/*
 * 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.kylin.tool.routine;

import java.util.List;

import org.apache.kylin.common.util.OptionsHelper;
import org.apache.kylin.common.util.Unsafe;
import org.apache.kylin.helper.RoutineToolHelper;
import org.apache.kylin.tool.MaintainModeTool;
import org.apache.kylin.tool.util.ToolMainWrapper;

import org.apache.kylin.metadata.epoch.EpochManager;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public class FastRoutineTool extends RoutineTool {

    @Override
    protected void execute(OptionsHelper optionsHelper) throws Exception {
        if (printUsage(optionsHelper)) {
            return;
        }
        initOptionValues(optionsHelper);
        List<String> projectsToCleanup = getProjectsToCleanup();
        try {
            if (isMetadataCleanup()) {
                System.out.println("Start to fast cleanup metadata");
                MaintainModeTool maintainModeTool = new MaintainModeTool("fast routine tool");
                maintainModeTool.init();
                maintainModeTool.markEpochs();
                if (EpochManager.getInstance().isMaintenanceMode()) {
                    Runtime.getRuntime().addShutdownHook(new Thread(maintainModeTool::releaseEpochs));
                }
                RoutineToolHelper.cleanMeta(projectsToCleanup);
            }
            System.out.println("Start to fast cleanup hdfs");
            cleanStorage();
        } catch (Exception e) {
            log.error("Failed to execute fast routintool", e);
        }
    }

    public static void main(String[] args) {
        ToolMainWrapper.wrap(args, () -> {
            FastRoutineTool tool = new FastRoutineTool();
            tool.execute(args);
        });
        Unsafe.systemExit(0);
    }
}
