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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.client.watcher;

import java.util.Locale;

public enum ExecutionState {

    // the condition of the watch was not met
    EXECUTION_NOT_NEEDED,

    // Execution has been throttled due to time-based throttling - this might only affect a single action though
    THROTTLED,

    // Execution has been throttled due to ack-based throttling/muting of an action - this might only affect a single action though
    ACKNOWLEDGED,

    // regular execution
    EXECUTED,

    // an error in the condition or the execution of the input
    FAILED,

    // a rejection due to a filled up threadpool
    THREADPOOL_REJECTION,

    // the execution was scheduled, but in between the watch was deleted
    NOT_EXECUTED_WATCH_MISSING,

    // even though the execution was scheduled, it was not executed, because the watch was already queued in the thread pool
    NOT_EXECUTED_ALREADY_QUEUED,

    // this can happen when a watch was executed, but not completely finished (the triggered watch entry was not deleted), and then
    // watcher is restarted (manually or due to host switch) - the triggered watch will be executed but the history entry already
    // exists
    EXECUTED_MULTIPLE_TIMES;

    public String id() {
        return name().toLowerCase(Locale.ROOT);
    }

    public static ExecutionState resolve(String id) {
        return valueOf(id.toUpperCase(Locale.ROOT));
    }

    @Override
    public String toString() {
        return id();
    }

}