/*
 * 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.spi.task;

import java.util.HashMap;

/**
 * running status for workflow and task nodes
 */
public enum ExecutionStatus {

    /**
     * status：
     * 0 submit success
     * 1 running
     * 2 ready pause
     * 3 pause
     * 4 ready stop
     * 5 stop
     * 6 failure
     * 7 success
     * 8 need fault tolerance
     * 9 kill
     * 10 waiting thread
     * 11 waiting depend node complete
     * 12 delay execution
     * 13 forced success
     */
    SUBMITTED_SUCCESS(0, "submit success"),
    RUNNING_EXECUTION(1, "running"),
    READY_PAUSE(2, "ready pause"),
    PAUSE(3, "pause"),
    READY_STOP(4, "ready stop"),
    STOP(5, "stop"),
    FAILURE(6, "failure"),
    SUCCESS(7, "success"),
    NEED_FAULT_TOLERANCE(8, "need fault tolerance"),
    KILL(9, "kill"),
    WAITTING_THREAD(10, "waiting thread"),
    WAITTING_DEPEND(11, "waiting depend node complete"),
    DELAY_EXECUTION(12, "delay execution"),
    FORCED_SUCCESS(13, "forced success");

    ExecutionStatus(int code, String descp) {
        this.code = code;
        this.descp = descp;
    }

    private final int code;
    private final String descp;

    private static final HashMap<Integer, ExecutionStatus> EXECUTION_STATUS_MAP = new HashMap<>();

    static {
        for (ExecutionStatus executionStatus : ExecutionStatus.values()) {
            EXECUTION_STATUS_MAP.put(executionStatus.code, executionStatus);
        }
    }

    /**
     * status is success
     *
     * @return status
     */
    public boolean typeIsSuccess() {
        return this == SUCCESS || this == FORCED_SUCCESS;
    }

    /**
     * status is failure
     *
     * @return status
     */
    public boolean typeIsFailure() {
        return this == FAILURE || this == NEED_FAULT_TOLERANCE || this == KILL;
    }

    /**
     * status is finished
     *
     * @return status
     */
    public boolean typeIsFinished() {
        return typeIsSuccess() || typeIsFailure() || typeIsCancel() || typeIsPause()
                || typeIsStop();
    }

    /**
     * status is waiting thread
     *
     * @return status
     */
    public boolean typeIsWaitingThread() {
        return this == WAITTING_THREAD;
    }

    /**
     * status is pause
     *
     * @return status
     */
    public boolean typeIsPause() {
        return this == PAUSE;
    }

    /**
     * status is pause
     *
     * @return status
     */
    public boolean typeIsStop() {
        return this == STOP;
    }

    /**
     * status is running
     *
     * @return status
     */
    public boolean typeIsRunning() {
        return this == RUNNING_EXECUTION || this == WAITTING_DEPEND || this == DELAY_EXECUTION;
    }

    /**
     * status is cancel
     *
     * @return status
     */
    public boolean typeIsCancel() {
        return this == KILL || this == STOP;
    }

    public int getCode() {
        return code;
    }

    public String getDescp() {
        return descp;
    }

    public static ExecutionStatus of(int status) {
        if (EXECUTION_STATUS_MAP.containsKey(status)) {
            return EXECUTION_STATUS_MAP.get(status);
        }
        throw new IllegalArgumentException("invalid status : " + status);
    }
}
