/*
 * SPDX-License-Identifier: Apache-2.0
 */

// Default converter for ONNX models between different opset versions
// in the default domain ("" or "ai.onnx").

#pragma once

#include "onnx/version_converter/BaseConverter.h"
#include "onnx/version_converter/adapters/axes_attribute_to_input.h"
#include "onnx/version_converter/adapters/axes_input_to_attribute.h"
#include "onnx/version_converter/adapters/batch_normalization_13_14.h"
#include "onnx/version_converter/adapters/broadcast_backward_compatibility.h"
#include "onnx/version_converter/adapters/broadcast_forward_compatibility.h"
#include "onnx/version_converter/adapters/cast_9_8.h"
#include "onnx/version_converter/adapters/clip_10_11.h"
#include "onnx/version_converter/adapters/compatible.h"
#include "onnx/version_converter/adapters/dropout_11_12.h"
#include "onnx/version_converter/adapters/extend_supported_types.h"
#include "onnx/version_converter/adapters/gemm_6_7.h"
#include "onnx/version_converter/adapters/gemm_7_6.h"
#include "onnx/version_converter/adapters/maxpool_8_7.h"
#include "onnx/version_converter/adapters/no_previous_version.h"
#include "onnx/version_converter/adapters/pad_10_11.h"
#include "onnx/version_converter/adapters/reshape_4_5.h"
#include "onnx/version_converter/adapters/reshape_5_4.h"
#include "onnx/version_converter/adapters/resize_10_11.h"
#include "onnx/version_converter/adapters/scan_8_9.h"
#include "onnx/version_converter/adapters/scan_9_8.h"
#include "onnx/version_converter/adapters/scatter_10_11.h"
#include "onnx/version_converter/adapters/slice_9_10.h"
#include "onnx/version_converter/adapters/softmax_12_13.h"
#include "onnx/version_converter/adapters/split_12_13.h"
#include "onnx/version_converter/adapters/split_13_12.h"
#include "onnx/version_converter/adapters/sum_8_7.h"
#include "onnx/version_converter/adapters/topk_9_10.h"
#include "onnx/version_converter/adapters/type_restriction.h"
#include "onnx/version_converter/adapters/upsample_6_7.h"
#include "onnx/version_converter/adapters/upsample_8_9.h"
#include "onnx/version_converter/adapters/upsample_9_10.h"
#include "onnx/version_converter/adapters/upsample_9_8.h"

#include "onnx/version_converter/adapters/transformers.h"

namespace ONNX_NAMESPACE {
namespace version_conversion {

class DefaultVersionConverter : public BaseVersionConverter {
 private:
  bool DEBUG = false;

  std::pair<int, int> version_range;

  bool searchOpDomainMap(
      const std::unordered_map<std::string, std::map<int64_t, const OpSchema*>>& op_domain_map,
      int64_t curr_version,
      int64_t step) const {
    bool up = step == 1;
    const auto version_it = op_domain_map.find("");
    return version_it != op_domain_map.end() &&
        ((version_it->second.find(curr_version) != version_it->second.end() && !up) ||
         (version_it->second.find(curr_version + step) != version_it->second.end() && up));
  }

  void debug(const std::string& str) const {
    if (DEBUG)
      std::cerr << str << std::endl;
  }

  void assertInVersionRange(int64_t version) const {
    ONNX_ASSERTM(
        version >= version_range.first && version <= version_range.second,
        "Warning: invalid version (must be between %d and %d)",
        version_range.first,
        version_range.second);
  }

  void assertDefaultDomain(const std::string& initial_domain, const std::string& target_domain) const {
    ONNX_ASSERTM(
        (initial_domain == "" || initial_domain == "ai.onnx") && (target_domain == "" || target_domain == "ai.onnx"),
        "Warning: default onnx version converter can only convert "
        " between default domain opset versions ('' or 'ai.onnx')\n");
    ONNX_ASSERTM(initial_domain == target_domain, "initial_version and target_version must have the same domains");
  }

  void convert_graph(std::shared_ptr<Graph> g, const OpSetID& initial_version, const OpSetID& target_version) const;

 public:
  DefaultVersionConverter() {
    const std::unordered_map<std::string, std::pair<int, int>>& versions_map =
        OpSchemaRegistry::DomainToVersionRange::Instance().Map();
    version_range = versions_map.at("");
    // Register adapters to the version converter
    const std::vector<OpSchema> all_opschemas = OpSchemaRegistry::get_all_schemas_with_history();

    for (const OpSchema& schema : all_opschemas) {
      all_schemas[schema.Name()][schema.domain()][(int64_t)schema.since_version()] = &schema;
    }

    // Iterate through all_schemas to determine NoPreviousVersionAdapters
    for (auto& op_pair : all_schemas) {
      const auto default_versions = op_pair.second.find("");
      if (default_versions != op_pair.second.end()) {
        int64_t min_version = version_range.second;
        for (auto& version_pair : default_versions->second) {
          if (version_pair.first < min_version) {
            min_version = version_pair.first;
          }
        }
        if (min_version > 1) {
          registerAdapter(
              make_unique<NoPreviousVersionAdapter>(op_pair.first, OpSetID(min_version), OpSetID(min_version - 1)));
        }
      }
    }

    /******** 1 -> 2 ********/
    // Missing in this group: GlobalLpPool, LpPool, Pad, Split

    /******** 2 -> 3 ********/
    // Missing in this group: GRU

    /******** 3 -> 4 ********/
    registerAdapter("Concat", 3, 4, SetAttributeIfAbsent(kaxis, 1));

    /******** 4 -> 3 ********/
    std::vector<TensorProto_DataType> concat_unallowed_types = {
        TensorProto_DataType_INT32,
        TensorProto_DataType_INT64,
        TensorProto_DataType_UINT32,
        TensorProto_DataType_UINT64,
        TensorProto_DataType_UINT8,
        TensorProto_DataType_UINT16,
        TensorProto_DataType_INT8,
        TensorProto_DataType_INT16,
        TensorProto_DataType_STRING,
        TensorProto_DataType_BOOL};
    registerAdapter(make_unique<TypeRestriction>("Concat", OpSetID(4), OpSetID(3), concat_unallowed_types));

    /******** 4 -> 5 ********/
    registerAdapter(make_unique<Reshape_4_5>());

    /******** 5 -> 4 ********/
    registerAdapter(make_unique<Reshape_5_4>());

    /******** 5 -> 6 ********/
    // Missing in this group: Cast, Tile
    auto removeConsumedInputs = RemoveAttribute(kconsumed_inputs);
    registerAdapter("Add", 5, 6, removeConsumedInputs);
    registerAdapter("Mul", 5, 6, removeConsumedInputs);
    registerAdapter(make_unique<CompatibleAdapter>("Gemm", OpSetID(5), OpSetID(6)));
    registerAdapter("Relu", 5, 6, removeConsumedInputs);
    registerAdapter("BatchNormalization", 5, 6, removeConsumedInputs);
    registerAdapter("Sum", 5, 6, removeConsumedInputs);
    registerAdapter("Dropout", 5, 6, removeConsumedInputs);
    registerAdapter("Abs", 5, 6, removeConsumedInputs);
    registerAdapter("Ceil", 5, 6, removeConsumedInputs);
    registerAdapter("Clip", 5, 6, removeConsumedInputs);
    registerAdapter("Div", 5, 6, removeConsumedInputs);
    registerAdapter("Elu", 5, 6, removeConsumedInputs);
    registerAdapter("Exp", 5, 6, removeConsumedInputs);
    registerAdapter("Floor", 5, 6, removeConsumedInputs);
    registerAdapter("HardSigmoid", 5, 6, removeConsumedInputs);
    registerAdapter("InstanceNormalization", 5, 6, removeConsumedInputs);
    registerAdapter("LeakyRelu", 5, 6, removeConsumedInputs);
    registerAdapter("Log", 5, 6, removeConsumedInputs);
    registerAdapter("Max", 5, 6, removeConsumedInputs);
    registerAdapter("Mean", 5, 6, removeConsumedInputs);
    registerAdapter("Min", 5, 6, removeConsumedInputs);
    registerAdapter("Neg", 5, 6, removeConsumedInputs);
    registerAdapter("PRelu", 5, 6, removeConsumedInputs);
    registerAdapter("Reciprocal", 5, 6, removeConsumedInputs);
    registerAdapter("Selu", 5, 6, removeConsumedInputs);
    registerAdapter("Sigmoid", 5, 6, removeConsumedInputs);
    registerAdapter("Sqrt", 5, 6, removeConsumedInputs);
    registerAdapter("Sub", 5, 6, removeConsumedInputs);
    registerAdapter("Tanh", 5, 6, removeConsumedInputs);

    /******** 6 -> 5 ********/
    std::vector<TensorProto_DataType> broadcast_unallowed_types = {
        TensorProto_DataType_INT32,
        TensorProto_DataType_INT64,
        TensorProto_DataType_UINT32,
        TensorProto_DataType_UINT64};
    std::vector<TensorProto_DataType> int_unallowed_types = {
        TensorProto_DataType_UINT8,
        TensorProto_DataType_UINT16,
        TensorProto_DataType_UINT32,
        TensorProto_DataType_UINT64,
        TensorProto_DataType_INT8,
        TensorProto_DataType_INT16,
        TensorProto_DataType_INT32,
        TensorProto_DataType_INT64};
    std::vector<TensorProto_DataType> neg_unallowed_types = {
        TensorProto_DataType_INT32, TensorProto_DataType_INT8, TensorProto_DataType_UINT16, TensorProto_DataType_INT64};
    registerAdapter(make_unique<TypeRestriction>("Add", OpSetID(6), OpSetID(5), broadcast_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Mul", OpSetID(6), OpSetID(5), broadcast_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Sub", OpSetID(6), OpSetID(5), broadcast_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Div", OpSetID(6), OpSetID(5), broadcast_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Abs", OpSetID(6), OpSetID(5), int_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Neg", OpSetID(6), OpSetID(5), neg_unallowed_types));
    registerAdapter("BatchNormalization", 6, 5, SetAttribute(kconsumed_inputs, std::vector<int64_t>({0, 0})));
    registerAdapter(make_unique<CompatibleAdapter>("Gemm", OpSetID(6), OpSetID(5)));
    registerAdapter(make_unique<CompatibleAdapter>("Relu", OpSetID(6), OpSetID(5)));
    registerAdapter(make_unique<CompatibleAdapter>("Sum", OpSetID(6), OpSetID(5)));
    registerAdapter(make_unique<CompatibleAdapter>("Dropout", OpSetID(6), OpSetID(5)));

    /******** 6 -> 7 ********/
    // Missing in this group: And, Equal, Greater, GRU, Less, LSTM, Or, RNN, Upsample, Xor
    registerAdapter(make_unique<BroadcastForwardCompatibility>("Add", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<CompatibleAdapter>("AveragePool", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<BroadcastForwardCompatibility>("Div", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<BroadcastForwardCompatibility>("Mul", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<BroadcastForwardCompatibility>("Pow", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<CompatibleAdapter>("PRelu", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<BroadcastForwardCompatibility>("Sub", OpSetID(6), OpSetID(7)));
    registerAdapter(make_unique<Gemm_6_7>());
    registerAdapter("BatchNormalization", 6, 7, RemoveAttributeNotEq(kis_test, 0));
    registerAdapter("Dropout", 6, 7, RemoveAttributeNotEq(kis_test, 0));
    registerAdapter(make_unique<Upsample_6_7>());

    /******** 7 -> 6 ********/
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Add", OpSetID(7), OpSetID(6)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Div", OpSetID(7), OpSetID(6)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Mul", OpSetID(7), OpSetID(6)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Pow", OpSetID(7), OpSetID(6)));
    registerAdapter(make_unique<CompatibleAdapter>("PRelu", OpSetID(7), OpSetID(6)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Sub", OpSetID(7), OpSetID(6)));
    registerAdapter("BatchNormalization", 7, 6, SetAttribute(kis_test, 1));
    registerAdapter("Dropout", 7, 6, SetAttribute(kis_test, 1));
    registerAdapter(make_unique<Gemm_7_6>());
    registerAdapter("AveragePool", 7, 6, RemoveAttribute(kcount_include_pad, 0));

    /******** 7 -> 8 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Max", OpSetID(7), OpSetID(8)));
    registerAdapter(make_unique<CompatibleAdapter>("Min", OpSetID(7), OpSetID(8)));
    registerAdapter(make_unique<CompatibleAdapter>("Mean", OpSetID(7), OpSetID(8)));
    registerAdapter(make_unique<CompatibleAdapter>("Sum", OpSetID(7), OpSetID(8)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxPool", OpSetID(7), OpSetID(8)));

    /******** 8 -> 7 ********/
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Max", OpSetID(8), OpSetID(7)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Min", OpSetID(8), OpSetID(7)));
    registerAdapter(make_unique<BroadcastBackwardCompatibility>("Mean", OpSetID(8), OpSetID(7)));
    registerAdapter(make_unique<Sum_8_7>());
    registerAdapter(make_unique<MaxPool_8_7>());

    /******** 8 -> 9 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Flatten", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("MatMul", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("Gemm", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("PRelu", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("Greater", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("Less", OpSetID(8), OpSetID(9)));
    registerAdapter(make_unique<CompatibleAdapter>("Cast", OpSetID(8), OpSetID(9)));
    registerAdapter("BatchNormalization", 8, 9, RemoveAttribute(kspatial, 1));
    registerAdapter(make_unique<Scan_8_9>());
    registerAdapter(make_unique<Upsample_8_9>());

    /******** 9 -> 8 ********/
    registerAdapter(make_unique<CompatibleAdapter>("BatchNormalization", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("Flatten", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("Constant", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("MatMul", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("Gemm", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("PRelu", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("Greater", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<ExtendSupportedTypes>("Less", OpSetID(9), OpSetID(8)));
    registerAdapter(make_unique<Cast_9_8>());
    registerAdapter(make_unique<Scan_9_8>());
    registerAdapter(make_unique<Upsample_9_8>());

    /******** 9 -> 10 ********/
    registerAdapter(make_unique<CompatibleAdapter>("AveragePool", OpSetID(9), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxPool", OpSetID(9), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Dropout", OpSetID(9), OpSetID(10)));
    registerAdapter(make_unique<Slice_9_10>());
    registerAdapter(make_unique<TopK_9_10>());
    registerAdapter(make_unique<Upsample_9_10>());

    /******** 10 -> 9 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Dropout", OpSetID(10), OpSetID(9)));

    /******** 10 -> 11 ********/
    registerAdapter(make_unique<CompatibleAdapter>("ArgMax", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ArgMin", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("AveragePool", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Concat", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Compress", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Conv", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ConvTranspose", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("DepthToSpace", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Equal", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Flatten", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Gather", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Gemm", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Hardmax", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("If", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("LogSoftmax", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Loop", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("LpPool", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxPool", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxUnpool", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("NonMaxSuppression", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("OneHot", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL1", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL2", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSum", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSumExp", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMax", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMean", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMin", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceProd", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceSum", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceSumSquare", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Scan", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Softmax", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Slice", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Split", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Squeeze", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("TopK", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<CompatibleAdapter>("Unsqueeze", OpSetID(10), OpSetID(11)));
    registerAdapter(make_unique<Clip_10_11>());
    registerAdapter(make_unique<Pad_10_11>());
    registerAdapter(make_unique<Resize_10_11>());
    registerAdapter(make_unique<Scatter_10_11>());

    /******** 11 -> 10 ********/
    std::vector<TensorProto_DataType> equal_unallowed_types = {
        TensorProto_DataType_UINT8,
        TensorProto_DataType_UINT16,
        TensorProto_DataType_UINT32,
        TensorProto_DataType_UINT64,
        TensorProto_DataType_INT8,
        TensorProto_DataType_INT16,
        TensorProto_DataType_FLOAT16,
        TensorProto_DataType_FLOAT,
        TensorProto_DataType_DOUBLE};
    registerAdapter(make_unique<CompatibleAdapter>("ArgMax", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ArgMin", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("AveragePool", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Concat", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Conv", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ConvTranspose", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<TypeRestriction>("Equal", OpSetID(11), OpSetID(10), equal_unallowed_types));
    registerAdapter(make_unique<CompatibleAdapter>("Flatten", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("LogSoftmax", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxPool", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL1", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL2", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSum", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSumExp", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMax", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMean", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMin", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceProd", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceSum", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceSumSquare", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Softmax", OpSetID(11), OpSetID(10)));
    registerAdapter(make_unique<CompatibleAdapter>("Unsqueeze", OpSetID(11), OpSetID(10)));

    /******** 11 -> 12 ********/
    registerAdapter(make_unique<CompatibleAdapter>("ArgMax", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("ArgMin", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("BatchNormalization", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("Clip", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("GatherND", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("Min", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("Max", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("MaxPool", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("Pow", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMax", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMin", OpSetID(11), OpSetID(12)));
    registerAdapter(make_unique<Dropout_11_12>());

    /******** 12 -> 11 ********/
    std::vector<TensorProto_DataType> maxpool_unallowed_types = {TensorProto_DataType_UINT8, TensorProto_DataType_INT8};
    registerAdapter("ArgMax", 12, 11, RemoveAttribute(kselect_last_index, 0));
    registerAdapter("ArgMin", 12, 11, RemoveAttribute(kselect_last_index, 0));
    registerAdapter(make_unique<CompatibleAdapter>("BatchNormalization", OpSetID(12), OpSetID(11)));
    registerAdapter(make_unique<TypeRestriction>("Clip", OpSetID(12), OpSetID(11), int_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Min", OpSetID(12), OpSetID(11), int_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("Max", OpSetID(12), OpSetID(11), int_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("MaxPool", OpSetID(12), OpSetID(11), maxpool_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("ReduceMax", OpSetID(12), OpSetID(11), maxpool_unallowed_types));
    registerAdapter(make_unique<TypeRestriction>("ReduceMin", OpSetID(12), OpSetID(11), maxpool_unallowed_types));

    /******** 12 -> 13 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Abs", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Add", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ArgMin", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ArgMax", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Cast", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Ceil", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Clip", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Concat", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("DepthToSpace", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("DequantizeLinear", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Div", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Dropout", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Equal", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Erf", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Exp", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Expand", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Flatten", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Floor", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Gather", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("GatherElements", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("GatherND", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Gemm", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Greater", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Hardmax", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Identity", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("If", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("IsNaN", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Less", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Log", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Loop", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("LRN", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("NegativeLogLikelihoodLoss", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("MatMul", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Max", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Mean", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("MeanVarianceNormalization", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Min", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Mod", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Mul", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Neg", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("NonZero", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Pow", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Pad", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("QuantizeLinear", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Reciprocal", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL1", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceL2", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSum", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceLogSumExp", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMean", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMax", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceMin", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceProd", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ReduceSumSquare", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Relu", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Reshape", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Resize", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ScatterElements", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("ScatterND", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Shape", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Sigmoid", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Sign", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Size", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Slice", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("SoftmaxCrossEntropyLoss", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("SpaceToDepth", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Sqrt", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Sub", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Sum", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Tanh", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Tile", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<CompatibleAdapter>("Transpose", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<AxesAttributeToInput>("ReduceSum", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<AxesAttributeToInput>("Squeeze", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<AxesAttributeToInput>("Unsqueeze", OpSetID(12), OpSetID(13)));
    registerAdapter(make_unique<Split_12_13>());
    registerAdapter(make_unique<Softmax_12_13>("Softmax"));
    registerAdapter(make_unique<Softmax_12_13>("LogSoftmax"));

    /******** 13 -> 12 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Constant", OpSetID(13), OpSetID(12)));
    registerAdapter(make_unique<AxesInputToAttribute>("ReduceSum", OpSetID(13), OpSetID(12)));
    registerAdapter(make_unique<AxesInputToAttribute>("Squeeze", OpSetID(13), OpSetID(12)));
    registerAdapter(make_unique<AxesInputToAttribute>("Unsqueeze", OpSetID(13), OpSetID(12)));
    registerAdapter(make_unique<Split_13_12>());

    /******** 13 -> 14 ********/
    registerAdapter(make_unique<CompatibleAdapter>("Add", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("CumSum", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Div", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Identity", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Mul", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Relu", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Reshape", OpSetID(13), OpSetID(14)));
    registerAdapter(make_unique<CompatibleAdapter>("Sub", OpSetID(13), OpSetID(14)));
    registerAdapter("GRU", 13, 14, SetAttribute(klayout, 0));
    registerAdapter("LSTM", 13, 14, SetAttribute(klayout, 0));
    registerAdapter("RNN", 13, 14, SetAttribute(klayout, 0));
    registerAdapter(make_unique<BatchNormalization_13_14>());

    /******** 14 -> 13 ********/
    registerAdapter("GRU", 14, 13, RemoveAttribute(klayout, 0));
    registerAdapter("LSTM", 14, 13, RemoveAttribute(klayout, 0));
    registerAdapter("RNN", 14, 13, RemoveAttribute(klayout, 0));

    /******** 14 -> 15 ********/
    registerAdapter(make_unique<CompatibleAdapter>("BatchNormalization", OpSetID(14), OpSetID(15)));
    registerAdapter(make_unique<CompatibleAdapter>("Pow", OpSetID(14), OpSetID(15)));
    registerAdapter(make_unique<CompatibleAdapter>("Shape", OpSetID(14), OpSetID(15)));

    /******** 15 -> 16 ********/
    registerAdapter("RoiAlign", 15, 16, SetAttribute(kcoordinate_transformation_mode, "output_half_pixel"));
    registerAdapter(make_unique<CompatibleAdapter>("ScatterElements", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("ScatterND", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("Identity", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("Loop", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("If", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("Where", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("Scan", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("LessOrEqual", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("GreaterOrEqual", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("LeakyRelu", OpSetID(15), OpSetID(16)));
    registerAdapter(make_unique<CompatibleAdapter>("PRelu", OpSetID(15), OpSetID(16)));
  }

  ModelProto convert_version(const ModelProto& mp_in, const OpSetID& initial_version, const OpSetID& target_version)
      const override;
};

ModelProto ConvertVersion(const ModelProto& mp_in, int target_version);
} // namespace version_conversion
} // namespace ONNX_NAMESPACE
