/*
 * Copyright 2015-2020 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 org.springframework.cloud.dataflow.configuration.metadata;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.dataflow.configuration.metadata.container.ContainerImageMetadataResolver;
import org.springframework.cloud.dataflow.configuration.metadata.container.DefaultContainerImageMetadataResolver;
import org.springframework.cloud.dataflow.container.registry.ContainerRegistryService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Automatically exposes an {@link ApplicationConfigurationMetadataResolver} if none is already registered.
 *
 * @author Eric Bottard
 * @author Christian Tzolov
 */
@Configuration
public class ApplicationConfigurationMetadataResolverAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean(ApplicationConfigurationMetadataResolver.class)
	public ApplicationConfigurationMetadataResolver metadataResolver(
			ContainerImageMetadataResolver containerImageMetadataResolver) {
		return new BootApplicationConfigurationMetadataResolver(containerImageMetadataResolver);
	}

	@Bean
	@ConditionalOnMissingBean(ContainerImageMetadataResolver.class)
	public ContainerImageMetadataResolver containerImageMetadataResolver(
			ContainerRegistryService containerRegistryService) {
		return new DefaultContainerImageMetadataResolver(containerRegistryService);
	}
}
