#!/bin/bash
EXT_MON="$(xrandr | grep -ow "\(DP-[0-9]\) connected" | cut -d " " -f 1)"

map() {
    xinput --map-to-output "UGTABLET 6 inch PenTablet Mouse" "$1"
    xinput --map-to-output "UGTABLET 6 inch PenTablet Pen (0)" "$1"
    xinput --map-to-output "UGTABLET 6 inch PenTablet Eraser (0)" "$1"
}

if [ -n "$EXT_MON" ]; then
    map "$EXT_MON"
else
    map 'eDP-1'
fi