/*-
 * Copyright (c) 2011-2012 Baptiste Daroussin <bapt@FreeBSD.org>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in this position and unchanged.
 * 2. 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 THE AUTHOR(S) 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 TORT
 * (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 <sysexits.h>
#include <stdio.h>
#include <string.h>
#include <readpassphrase.h>
#include <unistd.h>

#include <pkg.h>

#include "pkgcli.h"

void
usage_repo(void)
{
	fprintf(stderr, "usage: pkg repo [-flq] <repo-path> <rsa-key>\n\n");
	fprintf(stderr, "For more information see 'pkg help repo'.\n");
}

static const char ps[] = { '-', '\\', '|', '/' };

static void
progress(struct pkg *pkg, void *data)
{
	int *pos;

	pos = (int *)data;

	if (*pos == 3)
		*pos = 0;
	else
		*pos = *pos + 1;

	if (pkg != NULL)
		printf("\b%c", ps[*pos]);
}

static int
password_cb(char *buf, int size, int rwflag, void *key)
{
	int len = 0;
	char pass[BUFSIZ];
	(void)rwflag;
	(void)key;

	if (readpassphrase("Enter passphrase: ", pass, BUFSIZ, RPP_ECHO_OFF) == NULL)
		return 0;

	len = strlen(pass);

	if (len <= 0)  return 0;
	if (len > size) len = size;

	memset(buf, '\0', size);
	memcpy(buf, pass, len);
	memset(pass, 0, BUFSIZ);

	return (len);
}

int
exec_repo(int argc, char **argv)
{
	int ret;
	int pos = 0;
	int ch;
	char *rsa_key;
	bool force = false, filelist = false;

	while ((ch = getopt(argc, argv, "flq")) != -1) {
		switch (ch) {
		case 'q':
			quiet = true;
			break;
		case 'f':
			force = true;
			break;
		case 'l':
			filelist = true;
			break;
		default:
			usage_repo();
			return (EX_USAGE);
		}
	}
	argc -= optind;
	argv += optind;

	if (argc < 1 || argc > 2) {
		usage_repo();
		return (EX_USAGE);
	}

	if (!quiet) {
		printf("Generating repository catalog in %s:  ", argv[0]);
		ret = pkg_create_repo(argv[0], force, filelist, progress, &pos);
	} else
		ret = pkg_create_repo(argv[0], force, filelist, NULL, NULL);

	if (ret != EPKG_OK) {
		printf("cannot create repository catalogue\n");
		return (EX_IOERR);
	} else {
		if (!quiet)
			printf("\bdone!\n");
	}
	
	rsa_key = (argc == 2) ? argv[1] : NULL;
	pkg_finish_repo(argv[0], password_cb, rsa_key, filelist);

	return (EX_OK);
}
