#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/mod/sbin:/mod/bin:/mod/usr/sbin:/mod/usr/bin
export LD_LIBRARY_PATH=/mod/lib

DAEMON=downloader
ERRFILE=/var/tmp/downerr

case "$1" in
	""|load|start|restart|remove)
		if [ ! -r "/mod/etc/conf/$DAEMON.cfg" ]; then
			echo "Error[$DAEMON]: not configured" 1>&2
			exit 1
		fi

		. /mod/etc/conf/$DAEMON.cfg
		;;
esac

if [ "$DOWNLOADER_DEBUG" = "yes" ]; then
	LOGFILE=/var/log/downloader.log
	if test -e $LOGFILE ; then
		rm -f $LOGFILE > /dev/null 2>&1 
	fi
else
	LOGFILE=/dev/null
fi


start() {
	if test -e $ERRFILE ; then
		rm -f $ERRFILE > /dev/null 2>&1 
	fi
	if [ "$DOWNLOADER_ENABLED" = "yes" ]; then
		echo "Starting $DAEMON..."
		echo "$DOWNLOADER_FILES" | grep -v "^#" | while read -r downfile; do
			[ -n "$downfile" ]
			echo -n "Download: $downfile..."
			downloader $downfile >> $LOGFILE 2>&1
 			errors=$?
			if [ "$errors" -eq 0 ]; then
				echo 'done.'
			else
				echo 'failed.'
				echo $ERRORVAL > $ERRFILE
			fi
		done 
		if test -e $ERRFILE ; then
			rm $ERRFILE > /dev/null 2>&1 
			echo "Download failed."
			exit $ERRORVAL
		else
			echo "Download completed."
		fi
	else
		echo "$DAEMON is disabled"
	fi

}

stop() {
	echo -n "Stopping $DAEMON..."
	killall $DAEMON > /dev/null 2>&1
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

remove() {
	if test -e $ERRFILE ; then
		rm -f $ERRFILE > /dev/null 2>&1 
	fi
	echo "$DAEMON: Remove all downloaded files..."
	echo "$DOWNLOADER_FILES" | grep -v "^#" | while read -r downfile; do
		[ -n "$downfile" ]
		echo -n "Delete $downfile..."
		downremover $downfile >> $LOGFILE 2>&1
		errors=$?
		if [ "$errors" -eq 0 ]; then
			echo 'done.'
		else
			echo 'failed.'
			echo $ERRORVAL > $ERRFILE
		fi
	done 
	if test -e $ERRFILE ; then
		rm $ERRFILE > /dev/null 2>&1 
		echo "Remove failed."
		exit $ERRORVAL
	else
		echo "Removing all downloaded files completed."
	fi
}

case "$1" in
        ""|load)
		modreg cgi $DAEMON 'Downloader'
		modreg extra $DAEMON '$(lang de:"Heruntergeladene Dateien löschen" en:"Remove downloaded files")' 1 'downremover'
		modreg extra $DAEMON '$(lang de:"Protokoll ansehen" en:"View log file")' 1 'downlog'

		if [ "$DOWNLOADER_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled" 1>&2
			exit 1;
		fi

		if [ -e "/var/run/downloader.pid" ]; then
			echo "$DAEMON already started."
		else
			start
		fi
		;;
	unload)
		stop
		modunreg cgi 'downloader'
		modunreg extra $DAEMON 'downremover'
		modunreg extra $DAEMON 'downlog'
		;;
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		stop
		sleep 1
		start
		;;
	remove)
		remove
		;;
	status)
		if [ -z "$(pidof "$DAEMON")" ]; then
			echo 'stopped'
		else
			echo 'running'
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|remove|status]" 1>&2
		exit 1
		;;
esac

exit 0