/*
 * Copyright 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
 *
 *          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 io.spring.migrateschedule.batch;

import java.util.List;

import io.spring.migrateschedule.service.ConvertScheduleInfo;
import io.spring.migrateschedule.service.MigrateScheduleService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.batch.item.ItemWriter;
import org.springframework.cloud.deployer.spi.scheduler.ScheduleInfo;
import org.springframework.cloud.deployer.spi.scheduler.Scheduler;

/**
 * Migrates the SchedulerTaskLauncher schedule to the new schedule.
 *
 * @author Glenn Renfro
 */
public class SchedulerWriter<C extends ScheduleInfo> implements ItemWriter<ConvertScheduleInfo> {

	private static final Logger logger = LoggerFactory.getLogger(SchedulerWriter.class);

	private Scheduler scheduler;

	private MigrateScheduleService scheduleService;

	public SchedulerWriter (MigrateScheduleService scheduleService, Scheduler scheduler) {
		this.scheduleService = scheduleService;
		this.scheduler = scheduler;
	}

	@Override
	public void write(List<? extends ConvertScheduleInfo> list) {
		for(ConvertScheduleInfo scheduleInfo : list) {
			logger.info(String.format("Migrating Schedule %s ", scheduleInfo.getScheduleName()));
			this.scheduleService.migrateSchedule(this.scheduler, scheduleInfo);
			logger.info(String.format("Migrated Schedule %s ", scheduleInfo.getScheduleName()));
		};
	}
}
