/*
 * Copyright 2015-2016 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
 *
 *     http://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 jp.classmethod.aws.gradle.elasticbeanstalk;

import lombok.Getter;
import lombok.Setter;

import org.gradle.api.internal.ConventionTask;
import org.gradle.api.tasks.TaskAction;

import com.amazonaws.services.elasticbeanstalk.AWSElasticBeanstalk;
import com.amazonaws.services.elasticbeanstalk.model.CreateApplicationRequest;
import com.amazonaws.services.elasticbeanstalk.model.DescribeApplicationsRequest;
import com.amazonaws.services.elasticbeanstalk.model.DescribeApplicationsResult;
import com.amazonaws.services.elasticbeanstalk.model.UpdateApplicationRequest;

public class AWSElasticBeanstalkCreateApplicationTask extends ConventionTask {
	
	@Getter
	@Setter
	private String appName;
	
	@Getter
	@Setter
	private String appDesc = "";
	
	
	public AWSElasticBeanstalkCreateApplicationTask() {
		setDescription("Create/Migrate ElasticBeanstalk Application.");
		setGroup("AWS");
	}
	
	@TaskAction
	public void createApplication() {
		// to enable conventionMappings feature
		String appName = getAppName();
		String appDesc = getAppDesc();
		
		AwsBeanstalkPluginExtension ext = getProject().getExtensions().getByType(AwsBeanstalkPluginExtension.class);
		AWSElasticBeanstalk eb = ext.getClient();
		
		DescribeApplicationsResult existingApps = eb.describeApplications(new DescribeApplicationsRequest()
			.withApplicationNames(appName));
		if (existingApps.getApplications().isEmpty()) {
			eb.createApplication(new CreateApplicationRequest()
				.withApplicationName(appName)
				.withDescription(appDesc));
			getLogger().info("application " + appName + " (" + appDesc + ") created");
		} else {
			eb.updateApplication(new UpdateApplicationRequest()
				.withApplicationName(appName)
				.withDescription(appDesc));
			getLogger().info("application " + appName + " (" + appDesc + ") updated");
		}
	}
}