#!/bin/bash

export XAUTHORITY="$( ps --no-header -C xinit f|sed -e 's/.*-auth\ //' -e 's/serverauth.*/Xauthority/' )"
export XUSER=$(ps -C startx -o user h)

##-----------------------------------------------------
##Debugging lines left in because two lines don't work!
##-----------------------------------------------------

checktty()
if test $(fgconsole) = $(ps --no-header -C X -o tty |grep -o '[0-9]')
then
export ON_X_TTY=1
else
export ON_X_TTY=0
fi
# lid button pressed/released event handler
test -x /usr/sbin/laptop_mode && /usr/sbin/laptop_mode auto

if grep -q open /proc/acpi/button/lid/LID/state
then
checktty
	if test $ON_X_TTY = 1
	then
	echo "Xuser: $XUSER. In LID OPENED LOOP!" 1>&2
	/usr/bin/xset -display :0.0 dpms force on
	su - $XUSER -c "/bin/grep ^dpmsOff:.*$ ~$XUSER/.xscreensaver" > .dpmsOff_val
	echo -e "Contents of \".dpmsOff_val\":\n" 1>&2;cat .dpmsOff_val 1>&2
	su - $XUSER -c "/bin/sed -i 's/^dpmsOff:.*$/dpmsOff:        0:30:00/' ~$XUSER/.xscreensaver"
	su - $XUSER -c "DISPLAY=:0.0 /usr/bin/xscreensaver-command -restart"
	su - $XUSER -c "DISPLAY=:0.0 /usr/bin/xscreensaver-command -cycle"
##------------------------------------------------------------------------------------------------
##This line doesn't work! Maybe a more advanced shell scripting programmer can fix it...
	su - $XUSER -c "/bin/sed -i 's/^dpmsOff:.*$/'$(cat .dpmsOff_val)'/' ~$XUSER/.xscreensaver"
##------------------------------------------------------------------------------------------------
	rm .dpmsOff_val
	else
	/usr/sbin/vbetool dpms on
	fi
else
checktty
	if test $ON_X_TTY = 1 
	then
	echo "Xuser: $XUSER. In LID CLOSED LOOP!" 1>&2
	su - $XUSER -c "/bin/grep ^dpmsOff:.*$" "$XUSER/.xscreensaver" > .dpmsOff_val
	echo -e "Contents of \".dpmsOff_val\":\n" 1>&2;cat .dpmsOff_val 1>&2
	su - $XUSER -c "/bin/sed -i 's/^dpmsOff:.*$/dpmsOff:        0:00:10/' ~$XUSER/.xscreensaver"
	su - $XUSER -c "DISPLAY=:0.0 /usr/bin/xscreensaver-command -restart"
	/usr/bin/xset -display :0.0 dpms force off
	su - $XUSER -c "DISPLAY=:0.0 /usr/bin/xscreensaver-command -lock"
##------------------------------------------------------------------------------------------------
##This line doesn't work! Maybe a more advanced shell scripting programmer can fix it...
	su - $XUSER -c "/bin/sed -i 's/^dpmsOff:.*$/'$(cat .dpmsOff_val)'/' ~$XUSER/.xscreensaver"
##------------------------------------------------------------------------------------------------
	rm .dpmsOff_val
	else
	/usr/sbin/vbetool dpms off
	fi

fi