/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of NVIDIA CORPORATION nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


/* Standard headers */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

/* Nvidia headers */
#include "cmdline.h"
#include "log_utils.h"
#include "misc_utils.h"
#include "config_parser.h"
#include "helper_cuda.h"

/* see cmdline.h for details */
void PrintUsage()
{
    printf("cudaNvSciNvMedia\n");
    printf("Usage: cudaNvSciNvMedia [options]\n");
    printf("Options:\n");
    printf("-h           Prints usage\n");
    printf("-device=n (n >= 0 for cuda device ID)\n");
    printf("-cf=[config] 2d config file. Path length limited to %u chars\n", FILE_NAME_SIZE);
    printf("-iterations=n (n > 0 - num of iterations of NvMedia-CUDA operations to be launched)\n");
}

SectionMap sectionsMap[] = {
    {SECTION_NONE, "", 0, 0} /* Has to be the last item - specifies the end of array */
};

/* see cmdline.h for details */
int ParseArgs(int argc, char *argv[], TestArgs *args)
{
    NvMediaBool bLastArg = NVMEDIA_FALSE;
    NvMediaBool bDataAvailable = NVMEDIA_FALSE;
    NvMediaStatus status = NVMEDIA_STATUS_OK;
    const char* filename = NULL;
    int i;

    args->srcSurfAllocAttrs[0].type = args->dstSurfAllocAttrs[0].type = NVM_SURF_ATTR_WIDTH;
    args->srcSurfAllocAttrs[1].type = args->dstSurfAllocAttrs[1].type = NVM_SURF_ATTR_HEIGHT;
    args->srcSurfAllocAttrs[2].type = args->dstSurfAllocAttrs[2].type = NVM_SURF_ATTR_EMB_LINES_TOP;
    args->srcSurfAllocAttrs[3].type = args->dstSurfAllocAttrs[3].type = NVM_SURF_ATTR_EMB_LINES_BOTTOM;
    args->srcSurfAllocAttrs[4].type = args->dstSurfAllocAttrs[4].type = NVM_SURF_ATTR_CPU_ACCESS;
    args->srcSurfAllocAttrs[5].type = args->dstSurfAllocAttrs[5].type = NVM_SURF_ATTR_ALLOC_TYPE;
    args->srcSurfAllocAttrs[6].type = args->dstSurfAllocAttrs[6].type = NVM_SURF_ATTR_SCAN_TYPE;
    args->srcSurfAllocAttrs[7].type = args->dstSurfAllocAttrs[7].type = NVM_SURF_ATTR_COLOR_STD_TYPE;
    args->numSurfAllocAttrs = 8;

    args->srcSurfFormatAttrs[0].type = args->dstSurfFormatAttrs[0].type = NVM_SURF_ATTR_SURF_TYPE;
    args->srcSurfFormatAttrs[1].type = args->dstSurfFormatAttrs[1].type = NVM_SURF_ATTR_LAYOUT;
    args->srcSurfFormatAttrs[2].type = args->dstSurfFormatAttrs[2].type = NVM_SURF_ATTR_DATA_TYPE;
    args->srcSurfFormatAttrs[3].type = args->dstSurfFormatAttrs[3].type = NVM_SURF_ATTR_MEMORY;
    args->srcSurfFormatAttrs[4].type = args->dstSurfFormatAttrs[4].type = NVM_SURF_ATTR_SUB_SAMPLING_TYPE;
    args->srcSurfFormatAttrs[5].type = args->dstSurfFormatAttrs[5].type = NVM_SURF_ATTR_BITS_PER_COMPONENT;
    args->srcSurfFormatAttrs[6].type = args->dstSurfFormatAttrs[6].type = NVM_SURF_ATTR_COMPONENT_ORDER;

    /* ConfigParamsMap
     * See nvmedia_2d.h and sample config file(s) for details.
     */
    ConfigParamsMap paramsMap[] = {
        /*ParamName,             &args->variableName,                                paramType,     D, LimitType,   Mn, Mx, CharSize,       p2C, section   */
        {"transformMode",        &args->blitParams.dstTransform,                     TYPE_UINT,     0, LIMITS_BOTH,  0,  7,  0,              0, SECTION_NONE},
        {"filterMode",           &args->blitParams.filter,                           TYPE_UINT,     1, LIMITS_BOTH,  1,  4,  0,              0, SECTION_NONE},
        {"colorStd",             &args->blitParams.colorStandard,                    TYPE_UINT,     0, LIMITS_MIN,   0,  3,  0,              0, SECTION_NONE},
        {"validOperations",      &args->blitParams.validFields,                      TYPE_UINT,     0, LIMITS_BOTH,  0,  15, 0,              0, SECTION_NONE},
        {"inputfile",            &args->inputFileName,                               TYPE_CHAR_ARR, 0, LIMITS_NONE,  0,  0,  FILE_NAME_SIZE, 0, SECTION_NONE},

        /*src surface alloc attributes*/
        {"srcWidth",             &args->srcSurfAllocAttrs[0].value,                  TYPE_UINT,     0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"srcHeight",            &args->srcSurfAllocAttrs[1].value,                  TYPE_UINT,     0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"srcCPUAccess",         &args->srcSurfAllocAttrs[4].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"srcAllocType",         &args->srcSurfAllocAttrs[5].value,                  TYPE_UINT,     0, LIMITS_BOTH,  0,  1,  0,              0, SECTION_NONE},
        {"srcScanType",          &args->srcSurfAllocAttrs[6].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  1,  0,              0, SECTION_NONE},
        {"srcColorStd",          &args->srcSurfAllocAttrs[7].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  12, 0,              0, SECTION_NONE},
        /*src surface format attributes*/
        {"srcSurfType",          &args->srcSurfFormatAttrs[0].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"srcLayout",            &args->srcSurfFormatAttrs[1].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  2,  0,              0, SECTION_NONE},
        {"srcDataType",          &args->srcSurfFormatAttrs[2].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  4,  0,              0, SECTION_NONE},
        {"srcMemory",            &args->srcSurfFormatAttrs[3].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"srcSubSamplingType",   &args->srcSurfFormatAttrs[4].value,                 TYPE_UINT,     1, LIMITS_BOTH,  0,  4,  0,              0, SECTION_NONE},
        {"srcBitsPerComponent",  &args->srcSurfFormatAttrs[5].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  10, 0,              0, SECTION_NONE},
        {"srcComponentOrder",    &args->srcSurfFormatAttrs[6].value,                 TYPE_UINT,     2, LIMITS_BOTH,  1,  45, 0,              0, SECTION_NONE},
        /*srcRect*/
        {"srcRectx0",            &args->srcRect.x0,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"srcRecty0",            &args->srcRect.y0,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"srcRectx1",            &args->srcRect.x1,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"srcRecty1",            &args->srcRect.y1,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        /*dst surface alloc attributes*/
        {"dstWidth",             &args->dstSurfAllocAttrs[0].value,                  TYPE_UINT,     0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"dstHeight",            &args->dstSurfAllocAttrs[1].value,                  TYPE_UINT,     0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"dstCPUAccess",         &args->dstSurfAllocAttrs[4].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"dstAllocType",         &args->dstSurfAllocAttrs[5].value,                  TYPE_UINT,     0, LIMITS_BOTH,  0,  1,  0,              0, SECTION_NONE},
        {"dstScanType",          &args->dstSurfAllocAttrs[6].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  1,  0,              0, SECTION_NONE},
        {"dstColorStd",          &args->dstSurfAllocAttrs[7].value,                  TYPE_UINT,     1, LIMITS_BOTH,  1,  12, 0,              0, SECTION_NONE},
        /*dst surface format attributes*/
        {"dstSurfType",          &args->dstSurfFormatAttrs[0].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"dstLayout",            &args->dstSurfFormatAttrs[1].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  2,  0,              0, SECTION_NONE},
        {"dstDataType",          &args->dstSurfFormatAttrs[2].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  4,  0,              0, SECTION_NONE},
        {"dstMemory",            &args->dstSurfFormatAttrs[3].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  3,  0,              0, SECTION_NONE},
        {"dstSubSamplingType",   &args->dstSurfFormatAttrs[4].value,                 TYPE_UINT,     1, LIMITS_BOTH,  0,  4,  0,              0, SECTION_NONE},
        {"dstBitsPerComponent",  &args->dstSurfFormatAttrs[5].value,                 TYPE_UINT,     1, LIMITS_BOTH,  1,  10, 0,              0, SECTION_NONE},
        {"dstComponentOrder",    &args->dstSurfFormatAttrs[6].value,                 TYPE_UINT,     2, LIMITS_BOTH,  1,  45, 0,              0, SECTION_NONE},
        /*dstRect*/
        {"dstRectx0",            &args->dstRect.x0,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"dstRecty0",            &args->dstRect.y0,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"dstRectx1",            &args->dstRect.x1,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        {"dstRecty1",            &args->dstRect.y1,                                  TYPE_USHORT,   0, LIMITS_MIN,   0,  0,  0,              0, SECTION_NONE},
        /*End of the array */
        {NULL,                   NULL,                                               TYPE_UINT,     0, LIMITS_NONE,  0,  0, 0,               0, SECTION_NONE}
    };

    args->iterations = 100; // Set default iterations value.

    if (checkCmdLineFlag(argc, (const char **)argv, "-h")) {
        return -1;
    }
    if (checkCmdLineFlag(argc, (const char **)argv, "cf")) {

        char *inputFileName = NULL;
        getCmdLineArgumentString(argc, (const char **)argv, "cf", (char**)&inputFileName);
        if (!inputFileName) {
            printf("ERR: Invalid config file name\n");
            return -1;
        }
        filename = sdkFindFilePath(inputFileName, ".");
    }
    if (checkCmdLineFlag(argc, (const char **)argv, "iterations")) {
        args->iterations = getCmdLineArgumentInt(argc, (const char **)argv, "iterations");
    }

    if (filename == NULL) {
        // Set default file to use if no config file given.
        filename = sdkFindFilePath("sample.cfg", ".");
    }

    if (filename != NULL)
    {
        printf("Using config file %s\n", filename);

        /* Init Parser Map*/
        status = ConfigParser_InitParamsMap(paramsMap);
        if (status != NVMEDIA_STATUS_OK) {
            printf("ERR: ConfigParser_InitParamsMap failed! status:%x\n", status);
            return -1;
        }

        status = ConfigParser_ParseFile(paramsMap, 1, sectionsMap, (char*)filename);
        if (status != NVMEDIA_STATUS_OK) {
            printf("ERR: Failed to parse config file. status:%x\n", status);
            return -1;
        }
    }

    LOG_INFO("ParseArgs: Validating params from config file\n");
    status = ConfigParser_ValidateParams(paramsMap, sectionsMap);
    if (status != NVMEDIA_STATUS_OK) {
        printf("ERR: Some of the params in config file are invalid.\n");
        return -1;
    }

    return 0;
}

