/* ************************************************************************
 * 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
 * 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
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 *
 * 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
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 * SOFTWARE.
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#include <stdio.h>
#include <stdlib.h>
#include <vector>

#include "testing_common.hpp"

/* ============================================================================================ */

using hipblasRotmgBatchedModel = ArgumentModel<e_a_type, e_batch_count>;

inline void testname_rotmg_batched(const Arguments& arg, std::string& name)
{
    hipblasRotmgBatchedModel{}.test_name(arg, name);
}

template <typename T>
void testing_rotmg_batched_bad_arg(const Arguments& arg)
{
    bool FORTRAN = arg.api == hipblas_client_api::FORTRAN;
    auto hipblasRotmgBatchedFn
        = FORTRAN ? hipblasRotmgBatched<T, true> : hipblasRotmgBatched<T, false>;
    auto hipblasRotmgBatchedFn_64 = arg.api == FORTRAN_64 ? hipblasRotmgBatched_64<T, true>
                                                          : hipblasRotmgBatched_64<T, false>;

    hipblasLocalHandle handle(arg);

    int64_t batch_count = 2;

    device_batch_vector<T> d1(1, 1, batch_count);
    device_batch_vector<T> d2(1, 1, batch_count);
    device_batch_vector<T> x1(1, 1, batch_count);
    device_batch_vector<T> y1(1, 1, batch_count);
    device_batch_vector<T> param(5, 1, batch_count);

    DAPI_EXPECT(HIPBLAS_STATUS_NOT_INITIALIZED,
                hipblasRotmgBatchedFn,
                (nullptr, d1, d2, x1, y1, param, batch_count));
    DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                hipblasRotmgBatchedFn,
                (handle, nullptr, d2, x1, y1, param, batch_count));
    DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                hipblasRotmgBatchedFn,
                (handle, d1, nullptr, x1, y1, param, batch_count));
    DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                hipblasRotmgBatchedFn,
                (handle, d1, d2, nullptr, y1, param, batch_count));
    DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                hipblasRotmgBatchedFn,
                (handle, d1, d2, x1, nullptr, param, batch_count));
    DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                hipblasRotmgBatchedFn,
                (handle, d1, d2, x1, y1, nullptr, batch_count));
}

template <typename T>
void testing_rotmg_batched(const Arguments& arg)
{
    bool FORTRAN = arg.api == hipblas_client_api::FORTRAN;
    auto hipblasRotmgBatchedFn
        = FORTRAN ? hipblasRotmgBatched<T, true> : hipblasRotmgBatched<T, false>;
    auto hipblasRotmgBatchedFn_64 = arg.api == FORTRAN_64 ? hipblasRotmgBatched_64<T, true>
                                                          : hipblasRotmgBatched_64<T, false>;

    int64_t batch_count = arg.batch_count;

    T rel_error = std::numeric_limits<T>::epsilon() * 1000;

    // check to prevent undefined memory allocation error
    if(batch_count <= 0)
        return;

    double gpu_time_used{0}, hipblas_error_host{0}, hipblas_error_device{0};

    hipblasLocalHandle handle(arg);

    // Initial Data on CPU
    // host data for hipBLAS host test
    host_batch_vector<T> hd1(1, 1, batch_count);
    host_batch_vector<T> hd2(1, 1, batch_count);
    host_batch_vector<T> hx1(1, 1, batch_count);
    host_batch_vector<T> hy1(1, 1, batch_count);
    host_batch_vector<T> hparams(5, 1, batch_count);

    // host data for CBLAS test
    host_batch_vector<T> cd1(1, 1, batch_count);
    host_batch_vector<T> cd2(1, 1, batch_count);
    host_batch_vector<T> cx1(1, 1, batch_count);
    host_batch_vector<T> cy1(1, 1, batch_count);
    host_batch_vector<T> cparams(5, 1, batch_count);

    // host data for hipBLAS device test
    host_batch_vector<T> hd1_d(1, 1, batch_count);
    host_batch_vector<T> hd2_d(1, 1, batch_count);
    host_batch_vector<T> hx1_d(1, 1, batch_count);
    host_batch_vector<T> hy1_d(1, 1, batch_count);
    host_batch_vector<T> hparams_d(5, 1, batch_count);

    // device data for hipBLAS device test
    device_batch_vector<T> dd1(1, 1, batch_count);
    device_batch_vector<T> dd2(1, 1, batch_count);
    device_batch_vector<T> dx1(1, 1, batch_count);
    device_batch_vector<T> dy1(1, 1, batch_count);
    device_batch_vector<T> dparams(5, 1, batch_count);

    CHECK_DEVICE_ALLOCATION(dd1.memcheck());
    CHECK_DEVICE_ALLOCATION(dd2.memcheck());
    CHECK_DEVICE_ALLOCATION(dx1.memcheck());
    CHECK_DEVICE_ALLOCATION(dy1.memcheck());
    CHECK_DEVICE_ALLOCATION(dparams.memcheck());

    hipblas_init_vector(hd1, arg, hipblas_client_alpha_sets_nan, true);
    hipblas_init_vector(hd2, arg, hipblas_client_alpha_sets_nan, false);
    hipblas_init_vector(hx1, arg, hipblas_client_alpha_sets_nan, false);
    hipblas_init_vector(hy1, arg, hipblas_client_alpha_sets_nan, false);
    hipblas_init_vector(hparams, arg, hipblas_client_alpha_sets_nan, false);

    cd1.copy_from(hd1);
    cd2.copy_from(hd2);
    cx1.copy_from(hx1);
    cy1.copy_from(hy1);
    cparams.copy_from(hparams);

    CHECK_HIP_ERROR(dd1.transfer_from(hd1));
    CHECK_HIP_ERROR(dd2.transfer_from(hd2));
    CHECK_HIP_ERROR(dx1.transfer_from(hx1));
    CHECK_HIP_ERROR(dy1.transfer_from(hy1));
    CHECK_HIP_ERROR(dparams.transfer_from(hparams));

    if(arg.unit_check || arg.norm_check)
    {
        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_HOST));
        DAPI_CHECK(hipblasRotmgBatchedFn, (handle, hd1, hd2, hx1, hy1, hparams, batch_count));

        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_DEVICE));
        DAPI_CHECK(hipblasRotmgBatchedFn,
                   (handle,
                    dd1.ptr_on_device(),
                    dd2.ptr_on_device(),
                    dx1.ptr_on_device(),
                    dy1.ptr_on_device(),
                    dparams.ptr_on_device(),
                    batch_count));

        CHECK_HIP_ERROR(hd1_d.transfer_from(dd1));
        CHECK_HIP_ERROR(hd2_d.transfer_from(dd2));
        CHECK_HIP_ERROR(hx1_d.transfer_from(dx1));
        CHECK_HIP_ERROR(hy1_d.transfer_from(dy1));
        CHECK_HIP_ERROR(hparams_d.transfer_from(dparams));

        // CBLAS
        for(int64_t b = 0; b < batch_count; b++)
        {
            ref_rotmg<T>(cd1[b], cd2[b], cx1[b], cy1[b], cparams[b]);
        }

        if(arg.unit_check)
        {
            for(int64_t b = 0; b < batch_count; b++)
            {
                near_check_general<T>(1, 1, 1, cd1[b], hd1[b], rel_error);
                near_check_general<T>(1, 1, 1, cd2[b], hd2[b], rel_error);
                near_check_general<T>(1, 1, 1, cx1[b], hx1[b], rel_error);
                near_check_general<T>(1, 1, 1, cy1[b], hy1[b], rel_error);
                near_check_general<T>(1, 5, 1, cparams[b], hparams[b], rel_error);

                near_check_general<T>(1, 1, 1, cd1[b], hd1_d[b], rel_error);
                near_check_general<T>(1, 1, 1, cd2[b], hd2_d[b], rel_error);
                near_check_general<T>(1, 1, 1, cx1[b], hx1_d[b], rel_error);
                near_check_general<T>(1, 1, 1, cy1[b], hy1_d[b], rel_error);
                near_check_general<T>(1, 5, 1, cparams[b], hparams_d[b], rel_error);
            }
        }

        if(arg.norm_check)
        {
            hipblas_error_host = norm_check_general<T>('F', 1, 1, 1, cd1, hd1, batch_count);
            hipblas_error_host += norm_check_general<T>('F', 1, 1, 1, cd2, hd2, batch_count);
            hipblas_error_host += norm_check_general<T>('F', 1, 1, 1, cx1, hx1, batch_count);
            hipblas_error_host += norm_check_general<T>('F', 1, 1, 1, cy1, hy1, batch_count);
            hipblas_error_host
                += norm_check_general<T>('F', 1, 5, 1, cparams, hparams, batch_count);

            hipblas_error_device = norm_check_general<T>('F', 1, 1, 1, cd1, hd1_d, batch_count);
            hipblas_error_device += norm_check_general<T>('F', 1, 1, 1, cd2, hd2_d, batch_count);
            hipblas_error_device += norm_check_general<T>('F', 1, 1, 1, cx1, hx1_d, batch_count);
            hipblas_error_device += norm_check_general<T>('F', 1, 1, 1, cy1, hy1_d, batch_count);
            hipblas_error_device
                += norm_check_general<T>('F', 1, 5, 1, cparams, hparams_d, batch_count);
        }
    }

    if(arg.timing)
    {
        hipStream_t stream;
        CHECK_HIPBLAS_ERROR(hipblasGetStream(handle, &stream));
        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_DEVICE));

        int runs = arg.cold_iters + arg.iters;
        for(int iter = 0; iter < runs; iter++)
        {
            if(iter == arg.cold_iters)
                gpu_time_used = get_time_us_sync(stream);

            DAPI_CHECK(hipblasRotmgBatchedFn,
                       (handle,
                        dd1.ptr_on_device(),
                        dd2.ptr_on_device(),
                        dx1.ptr_on_device(),
                        dy1.ptr_on_device(),
                        dparams.ptr_on_device(),
                        batch_count));
        }
        gpu_time_used = get_time_us_sync(stream) - gpu_time_used;

        hipblasRotmgBatchedModel{}.log_args<T>(std::cout,
                                               arg,
                                               gpu_time_used,
                                               ArgumentLogging::NA_value,
                                               ArgumentLogging::NA_value,
                                               hipblas_error_host,
                                               hipblas_error_device);
    }
}