#!/bin/sh

xr="${XDG_CONFIG_HOME:-$HOME/.config}/Xresources"

if [ -n "$(xrandr --query | grep "DP2 connected")" ]; then
  xrandr --output eDP1 --off --output DP2 --auto
  if grep --quiet "Xft.dpi: 192" "$xr"; then
    sed -i "s/^Xft.dpi: 192/! Xft.dpi: 192/g" "$xr"
  else
    echo "! Xft.dpi: 192" >> "$xr"
  fi
elif [ -n "$(xrandr --query | grep "HDMI2 connected")" ]; then
  xrandr --output eDP1 --off --output HDMI2 --auto
  if grep --quiet "Xft.dpi: 192" "$xr"; then
    sed -i "s/^Xft.dpi: 192/! Xft.dpi: 192/g" "$xr"
  else
    echo "! Xft.dpi: 192" >> "$xr"
  fi
# elif [ -n "$(xrandr --query | grep "HDMI2 connected")" ]; then
#   xrandr --output eDP1 --off --output HDMI2 --mode 3840x2160
#   if grep --quiet "Xft.dpi: 192" "$xr"; then
#     sed -i "s/^! Xft.dpi: 192/Xft.dpi: 192/g" "$xr"
#   else
#     echo "Xft.dpi: 192" >> "$xr"
#   fi
else
  xrandr --output eDP1 --auto --output DP2 --off
  if grep --quiet "Xft.dpi: 192" "$xr"; then
    sed -i "s/^! Xft.dpi: 192/Xft.dpi: 192/g" "$xr"
  else
    echo "Xft.dpi: 192" >> "$xr"
  fi
fi
xrdb $HOME/.config/Xresources