/* ************************************************************************
 * Copyright (C) 2016-2024 Advanced Micro Devices, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell cop-
 * ies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IM-
 * PLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNE-
 * CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * ************************************************************************ */
#pragma once

#include "handle.hpp"
#include "int64_helpers.hpp"
#include "logging.hpp"
#include "rocblas.h"
#include "rocblas_axpy.hpp"
#include "rocblas_block_sizes.h"
#include "utility.hpp"

namespace
{

    template <typename>
    constexpr char rocblas_axpy_batched_name[] = "unknown";
    template <>
    constexpr char rocblas_axpy_batched_name<float>[] = ROCBLAS_API_STR(rocblas_saxpy_batched);
    template <>
    constexpr char rocblas_axpy_batched_name<double>[] = ROCBLAS_API_STR(rocblas_daxpy_batched);
    template <>
    constexpr char rocblas_axpy_batched_name<rocblas_half>[]
        = ROCBLAS_API_STR(rocblas_haxpy_batched);
    template <>
    constexpr char rocblas_axpy_batched_name<rocblas_float_complex>[]
        = ROCBLAS_API_STR(rocblas_caxpy_batched);
    template <>
    constexpr char rocblas_axpy_batched_name<rocblas_double_complex>[]
        = ROCBLAS_API_STR(rocblas_zaxpy_batched);

    template <typename API_INT, rocblas_int NB, typename T>
    rocblas_status rocblas_axpy_batched_impl(rocblas_handle  handle,
                                             API_INT         n,
                                             const T*        alpha,
                                             const T* const* x,
                                             API_INT         incx,
                                             T* const*       y,
                                             API_INT         incy,
                                             API_INT         batch_count)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

        auto   layer_mode     = handle->layer_mode;
        auto   check_numerics = handle->check_numerics;
        Logger logger;
        if(layer_mode & rocblas_layer_mode_log_trace)
            logger.log_trace(handle,
                             rocblas_axpy_batched_name<T>,
                             n,
                             LOG_TRACE_SCALAR_VALUE(handle, alpha),
                             x,
                             incx,
                             y,
                             incy,
                             batch_count);

        if(layer_mode & rocblas_layer_mode_log_bench)
            logger.log_bench(handle,
                             ROCBLAS_API_BENCH " -f axpy_batched -r",
                             rocblas_precision_string<T>,
                             "-n",
                             n,
                             LOG_BENCH_SCALAR_VALUE(handle, alpha),
                             "--incx",
                             incx,
                             "--incy",
                             incy,
                             "--batch",
                             batch_count);

        if(layer_mode & rocblas_layer_mode_log_profile)
            logger.log_profile(handle,
                               rocblas_axpy_batched_name<T>,
                               "N",
                               n,
                               "incx",
                               incx,
                               "incy",
                               incy,
                               "batch",
                               batch_count);

        static constexpr rocblas_stride stride_0 = 0;
        static constexpr rocblas_stride offset_0 = 0;

        rocblas_status arg_status = rocblas_axpy_arg_check(handle,
                                                           n,
                                                           alpha,
                                                           x,
                                                           offset_0,
                                                           incx,
                                                           stride_0,
                                                           y,
                                                           offset_0,
                                                           incy,
                                                           stride_0,
                                                           batch_count);
        if(arg_status != rocblas_status_continue)
            return arg_status;

        if(check_numerics)
        {
            bool           is_input = true;
            rocblas_status axpy_check_numerics_status
                = rocblas_axpy_check_numerics(rocblas_axpy_batched_name<T>,
                                              handle,
                                              n,
                                              x,
                                              offset_0,
                                              incx,
                                              stride_0,
                                              y,
                                              offset_0,
                                              incy,
                                              stride_0,
                                              batch_count,
                                              check_numerics,
                                              is_input);
            if(axpy_check_numerics_status != rocblas_status_success)
                return axpy_check_numerics_status;
        }

        rocblas_status status = ROCBLAS_API(rocblas_internal_axpy_batched_template)(handle,
                                                                                    n,
                                                                                    alpha,
                                                                                    stride_0,
                                                                                    x,
                                                                                    offset_0,
                                                                                    incx,
                                                                                    stride_0,
                                                                                    y,
                                                                                    offset_0,
                                                                                    incy,
                                                                                    stride_0,
                                                                                    batch_count);
        if(status != rocblas_status_success)
            return status;

        if(check_numerics)
        {
            bool           is_input = false;
            rocblas_status axpy_check_numerics_status
                = rocblas_axpy_check_numerics(rocblas_axpy_batched_name<T>,
                                              handle,
                                              n,
                                              x,
                                              offset_0,
                                              incx,
                                              stride_0,
                                              y,
                                              offset_0,
                                              incy,
                                              stride_0,
                                              batch_count,
                                              check_numerics,
                                              is_input);
            if(axpy_check_numerics_status != rocblas_status_success)
                return axpy_check_numerics_status;
        }
        return status;
    }
}

/*
 * ===========================================================================
 *    C wrapper
 * ===========================================================================
 */

#ifdef IMPL
#error IMPL ALREADY DEFINED
#endif

#define IMPL(name_, TI_, T_)                                    \
    rocblas_status name_(rocblas_handle  handle,                \
                         TI_             n,                     \
                         const T_*       alpha,                 \
                         const T_* const x[],                   \
                         TI_             incx,                  \
                         T_* const       y[],                   \
                         TI_             incy,                  \
                         TI_             batch_count)           \
    try                                                         \
    {                                                           \
        return rocblas_axpy_batched_impl<TI_, ROCBLAS_AXPY_NB>( \
            handle, n, alpha, x, incx, y, incy, batch_count);   \
    }                                                           \
    catch(...)                                                  \
    {                                                           \
        return exception_to_rocblas_status();                   \
    }

#define INST_AXPY_BATCHED_C_API(TI_)                                       \
    extern "C" {                                                           \
    IMPL(ROCBLAS_API(rocblas_haxpy_batched), TI_, rocblas_half);           \
    IMPL(ROCBLAS_API(rocblas_saxpy_batched), TI_, float);                  \
    IMPL(ROCBLAS_API(rocblas_daxpy_batched), TI_, double);                 \
    IMPL(ROCBLAS_API(rocblas_caxpy_batched), TI_, rocblas_float_complex);  \
    IMPL(ROCBLAS_API(rocblas_zaxpy_batched), TI_, rocblas_double_complex); \
    } // extern "C"
