#!/bin/sh

#
# → https://faq.i3wm.org/question/239/how-do-i-suspendlockscreen-and-logout.1.html
#

lock() {
    # see https://stackoverflow.com/a/331294
    img="$TMPDIR/i3lock-$$.png"
    img_tmp="$TMPDIR/i3lock-tmp-$$.png"
    scrot $img_tmp
    convert -scale 10% -scale 1000% $img_tmp $img
    i3lock -n -i $img
    rm -f $img $img_tmp
}

case "$1" in
    lock)
        lock
        ;;
    logout)
        i3-msg exit
        ;;
    suspend)
        lock && systemctl suspend
        ;;
    hibernate)
        lock && systemctl hibernate
        ;;
    reboot)
        systemctl reboot
        ;;
    shutdown)
        systemctl poweroff
        ;;
    *)
        echo "Usage: $0 {lock|logout|suspend|hibernate|reboot|shutdown}"
        exit 2
esac

exit 0