#include <stdio.h>
#include <stddef.h>

#include "cli.h"
#include "compiler.h"

const char *
cli_arg_type_to_str(int type)
{
	static const char *strs[] = {
		#define X(name, str) str,
		CLI_OPT_ARG_TYPES
		#undef X
	};
	if ((size_t)type < COUNT_OF(strs))
		return strs[type];
	return "<ARG>";
}

void
cli_print_options(const struct option_descriptor *opts, size_t nb_opts,
	t_arg_type_to_str to_str)
{
	printf("Options:\n");
	for (size_t i = 0; i < nb_opts; i++)
	{
		const char *argstr = to_str(opts[i].arg_type);
		printf("  -%c, --%-15s %-8s %s\n",
			opts[i].short_opt,
			opts[i].long_opt,
			argstr,
			opts[i].description);
	}
}