/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parsing.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/03/23 14:49:36 by rparodi           #+#    #+#             */
/*   Updated: 2026/03/30 19:07:53 by rparodi          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "parsing.h"
#include "macro.h"
#include "struct.h"
#include <stdlib.h>
#include <getopt.h>

static void _init_flags(t_flags *flags) {
	flags->payload_size = ICMP_PAYLOAD;
}

static char *_find_target(int argc, char **argv) {
	char *target = NULL;

	for (int i = optind; i < argc; i++) {
		if (argv[i][0] != '-') {
			target = argv[i];
		}
	}

	if (target == NULL) {
		ERROR_LOG("ft_ping: missing host operand\nTry 'ft_ping --help' or 'ft_ping --usage' for more information.");
		exit(64);
	}

	return (target);
}

void	parsing_args(int argc, char **argv, t_flags *flags)
{
	if (argc == 1) {
		ERROR_LOG("ft_ping: missing host operand\nTry 'ft_ping --help' or 'ft_ping --usage' for more information.");
		exit(64);
	}

	_init_flags(flags);
	check_flags(argc, argv, flags);
	check_target(flags, _find_target(argc, argv));
	SUCCESS_LOG("PARSING finished with success");
	printf("FT_PING: %s (%s): %d data bytes\n", flags->input, flags->destination, flags->payload_size);
}