#!/bin/sh

# A dmenu wrapper script for system functions.
export WM="dwm"
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 dwmblocks)
    slock
    wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
    kill -44 $(pidof dwmblocks)
}

case "$(printf "󰌾 lock\n󰶐 display off\n󰤄 sleep\n󰍃 leave $WM\n󰑐 renew $WM\n󰒲 hibernate\n󰜉 reboot\n󰐥 shutdown" | dmenu -i -l 8 -p 'Action: ')" in
	'󰌾 lock') lock ;;
	'󰶐 display off') xset dpms force off ;;
	'󰤄 sleep') $ctl suspend -i ;;
	"󰍃 leave $WM") kill -TERM "$(wmpid)" ;;
	"󰑐 renew $WM") kill -HUP "$(wmpid)" ;;
	'󰒲 hibernate') $ctl hibernate -i ;;
	'󰜉 reboot') $ctl reboot -i ;;
	'󰐥 shutdown') $ctl poweroff -i ;;
	*) exit 1 ;;
esac