#!/usr/bin/env python3

"""
Setup a working BATMAN Advanced network
with systemd-networkd and iwd
"""

# for linking resolv.conf
from pathlib import Path
from dasbus.connection import SystemMessageBus

SYSTEMD_RESOLVED_STUB_RESOLVE = "/run/systemd/resolve/stub-resolv.conf"
RESOLV_CONF = "/etc/resolv.conf"


def get_all_devices(proxy):
    """
    Returns d-bus object path of all devices as a list of strings.
    proxy: usually what is returned by bus.get_proxy('net.connman.iwd','/')
    """
    # Gets all D-Bus objects in the proxy.
    objects = proxy.GetManagedObjects()

    # Now find out which of them are devices
    devices = []
    for name, obj in objects.items():
        if "net.connman.iwd.Device" in obj:
            # add all devices to the list
            devices.append(name)

    return devices


# Copy networkd configs


# syslink resolvd
try:
    Path(RESOLV_CONF).symlink_to(SYSTEMD_RESOLVED_STUB_RESOLVE)
except FileExistsError:
    print("Resolv.conf already exists")

# connect to the System bus
bus = SystemMessageBus()
# iwd proxy
proxy = bus.get_proxy("net.connman.iwd", "/")

print("Bye")