#include <help.h>
#include <opt_parse.h>
#include <ping.h>

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

int handle_long_args(char **av, args_t *args) {
	OPT_WHILE {
		if (strncmp((*av) + 2, options[i].name, strlen(options[i].name)) == 0) {
			OPT_HANDLE(i);
		}
		i++;
	}
	print_parse_err(INVALID_OPT, (*av) + 2);
	return EXIT_FAILURE;
}

int opt_parse(char **av, args_t *args) {
	av++;
	while (*av != NULL) {
		char *a = *av;

		if (*a == '-') {
			char opt = *(a + 1);
			if (!opt) {
				print_parse_err(MISSING_HOST, 0);
				return EX_USAGE;
			} else if (opt == '-') {
				int ret = handle_long_args(av, args);
				if (ret != EXIT_SUCCESS) {
					if (ret == EX_USAGE)
						print_parse_err(NEED_ARG, (*av) + 2);
					return ret;
				}
			} else {
				OPT_WHILE {
					if (opt == options[i].opt) {
						OPT_HANDLE(i)
					}
					i++;
				}
				if (i == OPT_NB) {
					print_parse_err(INVALID_OPT, a);
					return EXIT_FAILURE;
				}
			}
		} else {
			if (args->hosts == NULL) {
				args->hosts = calloc(sizeof(char *), 2);
				args->hosts[0] = *av;
				args->hosts[1] = NULL;
			} else {
				int i;
				for (i = 0; args->hosts[i] != NULL; ++i)
					;
				char **old = args->hosts;
				args->hosts = reallocarray(old, i + 2, sizeof(char *));
				if (args->hosts == NULL)
					return EXIT_FAILURE;
				args->hosts[i] = *av;
				args->hosts[i + 1] = NULL;
			}
		}
		av++;
	}
	return EXIT_SUCCESS;
}

// 127.0.0.1 localhost : no error wtf EZ 42 parsing + ratio
// -v 127.0.0.1