/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */

#include "strategy_manager.h"

#include "common/bqs_log.h"



namespace dgw {

namespace {

    const std::string UNKNOWN_POLICY = "";

}

StrategyManager &StrategyManager::GetInstance()

{

    static StrategyManager instance;

    return instance;

}



void StrategyManager::RegisterStrategy(const bqs::GroupPolicy policy,

                                       Strategy * strategy,

                                       const char_t * const strategyDesc)

{

    // Overwrite old when repeating

    strategy_[policy] = strategy;

    strategyDesc_[policy] = strategyDesc;

}



Strategy *StrategyManager::GetStrategy(const bqs::GroupPolicy policy) const

{

    const auto iter = strategy_.find(policy);

    if (iter != strategy_.end()) {

        return iter->second;

    }

    DGW_LOG_ERROR("[FSM] Failed policy:%d.", static_cast<int32_t>(policy));

    return nullptr;

}



const std::string &StrategyManager::GetStrategyDesc(const bqs::GroupPolicy policy) const

{

    const auto iter = strategyDesc_.find(policy);

    if (iter != strategyDesc_.end()) {

        return iter->second;

    }

    DGW_LOG_ERROR("[FSM] Failed policy:%d.", static_cast<int32_t>(policy));

    return UNKNOWN_POLICY;

}

}  // namespace dgw