/**
 *    Copyright (C) 2020-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#pragma once

#include <string>

#include "mongo/base/string_data.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/client/replica_set_monitor_server_parameters.h"
#include "mongo/client/replica_set_monitor_server_parameters_gen.h"
#include "mongo/db/server_parameter.h"
#include "mongo/platform/basic.h"
#include "mongo/util/assert_util.h"

namespace mongo {

/**
 * Test wrapper for tests that need to set and unset the replicaSetMonitorProtocol server parameter.
 */
class ReplicaSetMonitorProtocolTestUtil {
public:
    /**
     * Sets the replicaSetMonitorProtocol to 'protocol'.
     */
    static void setRSMProtocol(ReplicaSetMonitorProtocol protocol);

    /**
     * Restores the replicaSetMonitorProtocol parameter to its default value.
     */
    static void resetRSMProtocol();

private:
    /**
     * Finds the replicaSetMonitorProtocol ServerParameter.
     */
    static ServerParameter::Map::const_iterator findRSMProtocolServerParameter();

    static inline const std::string kRSMProtocolFieldName = "replicaSetMonitorProtocol";

    /**
     * A BSONObj containing the default for the replicaSetMonitorProtocol server parameter.
     */
    static inline const BSONObj kDefaultParameter =
        BSON(kRSMProtocolFieldName << toString(gReplicaSetMonitorProtocol));
};

}  // namespace mongo
