#!/bin/bash

xset dpms 0 0 300

dp1="$(xrandr | grep '^DP1 connected')"
dp1_1="$(xrandr | grep '^DP1-1 connected')"
dp1_2="$(xrandr | grep '^DP1-2 connected')"
dp1_3="$(xrandr | grep '^DP1-3 connected')"

if [ -n "$dp1" -a -z "$dp1_1" -a -z "$dp1_2" -a -z "$dp1_3" ]; then
	xrandr --output DP1 --auto --primary --above eDP1
elif [ -z "$dp1" -a -n "$dp1_1" -a -z "$dp1_2" -a -z "$dp1_3" ]; then
	xrandr --output DP1-1 --auto --primary --above eDP1
elif [ -z "$dp1" -a -n "$dp1_1" -a -n "$dp1_2" -a -z "$dp1_3" ]; then
	xrandr --output DP1-1 --auto --left-of eDP1 \
	       --output DP1-2 --auto --right-of eDP1
elif [ -z "$dp1" -a -z "$dp1_1" -a -z "$dp1_2" -a -n "$dp1_3" ]; then
	xrandr --output DP1-3 --auto --primary --above eDP1
fi