/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#include "onnx_common.h"

#include "op_math_proto_extend.h"

#include "conversion/strided_slice_v2/op_graph/strided_slice_v2_proto.h"



using namespace std;

using namespace ge;

using ge::Operator;

namespace domi {

using NodeProto = ge::onnx::NodeProto;

static Status ParseParamSlice(const Message* op_src, ge::Operator& op_dest)

{

    const NodeProto* node = reinterpret_cast<const NodeProto*>(op_src);

    if (node == nullptr) {

        OP_LOGE(GetOpName(op_dest).c_str(), "Dynamic cast op_src to NodeProto failed.");

        return FAILED;

    }

    return SUCCESS;

}



static Status ParseParamSliceCall(const Message* op_src, ge::Operator& op_dest)

{

    const NodeProto* node = reinterpret_cast<const NodeProto*>(op_src);

    if (node == nullptr) {

        OP_LOGE(GetOpName(op_dest).c_str(), "Dynamic cast op_src to NodeProto failed.");

        return FAILED;

    }

    std::vector<int64_t> ends = {};

    std::vector<int64_t> starts = {};

    std::vector<int64_t> axes = {};



    bool is_have_axes = false;

    for (auto attr : node->attribute()) {

        if (attr.name() == "ends") {

            int num = attr.ints_size();

            for (int i = 0; i < num; ++i) {

                ends.push_back(attr.ints(i));

            }

        } else if (attr.name() == "starts") {

            int num = attr.ints_size();

            for (int i = 0; i < num; ++i) {

                starts.push_back(attr.ints(i));

            }

        } else if (attr.name() == "axes") {

            is_have_axes = true;

            int num = attr.ints_size();

            for (int i = 0; i < num; ++i) {

                axes.push_back(attr.ints(i));

            }

            op_dest.SetAttr("axes", axes);

        }

    }

    if (ends.empty() || starts.empty()) {

        OP_LOGE(GetOpName(op_dest).c_str(), "attr must have ends and starts");

        return FAILED;

    }



    op_dest.SetAttr("name", node->name());

    op_dest.SetAttr("end", ends);

    op_dest.SetAttr("begin", starts);

    op_dest.SetAttr("is_have_axes", is_have_axes);

    op_dest.SetAttr("original_type", "ai.onnx::9::Slice");

    op_dest.DynamicInputRegister("x", 1);

    op_dest.DynamicOutputRegister("y", 1);

    return SUCCESS;

}



static ge::Operator MakeConstOp(const ge::Operator& op, const std::string& attr_name)

{

    std::vector<int64_t> val = {};

    op.GetAttr(attr_name.c_str(), val);

    std::vector<int64_t> dims(1, val.size());

    ge::Tensor tensor = Vec2Tensor(val, dims, ge::DT_INT64);

    ge::Operator const_op = op::Const(attr_name.c_str()).set_attr_value(tensor);

    return const_op;

}



static Status ParseOpToGraphSlice(const ge::Operator& op, Graph& graph)

{

    std::string ori_name;

    if (op.GetAttr("name", ori_name) != SUCCESS) {

        OP_LOGE(GetOpName(op).c_str(), "get name from op failed.");

        return FAILED;

    }



    auto data_op = op::Data((ori_name + "_input1").c_str()).set_attr_index(0);

    auto const_op = MakeConstOp(op, "begin");

    auto const_op1 = MakeConstOp(op, "end");

    auto slice_op = op::StridedSliceV2((ori_name + "_StridedSliceV2").c_str())

                        .set_input_x(data_op)

                        .set_input_begin(const_op)

                        .set_input_end(const_op1);



    bool is_have_axes = false;

    op.GetAttr("is_have_axes", is_have_axes);

    if (is_have_axes) {

        auto const_op2 = MakeConstOp(op, "axes");

        slice_op.set_input_axes(const_op2);

    }



    std::vector<ge::Operator> inputs{data_op};

    std::vector<std::pair<ge::Operator, std::vector<size_t>>> output_indexs;

    output_indexs.emplace_back(slice_op, std::vector<size_t>{0});

    graph.SetInputs(inputs).SetOutputs(output_indexs);

    return SUCCESS;

}



REGISTER_CUSTOM_OP("PartitionedCall")

    .FrameworkType(ONNX)

    .OriginOpType(std::vector<ge::AscendString>{ge::AscendString("ai.onnx::8::Slice"),

                   ge::AscendString("ai.onnx::9::Slice")})

    .ParseParamsFn(ParseParamSliceCall)

    .ParseOpToGraphFn(ParseOpToGraphSlice)

    .ImplyType(ImplyType::TVM);



REGISTER_CUSTOM_OP("StridedSliceV2")

    .FrameworkType(ONNX)

    .OriginOpType({ge::AscendString("ai.onnx::11::Slice"),

                   ge::AscendString("ai.onnx::10::Slice"),

                   ge::AscendString("ai.onnx::12::Slice"),

                   ge::AscendString("ai.onnx::13::Slice"),

                   ge::AscendString("ai.onnx::14::Slice"),

                   ge::AscendString("ai.onnx::15::Slice"),

                   ge::AscendString("ai.onnx::16::Slice"),

                   ge::AscendString("ai.onnx::17::Slice"),

                   ge::AscendString("ai.onnx::18::Slice")})

    .ParseParamsFn(ParseParamSlice)

    .ImplyType(ImplyType::TVM);

}  // namespace domi