/*! \file */
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#pragma once
#ifndef ROCSPARSE_DENSE2CSX_HPP
#define ROCSPARSE_DENSE2CSX_HPP

#include "dense2csx_device.h"

template <rocsparse_direction DIRA, typename I, typename J, typename T>
rocsparse_status rocsparse_dense2csx_template(rocsparse_handle          handle,
                                              rocsparse_order           order,
                                              J                         m,
                                              J                         n,
                                              const rocsparse_mat_descr descr,
                                              const T*                  A,
                                              I                         ld,
                                              T*                        csx_val,
                                              I*                        csx_row_col_ptr,
                                              J*                        csx_col_row_ind)
{
    if(0 == m || 0 == n)
    {
        return rocsparse_status_success;
    }

    static constexpr rocsparse_int data_ratio = sizeof(T) / sizeof(float);
    hipStream_t                    stream     = handle->stream;
    switch(DIRA)
    {
    case rocsparse_direction_row:
    {
        if(handle->wavefront_size == 32)
        {
            static constexpr rocsparse_int WF_SIZE         = 32;
            static constexpr rocsparse_int NROWS_PER_BLOCK = 16 / (data_ratio > 0 ? data_ratio : 1);
            rocsparse_int                  blocks          = (m - 1) / NROWS_PER_BLOCK + 1;
            dim3                           k_blocks(blocks), k_threads(WF_SIZE * NROWS_PER_BLOCK);
            hipLaunchKernelGGL((dense2csr_kernel<NROWS_PER_BLOCK, WF_SIZE>),
                               k_blocks,
                               k_threads,
                               0,
                               stream,
                               descr->base,
                               order,
                               m,
                               n,
                               A,
                               ld,
                               csx_val,
                               csx_row_col_ptr,
                               csx_col_row_ind);
        }
        else
        {
            static constexpr rocsparse_int WF_SIZE         = 64;
            static constexpr rocsparse_int NROWS_PER_BLOCK = 16 / (data_ratio > 0 ? data_ratio : 1);
            rocsparse_int                  blocks          = (m - 1) / NROWS_PER_BLOCK + 1;
            dim3                           k_blocks(blocks), k_threads(WF_SIZE * NROWS_PER_BLOCK);
            hipLaunchKernelGGL((dense2csr_kernel<NROWS_PER_BLOCK, WF_SIZE>),
                               k_blocks,
                               k_threads,
                               0,
                               stream,
                               descr->base,
                               order,
                               m,
                               n,
                               A,
                               ld,
                               csx_val,
                               csx_row_col_ptr,
                               csx_col_row_ind);
        }

        return rocsparse_status_success;
    }

    case rocsparse_direction_column:
    {
        if(handle->wavefront_size == 32)
        {
            static constexpr rocsparse_int WF_SIZE = 32;
            static constexpr rocsparse_int NCOLUMNS_PER_BLOCK
                = 16 / (data_ratio > 0 ? data_ratio : 1);
            rocsparse_int blocks = (n - 1) / NCOLUMNS_PER_BLOCK + 1;
            dim3          k_blocks(blocks), k_threads(WF_SIZE * NCOLUMNS_PER_BLOCK);
            hipLaunchKernelGGL((dense2csc_kernel<NCOLUMNS_PER_BLOCK, WF_SIZE>),
                               k_blocks,
                               k_threads,
                               0,
                               stream,
                               descr->base,
                               order,
                               m,
                               n,
                               A,
                               ld,
                               csx_val,
                               csx_row_col_ptr,
                               csx_col_row_ind);
        }
        else
        {
            static constexpr rocsparse_int WF_SIZE = 64;
            static constexpr rocsparse_int NCOLUMNS_PER_BLOCK
                = 16 / (data_ratio > 0 ? data_ratio : 1);
            rocsparse_int blocks = (n - 1) / NCOLUMNS_PER_BLOCK + 1;
            dim3          k_blocks(blocks), k_threads(WF_SIZE * NCOLUMNS_PER_BLOCK);

            hipLaunchKernelGGL((dense2csc_kernel<NCOLUMNS_PER_BLOCK, WF_SIZE>),
                               k_blocks,
                               k_threads,
                               0,
                               stream,
                               descr->base,
                               order,
                               m,
                               n,
                               A,
                               ld,
                               csx_val,
                               csx_row_col_ptr,
                               csx_col_row_ind);
        }

        return rocsparse_status_success;
    }
    }

    return rocsparse_status_invalid_value;
}

#endif // ROCSPARSE_DENSE2CSX_HPP