/***************************************************************************
 *   Copyright (C) 2006 by Torben H. Nielsen                               *
 *   torben@t-hoerup.dk                                                    *
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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.             *
 ***************************************************************************/


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

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

#include "daemon.h"
#include "dblayer.h"
#include "dlworker.h"

#define VERSION "0.1"
#define AUTHOR "Torben H. Nielsen"

downloadd_config *CONFIG;

void printversion(int terminate) {
	printf("downloadd - ftp/http download daemon v %s\n", VERSION);
	printf("(C) 2006 by %s\n\n", AUTHOR);
	if (terminate)
		exit(0);
}

void printusage() {
	printversion(0);
	printf("Usage: downloadd [options]...\n");
	printf(" Option   -        description\n\n");
	printf("  --help           Print this screen\n");
	printf("  --version        Print version\n");
	printf("  --debug          Run the program in foreground and all log\n");
	printf("                   messages are redirected to stdout\n"); 
	printf("  --config <file>  Specify which configuration file to use\n");
	exit(0);
}

int main(int argc, char *argv[])
{
	dlrecord *record;
	char *configfile = 0;
	int i, res;
	char buf[120];
	CONFIG = malloc(sizeof(downloadd_config));
	CONFIG->debug = 1; // <- this should change to 0 at a later point
	
	for (i=1; i<argc; i++) {
		if (strcmp(argv[i], "--help") == 0) {
			printusage();
		} else if(strcmp(argv[i], "--version") == 0) {
			printversion(1);
		} else if (strcmp(argv[i], "--debug") == 0) {
			CONFIG->debug = 1;
		} else if (strcmp(argv[i], "--config") == 0) {
			i++;
			if (argv[i])
				configfile = argv[i];
			else
				printusage();
		} else
			printusage();
	}
	
	if (CONFIG->debug)
		log_message("Starting in debug mode");
	
	read_config_file( configfile );
	
	/* do not daemonize if we are in debug mode */
	if (!CONFIG->debug)
		daemonize();

	while (1) {
		record = malloc(sizeof(dlrecord));
		res = nextdownload( record );
		
		if (res) {
			sprintf(buf, "Saving %s to %s", record->URL, record->filename);
			log_message(buf);
			downloadfile( record );
		} else {
			if (CONFIG->debug)
				log_message("No URLs to download");
		}
		free(record);
		sleep(60);
	}
	
}