/**
 * Copyright 2019-2020 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 GE_GRAPH_LOAD_GRAPH_LOADER_H_
#define GE_GRAPH_LOAD_GRAPH_LOADER_H_

#include <memory>
#include <string>
#include <vector>

#include "common/debug/log.h"
#include "common/fmk_types.h"
#include "common/ge_types.h"
#include "graph/compute_graph.h"
#include "graph/manager/graph_manager_utils.h"
#include "graph/model.h"
#include "runtime/mem.h"

namespace ge {
class GraphLoader {
 public:
  GraphLoader();

  virtual ~GraphLoader();

  GraphLoader(const GraphLoader &in) = delete;

  GraphLoader &operator=(const GraphLoader &in) = delete;

  Status LoadGraph(const std::shared_ptr<ge::GeModel> &ge_model_ptr,
                   const std::shared_ptr<GraphModelListener> &model_listener, ModelIdInfo &model_id_info);

  Status LoadGraphAsync(const std::shared_ptr<ge::GeModel> &ge_model_ptr,
                        const std::shared_ptr<RunAsyncListener> &model_async_listener, ModelIdInfo &model_id_info);

  static Status UnloadModel(uint32_t model_id);

  static Status GetMaxUsedMemory(uint32_t model_id, uint64_t &max_size);

  static Status LoadModel(const ModelData &model_data, const std::shared_ptr<ModelListener> &listener,
                          uint32_t &model_id);

  static Status LoadModelFromFile(const std::string &path, const std::string &key_path, int32_t priority,
                                  const std::shared_ptr<ModelListener> &listener, uint32_t &model_id);

  static Status CommandHandle(const Command &command);

  static Status GetMemoryInfo(int64_t &free);

  static Status LoadDataFromFile(const std::string &path, const std::string &key_path, int32_t priority,
                                 ModelData &model_data);

  static Status LoadModelFromData(uint32_t &model_id, const ModelData &model_data, void *dev_ptr, size_t mem_size,
                                  void *weight_ptr, size_t weight_size);

  static Status LoadModelWithQ(uint32_t &model_id, const ModelData &model_data,
                               const std::vector<uint32_t> &input_queue_ids,
                               const std::vector<uint32_t> &output_queue_ids);

  static Status ExecuteModel(uint32_t model_id, rtStream_t stream, bool async_mode, const InputData &input_data,
                             OutputData &output_data);

 private:
  static Status LoadModelOnline(uint32_t &model_id, std::shared_ptr<ge::Model> &model,
                                const std::shared_ptr<ModelListener> &listener);
};
}  // namespace ge
#endif  // GE_GRAPH_LOAD_GRAPH_LOADER_H_