// Tencent is pleased to support the open source community by making TNN available.
//
// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// 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.

#ifndef TNN_SOURCE_TNN_INTERPRETER_NCNN_OPTIMIZER_NCNN_OPTMIZER_MANAGER_H_
#define TNN_SOURCE_TNN_INTERPRETER_NCNN_OPTIMIZER_NCNN_OPTMIZER_MANAGER_H_

#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "tnn/core/common.h"
#include "tnn/core/status.h"
#include "tnn/interpreter/net_resource.h"
#include "tnn/interpreter/net_structure.h"
#include "tnn/interpreter/ncnn/optimizer/ncnn_optimizer.h"

namespace TNN_NS {

namespace ncnn {


    //@brief ncnn optimize manager
    class NCNNOptimizerManager {
    public:
        static Status Optimize(NetStructure *structure, NetResource *resource);

        static void RegisterNetOptimizer(NCNNOptimizer *ptimizer);

    private:
        static std::map<std::string, std::shared_ptr<NCNNOptimizer>>
            &GetNetOptimizerMap();

        static std::vector<std::string> &GetNetOptimizerSeq();
    };

    template <typename T>
    class NCNNOptimizerRegister {
    public:
        explicit NCNNOptimizerRegister() {
            NCNNOptimizerManager::RegisterNetOptimizer(new T());
        }
    };

}  // namespace ncnn

}  // namespace TNN_NS

#endif  // TNN_SOURCE_TNN_INTERPRETER_NCNN_OPTIMIZER_NCNN_OPTMIZER_MANAGER_H_
