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/*
 * Copyright 2014 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 com.foreach.across.modules.ldap.config;

import com.foreach.across.core.events.AcrossContextBootstrappedEvent;
import com.foreach.across.modules.ldap.LdapModuleSettings;
import com.foreach.across.modules.ldap.tasks.LdapSynchronizationTask;
import lombok.RequiredArgsConstructor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.EventListener;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

import java.time.Instant;

/**
 * @author Marc Vanbrabant
 * @since 1.0.0
 */
@Configuration
@EnableScheduling
@ConditionalOnBean(LdapSynchronizationTask.class)
@RequiredArgsConstructor
public class LdapSchedulerTaskConfiguration
{
	private TaskScheduler taskScheduler;
	private final LdapSynchronizationTask ldapSynchronizationTask;
	private final LdapModuleSettings ldapModuleSettings;

	@EventListener
	public void registerTasks( AcrossContextBootstrappedEvent ignore ) {
		Instant initial = Instant.now().plus( ldapModuleSettings.getSynchronizationTaskInitialDelay() );

		taskScheduler.scheduleWithFixedDelay( ldapSynchronizationTask, initial, ldapModuleSettings.getSynchronizationTaskInterval() );
	}

	@Bean(destroyMethod = "shutdown")
	public TaskScheduler taskScheduler() {
		taskScheduler = new ThreadPoolTaskScheduler();
		return taskScheduler;
	}
}