// Copyright (c) ONNX Project Contributors

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

// Adapter for Slice in default domain from version 9 to 10

#pragma once

#include <memory>
#include <vector>

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

namespace ONNX_NAMESPACE {
namespace version_conversion {

class Slice_9_10 final : public Adapter {
 public:
  explicit Slice_9_10() : Adapter("Slice", OpSetID(9), OpSetID(10)) {}

  void attrToInput(const std::shared_ptr<Graph>& graph, Node* node, const std::vector<int64_t>& attr) const {
    Tensor t;
    t.elem_type() = TensorProto_DataType_INT64;
    t.sizes() = std::vector<int64_t>{static_cast<int64_t>(attr.size())};
    auto& data = t.int64s();
    for (auto a : attr) {
      data.emplace_back(a);
    }
    Node* constant = graph->create(kConstant);
    constant->insertBefore(node);
    constant->t_(kvalue, t);
    node->addInput(constant->output());
  }

  void adapt_slice_9_10(const std::shared_ptr<Graph>& graph, Node* node) const {
    attrToInput(graph, node, node->is(kstarts));
    node->removeAttribute(kstarts);
    attrToInput(graph, node, node->is(kends));
    node->removeAttribute(kends);

    if (node->hasAttribute(kaxes)) {
      attrToInput(graph, node, node->is(kaxes));
      node->removeAttribute(kaxes);
    }
  }

  Node* adapt(std::shared_ptr<Graph> graph, Node* node) const override {
    adapt_slice_9_10(graph, node);
    return node;
  }
};

} // namespace version_conversion
} // namespace ONNX_NAMESPACE