/***************************************************************************
 *   Copyright (C) 03/2009 by Olaf Rempel                                  *
 *   razzor@kopf-tisch.de                                                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; version 2 of the License                *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include <getopt.h>

#include "logging.h"
#include "unixsocket.h"

#define DEFAULT_SOCKET "alix-usvd.sock"

static struct option opts[] = {
	{"command",	1, 0, 'c'},
	{"help",	0, 0, 'h'},
	{"socket",	1, 0, 's'},
	{0, 0, 0, 0}
};

int main(int argc, char *argv[])
{
	char *socket_path = DEFAULT_SOCKET;
	char *cmd = NULL;

	int code, arg = 0;
	do {
		code = getopt_long(argc, argv, "c:hs:", opts, &arg);
		switch (code) {
		case 'c': /* command */
			if (strncasecmp(optarg, "IDLE", 4) == 0)
				cmd = optarg;

			else if (strncasecmp(optarg, "TEST", 4) == 0)
				cmd = optarg;

			else if (strncasecmp(optarg, "CHARGE", 6) == 0)
				cmd = optarg;

			else if (strncasecmp(optarg, "POWEROFF", 8) == 0)
				cmd = optarg;

			else if (strncasecmp(optarg, "STATUS", 6) == 0)
				cmd = optarg;

			break;

		case 's': /* socket */
			socket_path = optarg;
			break;

		case 'h': /* help */
			printf("Usage: alix-usv [-s socket] -c <status|idle|charge|test|poweroff>\n\n");
			exit(0);
			break;

		case '?': /* error */
			exit(1);
			break;

		default: /* unknown / all options parsed */
			break;
		}
	} while (code != -1);

	if (cmd == NULL) {
		log_print(LOG_ERROR, "invalid command: %s", cmd);
		return -1;
	}

	int sock = unix_connect(socket_path);
	if (sock < 0)
		return -1;

	write(sock, cmd, strlen(cmd));

	char buf[64];
	int len = read(sock, buf, sizeof(buf));
	if (len <= 0) {
		log_print(LOG_ERROR, "no answer from server");
		return -1;
	}

	log_print(LOG_INFO, "%s", buf);

	close(sock);
	return 0;
}