#!/usr/bin/env bash

FOLDER=~/Pictures/Wallpapers
SCRIPT=~/scripts/pywal/pywal16.sh

menu() {
        CHOICE=$(nsxiv -otb $FOLDER/*) # nsxiv -o writes filename to stdout   

case $CHOICE in
        *.*)    wal -i "$CHOICE" -o $SCRIPT 
                killall swaybg 
                swaybg -m fill -i "$CHOICE";;
        *) exit 0 ;;
esac
}

case "$#" in 
        0) menu;;
        1) wal -i "$CHOICE" -o "$SCRIPT";;
        2) wal -1 "$1" --theme $2 -o $SCRIPT ;;
        *) exit 0 ;;
esac