/**
 *    Copyright (C) 2018-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.
 */

#ifdef _WIN32

#include "mongo/platform/basic.h"

#include "mongo/client/sasl_sspi_options.h"

#include <string>
#include <vector>

#include "mongo/base/status.h"
#include "mongo/util/options_parser/startup_option_init.h"
#include "mongo/util/options_parser/startup_options.h"

namespace mongo {

SASLSSPIGlobalParams saslSSPIGlobalParams;

Status storeSASLSSPIOptions(const moe::Environment& params) {
    if (params.count("security.sspiHostnameCanonicalization")) {
        if (params["security.sspiHostnameCanonicalization"].as<std::string>() == "none") {
            saslSSPIGlobalParams.canonicalization = HostnameCanonicalizationMode::kNone;
        } else if (params["security.sspiHostnameCanonicalization"].as<std::string>() == "forward") {
            saslSSPIGlobalParams.canonicalization = HostnameCanonicalizationMode::kForward;
        } else if (params["security.sspiHostnameCanonicalization"].as<std::string>() ==
                   "forwardAndReverse") {
            saslSSPIGlobalParams.canonicalization =
                HostnameCanonicalizationMode::kForwardAndReverse;
        } else {
            return Status(ErrorCodes::InvalidOptions,
                          "Unrecognized sspiHostnameCanonicalization option");
        }
    }

    return Status::OK();
}

MONGO_STARTUP_OPTIONS_STORE(SASLSSPIOptions)(InitializerContext* context) {
    uassertStatusOK(storeSASLSSPIOptions(moe::startupOptionsParsed));
}

}  // namespace mongo

#endif  // ifdef _WIN32