#!/bin/sh

cmd="$1"; shift

case "$cmd" in
setup)
  xrdb -merge "$XDG_CONFIG_HOME"/X11/xresources."$THEME"
  xset b off
  xset m 0
  xset r rate 300 50
  xset s 300
  xset dpms 420 540 720
  xmodmap "$XDG_CONFIG_HOME"/X11/xmodmap
  xss-lock -- slock &
  ;;
bg)
  randr="$(xrandr | rg ' connected ')"
  mons="$(echo "$randr" | wc -l)"
  wpdir="$HOME"/img/wp

  [ "$1" ] && bgone="$1" || bgone="$wpdir"/one/cliff.jpg
  cmd="feh --no-fehbg --bg-fill $bgone"

  if [ "$mons" = 2 ]; then
    [ "$2" ] && bgtwo="$2" || bgtwo="$wpdir"/two/lilies.jpg
    cmd="$cmd --bg-fill $bgtwo"
  else
    cmd="feh --no-fehbg --bg-fill $bgone"
  fi

  eval "$cmd"
  ;;
mon)
  mons="$(xrandr | rg --no-config ' connected ' | awk '{ print $1 }')"

  one="$(echo "$mons" | head -n 1)"
  two="$(echo "$mons" | tail -n 1)"
  case "$two" in
  *None* | "$one")
    unset two
    ;;
  esac

  xrandr --auto

  xrandr --output "$one" --primary --mode 1920x1200 --scale 1x1 --set TearFree on --dpi 161.73

  [ -z "$two" ] && exit

  xrandr --output "$one" --pos 960x2160 --output "$two" --scale 1.5x1.5 --pos 0x0
  ;;
*)
  echo "Usage: x {setup|bg|mon}" >&2
  exit 1
  ;;
esac