/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.dolphinscheduler.service.cron;

import org.apache.dolphinscheduler.common.enums.CycleEnum;

import java.util.ArrayList;
import java.util.List;

import com.cronutils.model.Cron;

/**
 * DAG Cycle judge
 */
public class CycleLinks extends AbstractCycle {

    private final List<AbstractCycle> cycleList = new ArrayList<>();

    public CycleLinks(Cron cron) {
        super(cron);
    }

    /**
     * add cycle
     * @param cycle cycle
     * @return CycleLinks
     */
    @Override
    public CycleLinks addCycle(AbstractCycle cycle) {
        cycleList.add(cycle);
        return this;
    }

    /**
     * get cycle
     * @return CycleEnum
     */
    @Override
    protected CycleEnum getCycle() {
        for (AbstractCycle abstractCycle : cycleList) {
            CycleEnum cycle = abstractCycle.getCycle();
            if (cycle != null) {
                return cycle;
            }
        }

        return null;
    }

    /**
     * get mini cycle
     * @return CycleEnum
     */
    @Override
    protected CycleEnum getMiniCycle() {
        for (AbstractCycle cycleHelper : cycleList) {
            CycleEnum cycle = cycleHelper.getMiniCycle();
            if (cycle != null) {
                return cycle;
            }
        }

        return null;
    }
}
