/* ************************************************************************
 * Copyright (C) 2016-2023 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.
 *
 * ************************************************************************ */

#include "rocblas_gemm_ex3.hpp"
#include "handle.hpp"
#include "logging.hpp"
#include "rocblas.h"
#include "utility.hpp"

namespace
{
    rocblas_status rocblas_gemm_ex3_impl(rocblas_handle      handle,
                                         rocblas_operation   trans_a,
                                         rocblas_operation   trans_b,
                                         rocblas_int         m,
                                         rocblas_int         n,
                                         rocblas_int         k,
                                         const void*         alpha,
                                         const void*         a,
                                         rocblas_datatype    a_type,
                                         rocblas_int         lda,
                                         const void*         b,
                                         rocblas_datatype    b_type,
                                         rocblas_int         ldb,
                                         const void*         beta,
                                         const void*         c,
                                         rocblas_datatype    c_type,
                                         rocblas_int         ldc,
                                         void*               d,
                                         rocblas_datatype    d_type,
                                         rocblas_int         ldd,
                                         rocblas_computetype compute_type,
                                         rocblas_gemm_algo   algo,
                                         int32_t             solution_index,
                                         uint32_t            flags)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        if(handle->getArch() >= 940 && handle->getArch() < 1000)
        {
            const bool HPA = true; //compute_type == rocblas_datatype_f32_r
                //&& (a_type == rocblas_datatype_f16_r || a_type == rocblas_datatype_bf16_r);

            if(!HPA)
                RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

            // Copy alpha and beta to host if on device
            rocblas_union_t alpha_h, beta_h;
            RETURN_IF_ROCBLAS_ERROR(rocblas_copy_alpha_beta_to_host_if_on_device(
                handle, alpha, beta, alpha_h, beta_h, k, compute_type));

            auto saved_pointer_mode = handle->push_pointer_mode(rocblas_pointer_mode_host);

            // If this is a solution fitness query (internal testing), bypass logging and error checks
            if(handle->get_solution_fitness_query())
                goto solution_fitness_query;

            if(!handle->is_device_memory_size_query())
            {
                // Perform logging
                auto layer_mode = handle->layer_mode;
                if(layer_mode
                   & (rocblas_layer_mode_log_trace | rocblas_layer_mode_log_bench
                      | rocblas_layer_mode_log_profile))
                {
                    char trans_a_letter, trans_b_letter;
                    if(layer_mode & (rocblas_layer_mode_log_bench | rocblas_layer_mode_log_profile))
                    {
                        trans_a_letter = rocblas_transpose_letter(trans_a);
                        trans_b_letter = rocblas_transpose_letter(trans_b);
                    }
                    auto a_type_string       = rocblas_datatype_string(a_type);
                    auto b_type_string       = rocblas_datatype_string(b_type);
                    auto c_type_string       = rocblas_datatype_string(c_type);
                    auto d_type_string       = rocblas_datatype_string(d_type);
                    auto compute_type_string = rocblas_datatype_string(compute_type);

                    if(layer_mode & rocblas_layer_mode_log_trace)
                    {
                        rocblas_internal_ostream alphass, betass;
                        if(log_trace_alpha_beta_ex(compute_type, alpha, beta, alphass, betass)
                           == rocblas_status_success)
                        {
                            log_trace(handle,
                                      "rocblas_gemm_ex3",
                                      trans_a,
                                      trans_b,
                                      m,
                                      n,
                                      k,
                                      alphass.str(),
                                      a,
                                      a_type_string,
                                      lda,
                                      b,
                                      b_type_string,
                                      ldb,
                                      betass.str(),
                                      c,
                                      c_type_string,
                                      ldc,
                                      d,
                                      d_type_string,
                                      ldd,
                                      compute_type_string,
                                      algo,
                                      solution_index,
                                      rocblas_gemm_flags(flags));
                        }
                    }

                    if(layer_mode & rocblas_layer_mode_log_bench)
                    {
                        std::string alphas, betas;
                        if(log_bench_alpha_beta_ex(compute_type, alpha, beta, alphas, betas)
                           == rocblas_status_success)
                        {

                            log_bench(handle,
                                      "./rocblas-bench -f gemm_ex3",
                                      "--transposeA",
                                      trans_a_letter,
                                      "--transposeB",
                                      trans_b_letter,
                                      "-m",
                                      m,
                                      "-n",
                                      n,
                                      "-k",
                                      k,
                                      alphas,
                                      "--a_type",
                                      a_type_string,
                                      "--lda",
                                      lda,
                                      "--b_type",
                                      b_type_string,
                                      "--ldb",
                                      ldb,
                                      betas,
                                      "--c_type",
                                      c_type_string,
                                      "--ldc",
                                      ldc,
                                      "--d_type",
                                      d_type_string,
                                      "--ldd",
                                      ldd,
                                      "--composite_compute_type",
                                      compute_type_string,
                                      "--algo",
                                      algo,
                                      "--solution_index",
                                      solution_index,
                                      "--flags",
                                      flags);
                        }
                    }

                    if(layer_mode & rocblas_layer_mode_log_profile)
                    {
                        log_profile(handle,
                                    "rocblas_gemm_ex3",
                                    "a_type",
                                    a_type_string,
                                    "b_type",
                                    b_type_string,
                                    "c_type",
                                    c_type_string,
                                    "d_type",
                                    d_type_string,
                                    "compute_type",
                                    compute_type_string,
                                    "transA",
                                    trans_a_letter,
                                    "transB",
                                    trans_b_letter,
                                    "M",
                                    m,
                                    "N",
                                    n,
                                    "K",
                                    k,
                                    "alpha",
                                    value_category(alpha, compute_type),
                                    "lda",
                                    lda,
                                    "ldb",
                                    ldb,
                                    "beta",
                                    value_category(beta, compute_type),
                                    "ldc",
                                    ldc,
                                    "ldd",
                                    ldd,
                                    "algo",
                                    algo,
                                    "solution_index",
                                    solution_index,
                                    "flags",
                                    rocblas_gemm_flags(flags));
                    }
                }
            }

            {
                auto validArgs = validateArgs(handle,
                                              trans_a,
                                              trans_b,
                                              m,
                                              n,
                                              k,
                                              alpha,
                                              a,
                                              lda,
                                              b,
                                              ldb,
                                              beta,
                                              c,
                                              c_type,
                                              ldc,
                                              d,
                                              d_type,
                                              ldd,
                                              compute_type);

                if(validArgs != rocblas_status_continue)
                {
                    if(validArgs == rocblas_status_success)
                        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);
                    return validArgs;
                }
            }

        solution_fitness_query:
            rocblas_int batch_count = 1;

            // TODO: These strides could be 0 ( {} ) instead of 1 ( {1} ) once Tensile is fixed
            rocblas_stride stride_a{1}, stride_b{1}, stride_c{1}, stride_d{1};

            return rocblas_gemm_ex3_template<false>(handle,
                                                    trans_a,
                                                    trans_b,
                                                    m,
                                                    n,
                                                    k,
                                                    alpha,
                                                    a,
                                                    a_type,
                                                    0,
                                                    lda,
                                                    stride_a,
                                                    b,
                                                    b_type,
                                                    0,
                                                    ldb,
                                                    stride_b,
                                                    beta,
                                                    c,
                                                    c_type,
                                                    0,
                                                    ldc,
                                                    stride_c,
                                                    d,
                                                    d_type,
                                                    0,
                                                    ldd,
                                                    stride_d,
                                                    batch_count,
                                                    compute_type,
                                                    flags);
        }
        else
            return rocblas_status_arch_mismatch;
    }
} // namespace

extern "C" rocblas_status rocblas_gemm_ex3(rocblas_handle      handle,
                                           rocblas_operation   trans_a,
                                           rocblas_operation   trans_b,
                                           rocblas_int         m,
                                           rocblas_int         n,
                                           rocblas_int         k,
                                           const void*         alpha,
                                           const void*         a,
                                           rocblas_datatype    a_type,
                                           rocblas_int         lda,
                                           const void*         b,
                                           rocblas_datatype    b_type,
                                           rocblas_int         ldb,
                                           const void*         beta,
                                           const void*         c,
                                           rocblas_datatype    c_type,
                                           rocblas_int         ldc,
                                           void*               d,
                                           rocblas_datatype    d_type,
                                           rocblas_int         ldd,
                                           rocblas_computetype compute_type,
                                           rocblas_gemm_algo   algo,
                                           int32_t             solution_index,
                                           uint32_t            flags)
try
{
    return rocblas_gemm_ex3_impl(handle,
                                 trans_a,
                                 trans_b,
                                 m,
                                 n,
                                 k,
                                 alpha,
                                 a,
                                 a_type,
                                 lda,
                                 b,
                                 b_type,
                                 ldb,
                                 beta,
                                 c,
                                 c_type,
                                 ldc,
                                 d,
                                 d_type,
                                 ldd,
                                 compute_type,
                                 algo,
                                 solution_index,
                                 flags);
}
catch(...)
{
    return exception_to_rocblas_status();
}
