#!/bin/sh

# Get current IP address
addr=$(ip -4 addr show $1 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
# The the relevant number (X) 192.168.X.YYY
num=($(echo "$addr" | tr '.' '\n'))
# Based on number set xrandr
case ${num[2]} in
    2)
        # Primary monitor on left
        xrandr --output DP-4 --primary \
            --mode 2560x1440 --rate 144 \
            --pos 0x0 --rotate normal \
            --output HDMI-0 \
            --mode 2560x1440 --rate 144 \
            --pos 2560x0 --rotate normal
        ;;
    1)
        # Primary monitor on right
        xrandr --output HDMI-0 \
            --mode 2560x1440 --rate 144 \
            --pos 0x0 --rotate normal \
            --output DP-4 --primary \
            --mode 2560x1440 --rate 144 \
            --pos 2560x0 --rotate normal
        ;;
esac