/**
 * 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 INC_GRAPH_UTILS_OP_DESC_UTILS_H_
#define INC_GRAPH_UTILS_OP_DESC_UTILS_H_

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

#include "graph/def_types.h"
#include "graph/node.h"
#include "graph/op_desc.h"
#include "graph/operator.h"
#include "graph/range_vistor.h"

namespace ge {
class OpDesc;

using OpDescPtr = std::shared_ptr<OpDesc>;

class OpDescUtils {
 public:
  template <class T>
  using Vistor = RangeVistor<T, std::shared_ptr<OpDesc>>;

  OpDescUtils() = default;
  ~OpDescUtils() = default;
  static bool HasQuantizeFactorParams(const OpDescPtr &op_desc);
  static bool HasQuantizeFactorParams(const OpDesc &op_desc);
  static graphStatus GetQuantizeFactorParams(const OpDescPtr &op_desc, QuantizeFactorParams &quant);
  static graphStatus GetQuantizeFactorParams(const OpDesc &op_desc, QuantizeFactorParams &quant);
  static graphStatus SetQuantizeFactorParams(const OpDescPtr &op_desc, const QuantizeFactorParams &quant);
  static graphStatus SetQuantizeFactorParams(OpDesc &op_desc, const QuantizeFactorParams &quant);

  static vector<ge::NodePtr> GetConstInputNode(const ge::Node &node);
  static vector<ConstGeTensorPtr> GetInputData(const vector<ge::NodePtr> &input_nodes);

  static vector<ConstGeTensorPtr> GetWeights(const ge::Node &node);
  static vector<ConstGeTensorPtr> GetWeights(const ge::ConstNodePtr &node);
  static vector<GeTensorPtr> MutableWeights(const ge::Node &node);
  static vector<GeTensorPtr> MutableWeights(const ge::NodePtr node);
  static graphStatus SetWeights(ge::Node &node, const vector<ge::GeTensorPtr> &weights);
  static graphStatus SetWeights(ge::NodePtr node, const vector<ge::GeTensorPtr> &weights);
  static graphStatus ClearWeights(ge::NodePtr node);

  static bool ClearInputDesc(ge::OpDescPtr op_desc, uint32_t index);
  static bool ClearInputDesc(const ge::NodePtr &node);
  static bool ClearOutputDesc(const ge::OpDescPtr &op_desc, uint32_t index);
  static bool ClearOutputDesc(const ge::NodePtr &node);
  static vector<ge::NodePtr> GetConstInputs(const ge::Node &node);
  static vector<ge::NodePtr> GetConstInputs(const ge::ConstNodePtr &node);
  static size_t GetNonConstInputsSize(const ge::Node &node);
  static size_t GetNonConstInputsSize(ge::ConstNodePtr node);
  // Index: Indicate the index of all non const inputs
  static GeTensorDesc GetNonConstInputTensorDesc(const ge::Node &node, size_t index_non_const = 0);
  static GeTensorDesc GetNonConstInputTensorDesc(const ge::ConstNodePtr &node, size_t index_non_const = 0);
  static bool GetNonConstInputIndex(const ge::Node &node, size_t index_non_const, size_t &index);
  static bool GetNonConstInputIndex(const ge::ConstNodePtr &node, size_t index_non_const, size_t &index);
  // Index: Indicate the index of all inputs
  static bool IsNonConstInput(const ge::Node &node, size_t index = 0);
  static bool IsNonConstInput(const ge::ConstNodePtr &node, size_t index = 0);

  static vector<ge::GeTensorDesc> GetNonConstTensorDesc(const ge::ConstNodePtr &node);
  static graphStatus AddConstOpToAnchor(InDataAnchorPtr in_anchor, const GeTensorPtr &tensor_ptr);

  static Operator CreateOperatorFromOpDesc(OpDescPtr op_desc);
  static Operator CreateOperatorFromNode(ge::ConstNodePtr node_ptr);
  static OpDescPtr GetOpDescFromOperator(const Operator &oprt);

  static OpDescPtr CreateConstOp(const GeTensorPtr &tensor_ptr);

 private:
  static GeTensorPtr MutableWeights(ge::OpDesc &op_desc);
  static GeTensorPtr MutableWeights(ge::OpDescPtr op_desc);
  static graphStatus SetWeights(ge::OpDesc &op_desc, const GeTensorPtr weight);
  static graphStatus SetWeights(ge::OpDescPtr op_desc, const GeTensorPtr weight);
};
}  // namespace ge
#endif  // INC_GRAPH_UTILS_OP_DESC_UTILS_H_