/* ************************************************************************
 * 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 "int64_helpers.hpp"
#include "logging.hpp"
#include "rocblas_syrk_herk.hpp"

namespace
{
    template <typename>
    constexpr char rocblas_syrk_name[] = "unknown";
    template <>
    constexpr char rocblas_syrk_name<float>[] = ROCBLAS_API_STR(rocblas_ssyrk);
    template <>
    constexpr char rocblas_syrk_name<double>[] = ROCBLAS_API_STR(rocblas_dsyrk);
    template <>
    constexpr char rocblas_syrk_name<rocblas_float_complex>[] = ROCBLAS_API_STR(rocblas_csyrk);
    template <>
    constexpr char rocblas_syrk_name<rocblas_double_complex>[] = ROCBLAS_API_STR(rocblas_zsyrk);

    template <typename API_INT, typename T>
    rocblas_status rocblas_syrk_impl(rocblas_handle    handle,
                                     rocblas_fill      uplo,
                                     rocblas_operation transA,
                                     API_INT           n,
                                     API_INT           k,
                                     const T*          alpha,
                                     const T*          A,
                                     API_INT           lda,
                                     const T*          beta,
                                     T*                C,
                                     API_INT           ldc)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        //Check if the handle is in the device memory size query, as there are two algorithms one which requires extra workspace memory and one which doesn't
        if(handle->is_device_memory_size_query())
        {
            //If rocblas_use_only_gemm is true then it is required to allocate extra workspace memory
            if(rocblas_use_only_gemm<T>(handle, n, k))
            {
                if(!n)
                    return rocblas_status_size_unchanged;
                size_t size = rocblas_internal_syrk_herk_workspace<T>(handle, n, k, 1);
                return handle->set_optimal_device_memory_size(size);
            }
            else
                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 | rocblas_layer_mode_log_bench
              | rocblas_layer_mode_log_profile))
        {
            auto uplo_letter   = rocblas_fill_letter(uplo);
            auto transA_letter = rocblas_transpose_letter(transA);

            if(layer_mode & rocblas_layer_mode_log_trace)
                logger.log_trace(handle,
                                 rocblas_syrk_name<T>,
                                 uplo,
                                 transA,
                                 n,
                                 k,
                                 LOG_TRACE_SCALAR_VALUE(handle, alpha),
                                 A,
                                 lda,
                                 LOG_TRACE_SCALAR_VALUE(handle, beta),
                                 C,
                                 ldc);

            if(layer_mode & rocblas_layer_mode_log_bench)
                logger.log_bench(handle,
                                 ROCBLAS_API_BENCH " -f syrk -r",
                                 rocblas_precision_string<T>,
                                 "--uplo",
                                 uplo_letter,
                                 "--transposeA",
                                 transA_letter,
                                 "-n",
                                 n,
                                 "-k",
                                 k,
                                 LOG_BENCH_SCALAR_VALUE(handle, alpha),
                                 "--lda",
                                 lda,
                                 LOG_BENCH_SCALAR_VALUE(handle, beta),
                                 "--ldc",
                                 ldc);

            if(layer_mode & rocblas_layer_mode_log_profile)
                logger.log_profile(handle,
                                   rocblas_syrk_name<T>,
                                   "uplo",
                                   uplo_letter,
                                   "transA",
                                   transA_letter,
                                   "N",
                                   n,
                                   "K",
                                   k,
                                   "lda",
                                   lda,
                                   "ldc",
                                   ldc);
        }

        static constexpr rocblas_stride offset_C = 0, offset_A = 0;
        static constexpr API_INT        batch_count = 1;
        static constexpr rocblas_stride stride_C = 0, stride_A = 0;

        rocblas_status arg_status = rocblas_syrk_arg_check<API_INT>(handle,
                                                                    uplo,
                                                                    transA,
                                                                    n,
                                                                    k,
                                                                    alpha,
                                                                    A,
                                                                    offset_A,
                                                                    lda,
                                                                    stride_A,
                                                                    beta,
                                                                    C,
                                                                    offset_C,
                                                                    ldc,
                                                                    stride_C,
                                                                    batch_count);
        if(arg_status != rocblas_status_continue)
            return arg_status;

        static constexpr bool Hermetian = false;
        if(check_numerics)
        {
            bool           is_input = true;
            rocblas_status syrk_check_numerics_status
                = rocblas_herk_syrk_check_numerics<Hermetian>(rocblas_syrk_name<T>,
                                                              handle,
                                                              uplo,
                                                              transA,
                                                              n,
                                                              k,
                                                              A,
                                                              lda,
                                                              stride_A,
                                                              C,
                                                              ldc,
                                                              stride_C,
                                                              batch_count,
                                                              check_numerics,
                                                              is_input);

            if(syrk_check_numerics_status != rocblas_status_success)
                return syrk_check_numerics_status;
        }

        rocblas_status status = rocblas_status_success;
        status                = ROCBLAS_API(rocblas_internal_syrk_template)(handle,
                                                             uplo,
                                                             transA,
                                                             n,
                                                             k,
                                                             alpha,
                                                             A,
                                                             offset_A,
                                                             lda,
                                                             stride_A,
                                                             beta,
                                                             C,
                                                             offset_C,
                                                             ldc,
                                                             stride_C,
                                                             batch_count);

        if(status != rocblas_status_success)
            return status;

        if(check_numerics)
        {
            bool           is_input = false;
            rocblas_status syrk_check_numerics_status
                = rocblas_herk_syrk_check_numerics<Hermetian>(rocblas_syrk_name<T>,
                                                              handle,
                                                              uplo,
                                                              transA,
                                                              n,
                                                              k,
                                                              A,
                                                              lda,
                                                              stride_A,
                                                              C,
                                                              ldc,
                                                              stride_C,
                                                              batch_count,
                                                              check_numerics,
                                                              is_input);

            if(syrk_check_numerics_status != rocblas_status_success)
                return syrk_check_numerics_status;
        }
        return status;
    }

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

#ifdef IMPL
#error IMPL ALREADY DEFINED
#endif

#define IMPL(routine_name_, TI_, T_)                                                            \
    rocblas_status routine_name_(rocblas_handle    handle,                                      \
                                 rocblas_fill      uplo,                                        \
                                 rocblas_operation transA,                                      \
                                 TI_               n,                                           \
                                 TI_               k,                                           \
                                 const T_*         alpha,                                       \
                                 const T_*         A,                                           \
                                 TI_               lda,                                         \
                                 const T_*         beta,                                        \
                                 T_*               C,                                           \
                                 TI_               ldc)                                         \
    try                                                                                         \
    {                                                                                           \
        return rocblas_syrk_impl<TI_>(handle, uplo, transA, n, k, alpha, A, lda, beta, C, ldc); \
    }                                                                                           \
    catch(...)                                                                                  \
    {                                                                                           \
        return exception_to_rocblas_status();                                                   \
    }

#define INST_SYRK_C_API(TI_)                                       \
    extern "C" {                                                   \
    IMPL(ROCBLAS_API(rocblas_ssyrk), TI_, float);                  \
    IMPL(ROCBLAS_API(rocblas_dsyrk), TI_, double);                 \
    IMPL(ROCBLAS_API(rocblas_csyrk), TI_, rocblas_float_complex);  \
    IMPL(ROCBLAS_API(rocblas_zsyrk), TI_, rocblas_double_complex); \
    } // extern "C"
