/*! \file */
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#include "rocsparse.hpp"
#include "testing.hpp"
#include "utility.hpp"

template <typename T>
void testing_gebsrmm_bad_arg(const Arguments& arg)
{
    static const size_t safe_size = 100;

    // Create rocsparse handle
    rocsparse_local_handle local_handle;

    // Create matrix descriptor
    rocsparse_local_mat_descr local_descr;

    T h_alpha = static_cast<T>(1);
    T h_beta  = static_cast<T>(1);

    // Declaration.
    rocsparse_handle     handle        = local_handle;
    rocsparse_direction  dir           = rocsparse_direction_row;
    rocsparse_operation  trans_A       = rocsparse_operation_none;
    rocsparse_operation  trans_B       = rocsparse_operation_none;
    rocsparse_int        mb            = safe_size;
    rocsparse_int        n             = safe_size;
    rocsparse_int        kb            = safe_size;
    rocsparse_int        nnzb          = safe_size;
    const T*             alpha         = &h_alpha;
    rocsparse_mat_descr  descr         = local_descr;
    const T*             bsr_val       = (const T*)0x4;
    const rocsparse_int* bsr_row_ptr   = (const rocsparse_int*)0x4;
    const rocsparse_int* bsr_col_ind   = (const rocsparse_int*)0x4;
    rocsparse_int        row_block_dim = safe_size;
    rocsparse_int        col_block_dim = safe_size;
    const T*             B             = (const T*)0x4;
    rocsparse_int        ldb           = safe_size;
    const T*             beta          = &h_beta;
    T*                   C             = (T*)0x4;
    rocsparse_int        ldc           = safe_size;

#define PARAMS                                                                          \
    handle, dir, trans_A, trans_B, mb, n, kb, nnzb, alpha, descr, bsr_val, bsr_row_ptr, \
        bsr_col_ind, row_block_dim, col_block_dim, B, ldb, beta, C, ldc

    bad_arg_analysis(rocsparse_gebsrmm<T>, PARAMS);

    //
    // CHECK NOT IMPLEMENTED CASE
    //
    CHECK_ROCSPARSE_ERROR(rocsparse_set_mat_type(descr, rocsparse_matrix_type_symmetric));
    EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_not_implemented);
    CHECK_ROCSPARSE_ERROR(rocsparse_set_mat_type(descr, rocsparse_matrix_type_general));

    //
    // CHECK NOT IMPLEMENTED CASE
    //
    {
        auto tmp = trans_A;

        trans_A = rocsparse_operation_transpose;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_not_implemented);

        trans_A = rocsparse_operation_conjugate_transpose;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_not_implemented);

        trans_A = tmp;
    }

    //
    // CHECK NOT IMPLEMENTED CASE
    //
    {
        auto tmp = trans_B;
        trans_B  = rocsparse_operation_conjugate_transpose;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_not_implemented);
        trans_B = tmp;
    }

    // row_block_dim == 0
    row_block_dim = 0;
    EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
    row_block_dim = safe_size;

    // col_block_dim == 0
    col_block_dim = 0;
    EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
    col_block_dim = safe_size;

    // row_block_dim == 0 && col_block_dim == 0
    row_block_dim = 0;
    col_block_dim = 0;
    EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
    row_block_dim = safe_size;
    col_block_dim = safe_size;

    //
    // Testing wrong leading dimensions.
    //
    {
        //
        // op(A) = A, op(B) = B
        //
        mb      = 3;
        n       = 14;
        kb      = 32;
        trans_A = rocsparse_operation_none;
        trans_B = rocsparse_operation_none;

        //  ldb < k
        ldb = kb * col_block_dim - 1;
        ldc = mb * row_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < m
        ldb = kb * col_block_dim;
        ldc = mb * row_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
    }

    {
        //
        // op(A) = A, op(B) = B^T
        //
        mb      = 3;
        n       = 14;
        kb      = 32;
        trans_A = rocsparse_operation_none;
        trans_B = rocsparse_operation_transpose;

        //  ldb < n
        ldb = n - 1;
        ldc = mb * row_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < m
        ldb = n;
        ldc = mb * row_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

#ifdef ROCSPARSE_GEBSRMM_CONJUGATE_TRANSPOSE_B_SUPPORTED
        trans_B = rocsparse_operation_conjugate_transpose;
        //  ldb < n
        ldb = n - 1;
        ldc = mb * row_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < m
        ldb = n;
        ldc = mb * row_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
#endif
    }

#ifdef ROCSPARSE_GEBSRMM_TRANSPOSE_A_SUPPORTED
    {
        //
        // op(A) = A^T, op(B) = B
        //
        mb      = 3;
        n       = 14;
        kb      = 32;
        trans_A = rocsparse_operation_transpose;
        trans_B = rocsparse_operation_none;

        //  ldb < m
        ldb = mb * row_block_dim - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = mb * row_block_dim;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

#ifdef ROCSPARSE_GEBSRMM_CONJUGATE_TRANSPOSE_A_SUPPORTED
        trans_A = rocsparse_operation_conjugate_transpose;
        //  ldb < m
        ldb = mb * row_block_dim - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = mb * row_block_dim;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
#endif
    }

    {
        //
        // op(A) = A^T, op(B) = B^T
        //
        mb      = 3;
        n       = 14;
        kb      = 32;
        trans_A = rocsparse_operation_transpose;
        trans_B = rocsparse_operation_transpose;

        //  ldb < n
        ldb = n - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = n;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

#ifdef ROCSPARSE_GEBSRMM_CONJUGATE_TRANSPOSE_A_SUPPORTED
        trans_A = rocsparse_operation_conjugate_transpose;
        //  ldb < n
        ldb = n - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = n;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
#endif

#ifdef ROCSPARSE_GEBSRMM_CONJUGATE_TRANSPOSE_B_SUPPORTED
        trans_A = rocsparse_operation_transpose;
        trans_B = rocsparse_operation_conjugate_transpose;

        //  ldb < n
        ldb = n - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = n;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        trans_A = rocsparse_operation_conjugate_transpose;
        //  ldb < n
        ldb = n - 1;
        ldc = kb * col_block_dim;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);

        //  ldc < k
        ldb = n;
        ldc = kb * col_block_dim - 1;
        EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(PARAMS), rocsparse_status_invalid_size);
#endif
    }
#endif

#undef PARAMS

    // Additional tests for invalid zero matrices
    EXPECT_ROCSPARSE_STATUS(rocsparse_gebsrmm<T>(handle,
                                                 dir,
                                                 trans_A,
                                                 trans_B,
                                                 mb,
                                                 n,
                                                 kb,
                                                 nnzb,
                                                 alpha,
                                                 descr,
                                                 nullptr,
                                                 bsr_row_ptr,
                                                 nullptr,
                                                 row_block_dim,
                                                 col_block_dim,
                                                 B,
                                                 ldb,
                                                 beta,
                                                 C,
                                                 ldc),
                            rocsparse_status_invalid_pointer);
}

template <typename T>
void testing_gebsrmm(const Arguments& arg)
{
    rocsparse_int        M             = arg.M;
    rocsparse_int        N             = arg.N;
    rocsparse_int        K             = arg.K;
    rocsparse_int        row_block_dim = arg.row_block_dimA;
    rocsparse_int        col_block_dim = arg.col_block_dimA;
    rocsparse_operation  transA        = arg.transA;
    rocsparse_operation  transB        = arg.transB;
    rocsparse_index_base base          = arg.baseA;

    rocsparse_int Mb = (M + row_block_dim - 1) / row_block_dim;
    rocsparse_int Kb = (K + col_block_dim - 1) / col_block_dim;

    host_scalar<T> h_alpha(arg.get_alpha<T>());
    host_scalar<T> h_beta(arg.get_beta<T>());

    device_scalar<T> d_alpha(h_alpha);
    device_scalar<T> d_beta(h_beta);

    // Create rocsparse handle
    rocsparse_local_handle handle(arg);

    // Create matrix descriptor
    rocsparse_local_mat_descr descr;

    // Set matrix index base
    CHECK_ROCSPARSE_ERROR(rocsparse_set_mat_index_base(descr, base));
    CHECK_ROCSPARSE_ERROR(rocsparse_set_pointer_mode(handle, rocsparse_pointer_mode_host));

#define PARAMS(alpha, A, B, beta, C)                                                         \
    handle, A.block_direction, transA, transB, A.mb, C.n, A.nb, A.nnzb, alpha, descr, A.val, \
        A.ptr, A.ind, A.row_block_dim, A.col_block_dim, B, B.ld, beta, C, C.ld

    host_gebsr_matrix<T>        hA;
    rocsparse_matrix_factory<T> matrix_factory(arg);
    matrix_factory.init_gebsr(hA, Mb, Kb, row_block_dim, col_block_dim, base);

    M = hA.mb * hA.row_block_dim;
    K = hA.nb * hA.col_block_dim;

    // Allocate host memory for dense matrices
    host_dense_matrix<T> hC(M, N);
    rocsparse_matrix_utils::init(hC);

    host_dense_matrix<T> hB((transB == rocsparse_operation_none) ? K : N,
                            (transB == rocsparse_operation_none) ? N : K);
    rocsparse_matrix_utils::init(hB);

    device_gebsr_matrix<T> dA(hA);
    device_dense_matrix<T> dB(hB), dC(hC);

    if(arg.unit_check)
    {
        //
        // Pointer mode host
        //
        CHECK_ROCSPARSE_ERROR(rocsparse_set_pointer_mode(handle, rocsparse_pointer_mode_host));
        CHECK_ROCSPARSE_ERROR(testing::rocsparse_gebsrmm<T>(PARAMS(h_alpha, dA, dB, h_beta, dC)));
        if(ROCSPARSE_REPRODUCIBILITY)
        {
            rocsparse_reproducibility::save("C pointer mode device", dC);
        }

        //
        // Compute on host
        //
        {
            host_dense_matrix<T> hC_copy(hC);
            host_gebsrmm<T>(PARAMS(h_alpha, hA, hB, h_beta, hC));
            hC.near_check(dC);
            dC = hC_copy;
        }

        // Pointer mode device
        CHECK_ROCSPARSE_ERROR(rocsparse_set_pointer_mode(handle, rocsparse_pointer_mode_device));
        CHECK_ROCSPARSE_ERROR(testing::rocsparse_gebsrmm<T>(PARAMS(d_alpha, dA, dB, d_beta, dC)));
        if(ROCSPARSE_REPRODUCIBILITY)
        {
            rocsparse_reproducibility::save("C pointer mode device", dC);
        }
        hC.near_check(dC);
    }

    if(arg.timing)
    {

        CHECK_ROCSPARSE_ERROR(rocsparse_set_pointer_mode(handle, rocsparse_pointer_mode_host));

        const double gpu_time_used = rocsparse_clients::run_benchmark(
            arg, rocsparse_gebsrmm<T>, PARAMS(h_alpha, dA, dB, h_beta, dC));

        double gflop_count = gebsrmm_gflop_count(dC.n,
                                                 dA.nnzb,
                                                 dA.row_block_dim,
                                                 dA.col_block_dim,
                                                 dC.m * dC.n,
                                                 *h_beta != static_cast<T>(0));

        double gbyte_count = gebsrmm_gbyte_count<T>(dA.mb,
                                                    dA.nnzb,
                                                    dA.row_block_dim,
                                                    dA.col_block_dim,
                                                    dB.m * dB.n,
                                                    dC.m * dC.n,
                                                    *h_beta != static_cast<T>(0));

        double gpu_gflops = get_gpu_gflops(gpu_time_used, gflop_count);

        double gpu_gbyte = get_gpu_gbyte(gpu_time_used, gbyte_count);

        display_timing_info(display_key_t::M,
                            M,
                            display_key_t::N,
                            N,
                            display_key_t::K,
                            K,
                            display_key_t::bdir,
                            dA.block_direction,
                            display_key_t::trans_A,
                            transA,
                            display_key_t::trans_B,
                            transB,
                            display_key_t::nnzb,
                            dA.nnzb,
                            display_key_t::rbdim,
                            dA.row_block_dim,
                            display_key_t::cbdim,
                            dA.col_block_dim,
                            display_key_t::nnz_B,
                            dB.m * dB.n,
                            display_key_t::nnz_C,
                            dC.m * dC.n,
                            display_key_t::alpha,
                            *h_alpha,
                            display_key_t::beta,
                            *h_beta,
                            display_key_t::gflops,
                            gpu_gflops,
                            display_key_t::bandwidth,
                            gpu_gbyte,
                            display_key_t::time_ms,
                            get_gpu_time_msec(gpu_time_used));
    }
}

#define INSTANTIATE(TYPE)                                              \
    template void testing_gebsrmm_bad_arg<TYPE>(const Arguments& arg); \
    template void testing_gebsrmm<TYPE>(const Arguments& arg)
INSTANTIATE(float);
INSTANTIATE(double);
INSTANTIATE(rocsparse_float_complex);
INSTANTIATE(rocsparse_double_complex);
void testing_gebsrmm_extra(const Arguments& arg) {}