#!/bin/bash


disable_kiosko(){
	if [ -f '/tmp/kiosk.mode' ]; then
	    echo " [ LliureX Kiosko ] : Stopping Service"
	    service lightdm stop
	    sleep 4
	    rm /tmp/kiosk.mode
	fi
	echo " [ LliureX Kiosko ] : Disabling user"
	deluser kiosk || true
	
	echo " [ LliureX Kiosko ] : Removing configuration files"
	rm -f /etc/lightdm/lightdm.conf.d/12-autologin.conf /usr/share/xsessions/kiosk.desktop || true
	rm -f /opt/kiosk.sh
	rm -f /usr/sbin/disable-lliurex-kiosk
	zero-center set-non-configured lliurex-zero-installer-kiosko
	service lightdm restart
	return 0
}


enable_kiosko(){
	echo " [ LliureX Kiosko ] : Installing needed packages"
	zero-installer install chromium-browser
	zero-installer install compiz
	zero-installer install feh
	test_depends=`type -fp chromium-browser`
	if [ "x$test_depends" == "x" ]; then
		echo Something is going wrong, chromium-browser appears not installed
	fi
	if [ -f /etc/lightdm/lightdm.conf ]; then
		test_autologin=`grep autologin-user /etc/lightdm/lightdm.conf|wc -l`
		if [ "x$test_autologin" != "x0" ]; then
			echo "[ Lliurex Kiosko] : Remove default /etc/lightdm/lightdm.conf (backup done into /etc/lightdm/lightdm.backup_kiosk"
			mv /etc/lightdm/lightdm.conf /etc/lightdm/lightdm.backup_kiosk
		fi
	fi
	echo " [ LliureX Kiosko ] : Creating kiosk user"
	
	adduser kiosk --disabled-password --gecos kiosk,'','',''
	passwd kiosk << _EOF
kiosk
kiosk
_EOF
	echo " [ LliureX Kiosko ] : Copying files"
	cp /usr/share/lliurex-kiosko/kiosk.desktop /usr/share/xsessions/
	mkdir -p /etc/lightdm/lightdm.conf.d 
	cp /usr/share/lliurex-kiosko/kiosk-autologin.conf /etc/lightdm/lightdm.conf.d/12-autologin.conf

	echo " [ LliureX Kiosko ] : Setting $1 as initial webpage"
	sed -e "s/www.cece.gva.es/$1/g" /usr/share/lliurex-kiosko/kiosk.sh > /opt/kiosk.sh
	chmod +x /opt/kiosk.sh
	ln -s /usr/sbin/lliurex-kiosk /usr/sbin/disable-lliurex-kiosk
	zero-center set-configured lliurex-zero-installer-kiosko
	echo " [ LliureX Kiosko ] : Finishing"
	echo "********************************************************"
	echo "** Kiosk mode enabled !                               **"
	echo "*                                                     **"
	echo "*  It's needed reboot the machine or display manager! **"
	echo "*  # sudo service lightdm restart                     **"
	echo "*                                                     **"
	echo "** To disable kiosk-mode execute as root:             **"
	echo "** # /usr/sbin/disable-lliurex-kiosk                  **"
	echo "**                                                    **"
	echo "********************************************************"
	return 0
}


show_usage(){
	echo "$0 --enable|-e [URL]: Enable kiosk mode"
	echo "$0 --disable|-d : Disable kiosk mode"
	echo "$0 --help|-? : Show this help"
}


if [[ $0 =~ disable ]]; then
    disable_kiosko
    exit $?
fi

if [ $# -lt 1 ]; then
	show_usage
fi

if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi


case $1 in 

	--disable| -d)
		disable_kiosko
		exit $?
	;;
	--enable| -e)
		if [ -z "$2" ]; then
		    show_usage
		    exit 1
		else 
		    enable_kiosko $2
		    exit $?
		fi
	;;
	--help| -?)
		show_usage
		exit 1
	;;
	*)
	echo " [ LliureX Kiosko ] : Unknown action" 
	;;
esac

exit 0