#include <color.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "ecrypt.h"

#include "config.h"

static void
usage(int argc, char *argv[])
{
	printf("%s - key generator and checker\n", argv[0]);
	printf("usage: %s [-h] [-v] [-s] [-g] [-c]\n", argv[0]);
	printf("\n");
	printf("%s {-h}		Show this message\n", argv[0]);
	printf("%s {-v}		Show the current version\n", argv[0]);
	printf("%s {-s}		View compile-time settings\n", argv[0]);
	printf("%s {-g}		Generate a key\n", argv[0]);
	printf("%s {-c}		Compare 2 key files\n", argv[0]);
	printf("\n");
	printf("Ecrypt is free software.\n");
	printf("See the GNU GPL version 3 for details.\n");
}

static void
usage_small(int argc, char *argv[])
{
	printf("usage: %s [-h] [-v] [-s] [-g] [-c]\n", argv[0]);
}

/* static void
view_compile_time_settings(int argc, char *argv[])
{}
*/

int
main(int argc, char *argv[])
{
	if (argc < 2) {
		usage_small(argc, argv);
		exit(1);
	}

	int opt;

	while ((opt = getopt(argc, argv, ":if:hvsgc")) != -1) {
		switch(opt) {
		case 'h':
			usage(argc, argv);
			exit(0);
			break;
		case 'v':
			printf(ECRYPT_VERSION "\n");
			exit(0);
			break;
		case 's':
			/* view_compile_time_settings(argc, argv); */
			printf("not implemented\n");
			exit(0);
			break;
		case 'g':
			genkey(PASSWD_LENGTH);
			exit(0);
			break;
		case 'c':
			checkkey(argc, argv);
			exit(0);
			break;
		case '?':
			usage_small(argc, argv);
			exit(1);
			break;
		}
	}

	return 0;
}