# Wireguard functions for Wire-Py
import os


def active():  # Shows the active tunnel
    a = os.popen('nmcli connection show --active | grep -iPo "(.*)(wireguard)"').read().split()
    if not a:
        a = ''

        return a
    else:
        a = a[0]
        return a


def tl_list():
    wg_s = os.popen('nmcli connection show | grep -iPo "(.*)(wireguard)"').read().split()
    tl = wg_s[::3]  # tl = Tunnelliste # Hiermit wird jedes 4. Element der Liste gezeigt
    return tl