/*! \file */
/* ************************************************************************
* Copyright (C) 2021-2023 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
* copies 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
* IMPLIED, 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 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* ************************************************************************ */

#include "definitions.h"
#include "rocsparse_coomm.hpp"
#include "utility.h"

template <typename T, typename I, typename A>
static rocsparse_status rocsparse_coomm_analysis_quickreturn(rocsparse_handle          handle,
                                                             rocsparse_operation       trans_A,
                                                             rocsparse_coomm_alg       alg,
                                                             I                         m,
                                                             I                         n,
                                                             I                         k,
                                                             int64_t                   nnz,
                                                             const rocsparse_mat_descr descr,
                                                             const A*                  coo_val,
                                                             const I*                  coo_row_ind,
                                                             const I*                  coo_col_ind,
                                                             void*                     temp_buffer)
{
    if(m == 0 || n == 0 || k == 0)
    {
        return rocsparse_status_success;
    }
    return rocsparse_status_continue;
}

template <typename T, typename I, typename A>
static rocsparse_status rocsparse_coomm_analysis_checkarg(rocsparse_handle          handle, //0
                                                          rocsparse_operation       trans_A, //1
                                                          rocsparse_coomm_alg       alg, //2
                                                          I                         m, //3
                                                          I                         n, //4
                                                          I                         k, //5
                                                          int64_t                   nnz, //6
                                                          const rocsparse_mat_descr descr, //7
                                                          const A*                  coo_val, //8
                                                          const I*                  coo_row_ind, //9
                                                          const I* coo_col_ind, //10
                                                          void*    temp_buffer) //11
{
    ROCSPARSE_CHECKARG_HANDLE(0, handle);
    ROCSPARSE_CHECKARG_ENUM(1, trans_A);
    ROCSPARSE_CHECKARG_ENUM(2, alg);
    ROCSPARSE_CHECKARG_SIZE(3, m);
    ROCSPARSE_CHECKARG_SIZE(4, n);
    ROCSPARSE_CHECKARG_SIZE(5, k);
    ROCSPARSE_CHECKARG_SIZE(6, nnz);
    ROCSPARSE_CHECKARG_POINTER(7, descr);
    ROCSPARSE_CHECKARG(
        7, descr, (descr->type != rocsparse_matrix_type_general), rocsparse_status_not_implemented);
    ROCSPARSE_CHECKARG(7,
                       descr,
                       (descr->storage_mode != rocsparse_storage_mode_sorted),
                       rocsparse_status_not_implemented);

    ROCSPARSE_CHECKARG_ARRAY(8, nnz, coo_val);
    ROCSPARSE_CHECKARG_ARRAY(9, nnz, coo_row_ind);
    ROCSPARSE_CHECKARG_ARRAY(10, nnz, coo_col_ind);

    const rocsparse_status status = rocsparse_coomm_analysis_quickreturn<T>(
        handle, trans_A, alg, m, n, k, nnz, descr, coo_val, coo_row_ind, coo_col_ind, temp_buffer);

    if(status != rocsparse_status_continue)
    {
        RETURN_IF_ROCSPARSE_ERROR(status);
        return rocsparse_status_success;
    }

    ROCSPARSE_CHECKARG_POINTER(11, temp_buffer);
    return rocsparse_status_continue;
}

template <typename T, typename I, typename A>
rocsparse_status rocsparse_coomm_analysis_core(rocsparse_handle          handle,
                                               rocsparse_operation       trans_A,
                                               rocsparse_coomm_alg       alg,
                                               I                         m,
                                               I                         n,
                                               I                         k,
                                               int64_t                   nnz,
                                               const rocsparse_mat_descr descr,
                                               const A*                  coo_val,
                                               const I*                  coo_row_ind,
                                               const I*                  coo_col_ind,
                                               void*                     temp_buffer)
{
    switch(alg)
    {
    case rocsparse_coomm_alg_default:
    case rocsparse_coomm_alg_atomic:
    {
        return rocsparse_status_success;
    }

    case rocsparse_coomm_alg_segmented:
    {
        return rocsparse_status_success;
    }

    case rocsparse_coomm_alg_segmented_atomic:
    {
        return rocsparse_status_success;
    }
    }
    RETURN_IF_ROCSPARSE_ERROR(rocsparse_status_invalid_value);
}

template <typename T, typename I, typename A>
rocsparse_status rocsparse_coomm_analysis_template(rocsparse_handle          handle,
                                                   rocsparse_operation       trans_A,
                                                   rocsparse_coomm_alg       alg,
                                                   I                         m,
                                                   I                         n,
                                                   I                         k,
                                                   int64_t                   nnz,
                                                   const rocsparse_mat_descr descr,
                                                   const A*                  coo_val,
                                                   const I*                  coo_row_ind,
                                                   const I*                  coo_col_ind,
                                                   void*                     temp_buffer)
{

    const rocsparse_status status = rocsparse_coomm_analysis_quickreturn<T>(
        handle, trans_A, alg, m, n, k, nnz, descr, coo_val, coo_row_ind, coo_col_ind, temp_buffer);

    if(status != rocsparse_status_continue)
    {
        RETURN_IF_ROCSPARSE_ERROR(status);
        return rocsparse_status_success;
    }

    RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomm_analysis_core<T>(
        handle, trans_A, alg, m, n, k, nnz, descr, coo_val, coo_row_ind, coo_col_ind, temp_buffer));

    return rocsparse_status_success;
}

template <typename T, typename I, typename A>
rocsparse_status rocsparse_coomm_analysis_impl(rocsparse_handle          handle,
                                               rocsparse_operation       trans_A,
                                               rocsparse_coomm_alg       alg,
                                               I                         m,
                                               I                         n,
                                               I                         k,
                                               int64_t                   nnz,
                                               const rocsparse_mat_descr descr,
                                               const A*                  coo_val,
                                               const I*                  coo_row_ind,
                                               const I*                  coo_col_ind,
                                               void*                     temp_buffer)
{

    log_trace(handle,
              "rocsparse_coomm_analysis",
              trans_A,
              alg,
              m,
              n,
              k,
              nnz,
              (const void*&)descr,
              (const void*&)coo_val,
              (const void*&)coo_row_ind,
              (const void*&)coo_col_ind,
              (const void*&)temp_buffer);

    const rocsparse_status status = rocsparse_coomm_analysis_checkarg<T>(
        handle, trans_A, alg, m, n, k, nnz, descr, coo_val, coo_row_ind, coo_col_ind, temp_buffer);

    if(status != rocsparse_status_continue)
    {
        RETURN_IF_ROCSPARSE_ERROR(status);
        return rocsparse_status_success;
    }

    RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomm_analysis_core<T>(
        handle, trans_A, alg, m, n, k, nnz, descr, coo_val, coo_row_ind, coo_col_ind, temp_buffer));

    return rocsparse_status_success;
}

#define INSTANTIATE_ANALYSIS(TTYPE, ITYPE, ATYPE)                                     \
    template rocsparse_status rocsparse_coomm_analysis_template<TTYPE, ITYPE, ATYPE>( \
        rocsparse_handle          handle,                                             \
        rocsparse_operation       trans_A,                                            \
        rocsparse_coomm_alg       alg,                                                \
        ITYPE                     m,                                                  \
        ITYPE                     n,                                                  \
        ITYPE                     k,                                                  \
        int64_t                   nnz,                                                \
        const rocsparse_mat_descr descr,                                              \
        const ATYPE*              coo_val,                                            \
        const ITYPE*              coo_row_ind,                                        \
        const ITYPE*              coo_col_ind,                                        \
        void*                     temp_buffer);

// Uniform precisions
INSTANTIATE_ANALYSIS(float, int32_t, float);
INSTANTIATE_ANALYSIS(float, int64_t, float);
INSTANTIATE_ANALYSIS(double, int32_t, double);
INSTANTIATE_ANALYSIS(double, int64_t, double);
INSTANTIATE_ANALYSIS(rocsparse_float_complex, int32_t, rocsparse_float_complex);
INSTANTIATE_ANALYSIS(rocsparse_float_complex, int64_t, rocsparse_float_complex);
INSTANTIATE_ANALYSIS(rocsparse_double_complex, int32_t, rocsparse_double_complex);
INSTANTIATE_ANALYSIS(rocsparse_double_complex, int64_t, rocsparse_double_complex);

// Mixed precisions
INSTANTIATE_ANALYSIS(int32_t, int32_t, int8_t);
INSTANTIATE_ANALYSIS(int32_t, int64_t, int8_t);
INSTANTIATE_ANALYSIS(float, int32_t, int8_t);
INSTANTIATE_ANALYSIS(float, int64_t, int8_t);
#undef INSTANTIATE_ANALYSIS
