bgsDirectory="${HOME}/bgs/"

##set working directory to location of this script
cd "$(dirname "$0")"

##stop slideshow if running
sh ./hyprland-slideshow.sh kill


preloadImage(){
hyprctl hyprpaper preload "${image}"
}

setImage() {
hyprctl hyprpaper wallpaper ",contain:${image}"
}

#ARGS $1:directory e.g. chsck
chooseRandom(){
	shopt -s nullglob
	files=("${bgsDirectory}${1}/"*)
	length=$((${#files[@]}))
	echo "length: ${length}"
	randomIndex=$(($RANDOM % $length))
	echo "random index: ${randomIndex}"
	##re-roll if the result is a directory
	while [[ -d ${files[$randomIndex]} ]]
	do
		echo "${files[randomIndex]} is a directory!"
		randomIndex=$(($RANDOM % $length))
	done
	image="${files[$randomIndex]}" 
	echo ${image}
}

if [ $# -eq 0 ]; then 
		image="${bgsDirectory}default.jpg"
		preloadImage image
		setImage image
	else
		chooseRandom ${1}
		preloadImage 
		setImage
fi

sleep 1

hyprctl hyprpaper unload all