesRebinder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;

/**
 * @author juven.xuxb
 * @author freeman
 */
@Configuration(proxyBeanMethods = false)
@Conditional(NacosConfigEnabledCondition.class)
public class NacosConfigSpringCloudAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean(search = SearchStrategy.CURRENT)
	@ConditionalOnNonDefaultBehavior
	public ConfigurationPropertiesRebinder smartConfigurationPropertiesRebinder(ConfigurationPropertiesBeans beans) {
		// If using default behavior, not use SmartConfigurationPropertiesRebinder.
		// Minimize te possibility of making mistakes.
		return new SmartConfigurationPropertiesRebinder(beans);
	}

	@Bean(name = "nacosConfigSpringCloudRefreshEventListener")
	public NacosConfigRefreshEventListener nacosConfigRefreshEventListener() {
		return new NacosConfigRefreshEventListener();
	}

	@Configuration(proxyBeanMethods = false)
	@ConditionalOnProperty(name = "spring.cloud.nacos.config.enable-check-bootstrap", matchIfMissing = true)
	@ConditionalOnClass(name = "org.springframework.cloud.bootstrap.marker.Marker")
	static class BootstrapDetectionConfiguration {
		BootstrapDetectionConfiguration() {
			LoggerFactory.getLogger(BootstrapDetectionConfiguration.class)
					.warn("Including 'org.springframework.cloud:spring-cloud-starter-bootstrap' will prevent Nacos Config from working properly."
					+ "Please remove this dependency. For details, please refer to: https://github.com/alibaba/spring-cloud-alibaba/issues/4259");
		}
	}

}
