#!/bin/zsh
DEPENDENCIES+=()
REQUIRED_ENV+=(
	DESKTOP__WALLPAPER_PATH
)

CHECK_ENVIRONMENT
#####################################################################


[ ! -d $WALLPAPER_PATH ] \
	&& FAIL 1 "no such directory for DESKTOP__WALLPAPER_PATH='$DESKTOP__WALLPAPER_PATH'"

SELECTION="$1"
[ ! $SELECTION ] && SELECTION=random

case $SELECTION in 
	random )
		feh --recursive --randomize --bg-fill $WALLPAPER_PATH
		;;
	* )
		[ ! -f $DESKTOP__WALLPAPER_PATH/$SELECTION ] \
			&& FAIL 2 "no such wallpaper '$SELECTION' in wallpaper path"

		feh --bg-fill $DESKTOP__WALLPAPER_PATH/$SELECTION
		;;
esac