import argparse

from uncloud.hack.vm import VM
from uncloud.hack.config import Config
from uncloud.hack.mac import MAC
from uncloud.hack.net import VXLANBridge, DNSRA

from uncloud import UncloudException

arg_parser = argparse.ArgumentParser('hack', add_help=False)
                                     #description="Commands that are unfinished - use at own risk")
arg_parser.add_argument('--create-vm', action='store_true')
arg_parser.add_argument('--last-used-mac', action='store_true')
arg_parser.add_argument('--get-new-mac', action='store_true')

arg_parser.add_argument('--init-network', help="Initialise networking")
arg_parser.add_argument('--management-network', help="IPv6 management network")
arg_parser.add_argument('--run-dns-ra', action='store_true',
                        help="Provide router advertisements and DNS resolution via dnsmasq")




def main(arguments):
    print(arguments)
    config = Config(arguments)

    if arguments['create_vm']:
        print("Creating VM")
        vm = VM(config)
        vm.create()

    if arguments['last_used_mac']:
        m = MAC(config)
        print(m.last_used_mac())

    if arguments['get_new_mac']:
        print(MAC(config).get_next())

    if arguments['init_networking!']:
        if not arguments['management_network']:
            raise UncloudException("Initialising the network requires an IPv6 network. You can use fd00::/64 for testing (non production!)")
        vb = VXLANBridge(arguments['management_network'])
        vb.setup()

    if arguments['run_dns_ra']:
        if not arguments['management_network']:
            raise UncloudException("Providing DNS/RAs requires a /64 IPv6 network. You can use fd00::/64 for testing (non production!)")

        dnsra = DNSRA(arguments['management_network'])
        dnsra.setup()