#!/bin/sh
### BEGIN INIT INFO
# Provides:          radio_ctl
# Required-Start:    $all 
# Required-Stop:
# Default-Start:     2 3 4 5 
# Default-Stop:
# Short-Description: Connect GPIO to vlc playlist
# Description:       Connect GPIO to vlc playlist
### END INIT INFO

daemon_NAME="radio_ctl"
export PIDFILE=/tmp/radio_ctl
PATH="/sbin:/bin:/usr/sbin:/usr/bin"
filename="/home/pi/webradio_station/station.txt"

#install
#---------
#sudo cp radio_ctl /etc/init.d/. && sudo chmod a+x /etc/init.d/radio_ctl
#sudo update-rc.d radio_ctl defaults

#to uninstall
#---------
#sudo update-rc.d -f radio_ctl remove

. /lib/lsb/init-functions

d_start () {

	#On attend la connection WIFI avant de se lancer
	while [ true ]
	do
		ping -t1 -w1 -c1 192.168.1.1 > /dev/null
		if [ $? = "0" ]; then
		   break
		fi	
		sleep 10
	done

	V=1
	FM=0
	VOLD=0
	FMOLD=-1
	echo 23 > /sys/class/gpio/export
	echo 24 > /sys/class/gpio/export
	echo 25 > /sys/class/gpio/export
	echo 12 > /sys/class/gpio/export
	echo 13 > /sys/class/gpio/export
	echo 26 > /sys/class/gpio/export
	while [ true ]
	do
		[ `cat /sys/class/gpio/gpio23/value` = "1" ] && V=1
		[ `cat /sys/class/gpio/gpio24/value` = "1" ] && V=2
		[ `cat /sys/class/gpio/gpio25/value` = "1" ] && V=3
		[ `cat /sys/class/gpio/gpio12/value` = "1" ] && V=4
		[ `cat /sys/class/gpio/gpio13/value` = "1" ] && V=5
		[ `cat /sys/class/gpio/gpio26/value` = "1" ] && FM=1
		[ `cat /sys/class/gpio/gpio26/value` = "0" ] && FM=0

		if [ $VOLD != $V -o $FMOLD != $FM ]; then
			VOLD=$V
			FMOLD=$FM
			if [ $FM = 0 ]; then
				[ $VOLD = 1 ] && echo "station 1" && LINE=`sed -n 1p $filename`
				[ $VOLD = 2 ] && echo "station 2" && LINE=`sed -n 2p $filename`
				[ $VOLD = 3 ] && echo "station 3" && LINE=`sed -n 3p $filename`
				[ $VOLD = 4 ] && echo "station 4" && LINE=`sed -n 4p $filename`
				[ $VOLD = 5 ] && echo "station 5" && LINE=`sed -n 5p $filename`
			else
				[ $VOLD = 1 ] && echo "station 6" && LINE=`sed -n 6p $filename`
				[ $VOLD = 2 ] && echo "station 7" && LINE=`sed -n 7p $filename`
				[ $VOLD = 3 ] && echo "station 8" && LINE=`sed -n 8p $filename`
				[ $VOLD = 4 ] && echo "station 9" && LINE=`sed -n 9p $filename`
				[ $VOLD = 5 ] && echo "station 10" && LINE=`sed -n 10p $filename`
			fi
			echo $LINE 
			killall vlc 
			/usr/bin/vlc --intf dummy $LINE &
			sleep 10
		fi
		sleep 0.1
	done
}


d_stop () {
	if [ -e $PIDFILE ]; then
		kill `cat $PIDFILE`
		rm -f $PIDFILE
	fi
}

case "$1" in

        start)
			if [ -e $PIDFILE ]; then
				log_daemon_msg "Daemon $daemon_NAME already running"
				log_end_msg $?
			else
				log_daemon_msg "Starting system $daemon_NAME Daemon"
				log_end_msg $?				
				d_start & 
				echo $! > $PIDFILE
			fi
			;;
			
        stop)
			if [ -e $PIDFILE ]; then
				log_daemon_msg "Stopping system $daemon_NAME Daemon"
				log_end_msg $?
                d_stop
			fi
			;;

        restart|reload|force-reload)
				d_stop
				d_start
                ;;

        force-stop)
               d_stop
                killall -q $daemon_NAME || true
                sleep 2
                killall -q -9 $daemon_NAME || true
                ;;

        status)
                status_of_proc "$daemon_NAME" && exit 0 || exit $?
                ;;
        *)
                echo "Usage: /etc/init.d/$daemon_NAME {start|stop|force-stop|restart|reload|force-reload|status}"
                exit 1
                ;;
esac
exit 0