/*
 * Copyright (c) 2022 Daniel Kroczynski <d@kroczynski.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>

#include "blind.h"
#include "config.h"
#include "log.h"

static void	usage(void);

struct blind   *bl;

static void
usage(void)
{
	extern char	*__progname;

	fprintf(stderr, "usage: %s [-dhnv] [-f file]\n", __progname);
	exit(1);
}

int
main(int argc, char *argv[])
{
	int		 ch;
	int		 verbose = 0;
	int		 no_action = 0;
	int		 daemonize = 1;
	const char	*config = BL_CONF;

	while ((ch = getopt(argc, argv, "dhnvf:")) != -1) {
		switch (ch) {
		case 'd':
			daemonize = 0;
			break;
		case 'h':
			fprintf(stderr, BL_TEXT " " BL_VERS "\n");
			usage();
			break;
		case 'n':
			no_action = 1;
			daemonize = 0;
			break;
		case 'f':
			config = optarg;
			break;
		case 'v':
			verbose = BL_OPT_VERBOSE;
			break;
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (argc || *argv)
		usage();

	log_init(daemonize, LOG_DAEMON);
	log_info("%s %s", BL_TEXT, BL_VERS);

	if ((bl = config_init()) == NULL)
		log_fatal("initialization failed");

	if (verbose) {
		bl->bl_opt |= verbose;
		log_set(verbose);
		log_debug("verbose mode on");
	}

	if (strlcpy(bl->bl_conf, config, PATH_MAX) >= PATH_MAX)
		log_fatal("file name exceeds PATH_MAX");

	if (config_load(bl))
		log_fatal("%s", bl->bl_conf);

	if (no_action) {
		// check config
		log_info("configuration ok");
		free(bl);
		exit(0);
	}

	log_debug("conf=%s", bl->bl_conf);
	log_debug("sock=%s", bl->bl_sock);
	log_debug(" ttl=%d", bl->bl_ttl);
	log_debug(" opt=%d", bl->bl_opt);

	// to be continued or not

	free(bl);

	exit(0);
}