#! /bin/bash

# Copyright (C) 2022  HimbeerserverDE
# 
# 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 3 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, see <https://www.gnu.org/licenses/>.

# THIS SCRIPT MUST ONLY BE CALLED BY THE SCREENSAVER!
# OTHER CALLERS WILL INTERFERE WITH SCREENSAVER OPERATION!

bspc node -f $2
bspc node $2 -t fullscreen
bspc node $2 -l above

bspc node -f $1
bspc node $1 -t fullscreen
bspc node $1 -l above

sleep 1

killall -q -9 su

while [ -n "$(bspc query -N -n $1)" ]; do
	while [[ "$(bspc query -N -n focused)" == "$1" ]]; do sleep 1; done
	sleep 2

	if [ -n "$(bspc query -N -n $1)" ]; then
		bspc node -f $2
		bspc node $2 -t fullscreen
		bspc node $2 -l above

		bspc node -f $1
		bspc node $1 -t fullscreen
		bspc node $1 -l above

		sleep 1

		killall -q -9 su
	fi
done