/**
 * Copyright (c) 2026 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 "cos.h"
#include "opdev/aicpu/aicpu_task.h"
#include "opdev/make_op_executor.h"
#include "opdev/op_def.h"
#include "opdev/op_dfx.h"
#include "opdev/op_executor.h"
#include "opdev/op_log.h"
#include "opdev/platform.h"
#include "opdev/shape_utils.h"

using namespace op;
namespace l0op {
OP_TYPE_REGISTER(Cos);

static const std::initializer_list<DataType> ASCEND910_AICORE_DTYPE_SUPPORT_LIST = {
    DataType::DT_FLOAT, DataType::DT_FLOAT16};

static const std::initializer_list<DataType> ASCEND910B_AICORE_DTYPE_SUPPORT_LIST = {
    DataType::DT_FLOAT, DataType::DT_FLOAT16, DataType::DT_BF16};

// 根据芯片类型、dtype判断算子是否支持走aicore
static inline bool IsAiCoreSupport(DataType inputDtype)
{
    // 获取芯片类型
    NpuArch npuArch = GetCurrentPlatformInfo().GetCurNpuArch();
    if (npuArch == NpuArch::DAV_2201 || npuArch == NpuArch::DAV_3510) {
        return CheckType(inputDtype, ASCEND910B_AICORE_DTYPE_SUPPORT_LIST);
    }
    return CheckType(inputDtype, ASCEND910_AICORE_DTYPE_SUPPORT_LIST);
}

// AICORE算子kernel
static inline const aclTensor* CosAiCore(const aclTensor* input, aclTensor* output, aclOpExecutor* executor)
{
    L0_DFX(CosAiCore, input, output);
    // 使用框架宏ADD_TO_LAUNCHER_LIST_AICORE，将AiCore Cos算子加入任务队列
    auto ret = ADD_TO_LAUNCHER_LIST_AICORE(Cos, OP_INPUT(input), OP_OUTPUT(output));
    OP_CHECK(
        ret == ACL_SUCCESS, OP_LOGE(ACLNN_ERR_INNER_NULLPTR, "CosAiCore ADD_TO_LAUNCHER_LIST_AICORE failed."),
        return nullptr);
    return output;
}

// AICPU算子kernel
static inline const aclTensor* CosAiCpu(const aclTensor* input, aclTensor* output, aclOpExecutor* executor)
{
    L0_DFX(CosAiCpu, input, output);
    // 使用框架宏ADD_TO_LAUNCHER_LIST_AICPU，将AiCpu Cos算子加入任务队列
    static internal::AicpuTaskSpace space("Cos", ge::DEPEND_IN_SHAPE, true);
    auto ret = ADD_TO_LAUNCHER_LIST_AICPU(Cos, OP_ATTR_NAMES(), OP_INPUT(input), OP_OUTPUT(output));
    OP_CHECK(
        ret == ACL_SUCCESS, OP_LOGE(ACLNN_ERR_INNER_NULLPTR, "CosAiCpu ADD_TO_LAUNCHER_LIST_AICPU failed."),
        return nullptr);
    return output;
}

const aclTensor* Cos(const aclTensor* input, aclOpExecutor* executor)
{
    auto output = executor->AllocTensor(input->GetViewShape(), input->GetDataType());

    if (IsAiCoreSupport(input->GetDataType())) {
        return CosAiCore(input, output, executor);
    }
    return CosAiCpu(input, output, executor);
}
} // namespace l0op