#!/bin/bash -e

function off() {
    local ifs

    read -ra ifs < <(wg show interfaces) || true
    for i in "${ifs[@]}"; do
        wg-quick down "$i"
    done
}

[ "$EUID" != 0 ] && { pkexec bash -c "DISPLAY='$DISPLAY' XAUTHORITY='$XAUTHORITY' $0 $*"; exit; }

[ "$1" == off ] && { off; exit; }

if [ -n "$DISPLAY" ]; then
    if="$(basename -s.conf /etc/wireguard/*.conf | /usr/local/bin/dmenu)"
else
    select if in $(basename -s.conf /etc/wireguard/*.conf); do
        break
    done
fi
off
wg-quick up "$if"