/*
 * Copyright (c) 2022-2023 NVIDIA CORPORATION AND AFFILIATES.  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 the 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 AND CONTRIBUTORS "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 NVIDIA CORPORATION 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 TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <stdlib.h>
#include <string.h>

#include <doca_argp.h>
#include <doca_error.h>
#include <doca_dev.h>
#include <doca_sha.h>
#include <doca_log.h>

#include <utils.h>

DOCA_LOG_REGISTER(SHA_CREATE::MAIN);

#define MAX_USER_DATA_LEN 1024		     /* max user data length */
#define MAX_DATA_LEN (MAX_USER_DATA_LEN + 1) /* max data length */
#define MIN_USER_DATA_LEN 1		     /* min user data length */

/* Sample's Logic */
doca_error_t sha_create(char *src_buffer);

/*
 * ARGP Callback - Handle user data parameter
 *
 * @param [in]: Input parameter
 * @config [in/out]: Program configuration context
 * @return: DOCA_SUCCESS on success and DOCA_ERROR otherwise
 */
static doca_error_t data_callback(void *param, void *config)
{
	char *data = (char *)config;
	char *input_data = (char *)param;
	int len;

	len = strnlen(input_data, MAX_DATA_LEN);
	if (len == MAX_DATA_LEN || len < MIN_USER_DATA_LEN) {
		DOCA_LOG_ERR("Invalid data length, should be between %d and %d", MIN_USER_DATA_LEN, MAX_USER_DATA_LEN);
		return DOCA_ERROR_INVALID_VALUE;
	}
	strcpy(data, input_data);
	return DOCA_SUCCESS;
}

/*
 * Register the command line parameters for the sample.
 *
 * @return: DOCA_SUCCESS on success and DOCA_ERROR otherwise
 */
static doca_error_t register_sha_params(void)
{
	doca_error_t result;
	struct doca_argp_param *data_param;

	result = doca_argp_param_create(&data_param);
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("Failed to create ARGP param: %s", doca_error_get_descr(result));
		return result;
	}
	doca_argp_param_set_short_name(data_param, "d");
	doca_argp_param_set_long_name(data_param, "data");
	doca_argp_param_set_description(data_param, "user data");
	doca_argp_param_set_callback(data_param, data_callback);
	doca_argp_param_set_type(data_param, DOCA_ARGP_TYPE_STRING);
	result = doca_argp_register_param(data_param);
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("Failed to register program param: %s", doca_error_get_descr(result));
		return result;
	}
	return DOCA_SUCCESS;
}

/*
 * Sample main function
 *
 * @argc [in]: command line arguments size
 * @argv [in]: array of command line arguments
 * @return: EXIT_SUCCESS on success and EXIT_FAILURE otherwise
 */
int main(int argc, char **argv)
{
	doca_error_t result;
	struct doca_log_backend *sdk_log;
	int exit_status = EXIT_FAILURE;
	char data[MAX_DATA_LEN];

	strcpy(data, "1234567890abcdef");

	/* Register a logger backend */
	result = doca_log_backend_create_standard();
	if (result != DOCA_SUCCESS)
		goto sample_exit;

	/* Register a logger backend for internal SDK errors and warnings */
	result = doca_log_backend_create_with_file_sdk(stderr, &sdk_log);
	if (result != DOCA_SUCCESS)
		goto sample_exit;
	result = doca_log_backend_set_sdk_level(sdk_log, DOCA_LOG_LEVEL_WARNING);
	if (result != DOCA_SUCCESS)
		goto sample_exit;

	DOCA_LOG_INFO("Starting the sample");

	result = doca_argp_init(NULL, &data);
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("Failed to init ARGP resources: %s", doca_error_get_descr(result));
		goto sample_exit;
	}

	result = register_sha_params();
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("Failed to register ARGP params: %s", doca_error_get_descr(result));
		goto argp_cleanup;
	}

	result = doca_argp_start(argc, argv);
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("Failed to parse sample input: %s", doca_error_get_descr(result));
		goto argp_cleanup;
	}

	result = sha_create(data);
	if (result != DOCA_SUCCESS) {
		DOCA_LOG_ERR("sha_create() encountered an error: %s", doca_error_get_descr(result));
		goto argp_cleanup;
	}

	exit_status = EXIT_SUCCESS;

argp_cleanup:
	doca_argp_destroy();
sample_exit:
	if (exit_status == EXIT_SUCCESS)
		DOCA_LOG_INFO("Sample finished successfully");
	else
		DOCA_LOG_INFO("Sample finished with errors");
	return exit_status;
}