#!/bin/sh

# A mew wrapper script for system functions.
export WM="sway"
case "$(readlink -f /sbin/init)" in
*systemd*) ctl='systemctl' ;;
*) ctl='loginctl' ;;
esac

wmpid() { # This function is needed if there are multiple instances of the window manager.
  tree="$(pstree -ps $$)"
  tree="${tree#*$WM(}"
  echo "${tree%%)*}"
}

lock() {
  mpc pause
  pauseallmpv
  wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
  kill -44 $(pidof i3blocks)
  swaylock
  wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
  kill -44 $(pidof i3blocks)
}

case "$(printf "lock\nleave $WM\nrenew $WM\nhibernate\nreboot\nshutdown\nsleep\ndisplay off" | mew -c -l 8 -i -p 'Action: ')" in
'lock') lock ;;
"leave $WM") swaymsg exit ;;
"renew $WM") swaymsg reload ;;
'hibernate') $ctl hibernate -i ;;
'sleep') $ctl suspend -i ;;
'reboot') $ctl reboot -i ;;
'shutdown') $ctl poweroff -i;;
'display off') xset dpms force off ;;
*) exit 1 ;;
esac