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/*
 * 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.common.utils.placeholder;

import org.apache.dolphinscheduler.common.Constants;
import org.apache.dolphinscheduler.common.enums.CommandType;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import static org.apache.dolphinscheduler.common.Constants.PARAMETER_FORMAT_DATE;
import static org.apache.dolphinscheduler.common.Constants.PARAMETER_FORMAT_TIME;
import static org.apache.dolphinscheduler.common.utils.DateUtils.format;
import static org.apache.commons.lang.time.DateUtils.addDays;


/**
 * business time utils
 */
public class BusinessTimeUtils {
    private BusinessTimeUtils() {
        throw new IllegalStateException("BusinessTimeUtils class");
    }

    /**
     * get business time in parameters by different command types
     *
     * @param commandType command type
     * @param runTime     run time or schedule time
     * @return business time
     */
    public static Map getBusinessTime(CommandType commandType, Date runTime) {
        Date businessDate = runTime;
        Map result = new HashMap<>();
        switch (commandType) {
            case COMPLEMENT_DATA:
                if (runTime == null) {
                    return result;
                }
            case START_PROCESS:
            case START_CURRENT_TASK_PROCESS:
            case RECOVER_TOLERANCE_FAULT_PROCESS:
            case RECOVER_SUSPENDED_PROCESS:
            case START_FAILURE_TASK_PROCESS:
            case REPEAT_RUNNING:
            case SCHEDULER:
            default:
                businessDate = addDays(new Date(), -1);
                if (runTime != null) {
                    /**
                     * If there is a scheduled time, take the scheduling time. Recovery from failed nodes, suspension of recovery, re-run for scheduling
                     */
                    businessDate = addDays(runTime, -1);
                }
                break;
        }
        Date businessCurrentDate = addDays(businessDate, 1);
        result.put(Constants.PARAMETER_CURRENT_DATE, format(businessCurrentDate, PARAMETER_FORMAT_DATE));
        result.put(Constants.PARAMETER_BUSINESS_DATE, format(businessDate, PARAMETER_FORMAT_DATE));
        result.put(Constants.PARAMETER_DATETIME, format(businessCurrentDate, PARAMETER_FORMAT_TIME));
        return result;
    }
}