/*
 *  Copyright (c) 2003 INRIA - All rights reserved
 *  main authors: Christoph Neumann - christoph.neumann@inrialpes.fr
 *		  Vincent Roca - vincent.roca@inrialpes.fr
 *		  Julien Laboure - julien.laboure@inrialpes.fr
 *
 *  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.
 */


#include "flute.h"

#include <termios.h>
#include <sys/time.h>
#include <signal.h>


static struct termios initial_settings;

static void reset_term(void)
{
	tcsetattr(0, TCSANOW,  &initial_settings);
}
	
static void sig_catcher (int sig)
{
	reset_term();
}



void *display(void * arg)
{
	int interval;
	struct termios new_settings;
	struct timeval tv;
	fd_set readfds;
	unsigned char c;
	struct sigaction sa;
	unsigned int highlight=0;
	unsigned int toi;
	
	/* Default update rate is x seconds */
	interval = 1;	
	
	tcgetattr(0, &initial_settings);
	memcpy(&new_settings, &initial_settings, sizeof(struct termios));
	new_settings.c_lflag &= ~(ISIG | ICANON); /* unbuffered input */
	/* Turn off echoing */
	new_settings.c_lflag &= ~(ECHO | ECHONL);

	signal (SIGTERM, sig_catcher);
	sigaction (SIGTERM, (struct sigaction *) 0, &sa);
	sa.sa_flags |= SA_RESTART;
#if defined(FREEBSD)
	sa.sa_flags &= ~SA_NOCLDSTOP;
#else
	sa.sa_flags &= ~SA_INTERRUPT;
#endif
	sigaction (SIGTERM, &sa, (struct sigaction *) 0);
	sigaction (SIGINT, &sa, (struct sigaction *) 0);
	tcsetattr(0, TCSANOW, &new_settings);
	atexit(reset_term);
	
	
	while(1)
	{
		pthread_mutex_lock(&flutemutex);
		toi=displayFDT(highlight, myfiles);
		pthread_mutex_unlock(&flutemutex);
		
		tv.tv_sec = interval;
		tv.tv_usec = 0;
		FD_ZERO (&readfds);
		FD_SET (0, &readfds);
		select (1, &readfds, NULL, NULL, &tv);
		if (FD_ISSET (0, &readfds)) {
			if (read (0, &c, 1) <= 0) {   /* signal */
				EXIT(("Keyboard input error\n"));
			}
			switch(c)
			{
				case 113: EXIT(("Good Bye\n")); /**q**/
				case 27: /**arrow pad**/
					if (read (0, &c, 1) <= 0) {   /* signal */
						//pthread_exit((void *)EXIT_FAILURE)
						EXIT(("Keyboard input error\n"));
					}
					if (read (0, &c, 1) <= 0) {   /* signal */	
						//pthread_exit((void *)EXIT_FAILURE)
						EXIT(("Keyboard input error\n"));
					}
					if (c==66) highlight++;	
					if (c==65 && highlight!=0) highlight--;
					break;
				
				case 10: 	/**ENTER**/
					if (mode==SEND || !interactive || toi==0) break;
					pthread_mutex_lock(&flutemutex);
					if (FFileFindTOI(toi,myfiles)==NULL)
					{	
						unsigned int mcl_option = toi;
						if (mcl_ctl(id, MCL_OPT_FLUTE_DELIVER_THIS_ADU, (void*)&mcl_option, sizeof(mcl_option)))
							EXIT(("mcl_ctl: MCL_OPT_FLUTE_DELIVER_THIS_ADU failed\n"))
						myfiles=addTOItoFFile(myfiles,toi);
					}
					//else FFileRemoveTOI(toi,&myfiles); /deselection not supported yet
					pthread_mutex_unlock(&flutemutex);
					break;
			}
		}
		//sleep(interval);
	}

}