#
# Copyright (c) 2015-2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
import six
from _object import ObjectData

from nfv_common.helpers import Constant, Constants, Singleton


@six.add_metaclass(Singleton)
class NetworkAdministrativeState(Constants):
    """
    Network Administrative State Constants
    """
    UNKNOWN = Constant('unknown')
    LOCKED = Constant('locked')
    UNLOCKED = Constant('unlocked')


@six.add_metaclass(Singleton)
class NetworkOperationalState(Constants):
    """
    Network Operational State Constants
    """
    UNKNOWN = Constant('unknown')
    ENABLED = Constant('enabled')
    DISABLED = Constant('disabled')


@six.add_metaclass(Singleton)
class NetworkAvailabilityStatus(Constants):
    """
    Network Availability Status Constants
    """
    UNKNOWN = Constant('unknown')
    NONE = Constant('')
    FAILED = Constant('failed')
    BUILDING = Constant('building')


# Network Constant Instantiation
NETWORK_ADMIN_STATE = NetworkAdministrativeState()
NETWORK_OPER_STATE = NetworkOperationalState()
NETWORK_AVAIL_STATUS = NetworkAvailabilityStatus()


class NetworkProviderData(ObjectData):
    """
    NFVI Network Provider Data Object
    """
    def __init__(self, physical_network, network_type, segmentation_id):
        super(NetworkProviderData, self).__init__('1.0.0')
        self.update(dict(physical_network=physical_network,
                         network_type=network_type,
                         segmentation_id=segmentation_id))


class Network(ObjectData):
    """
    NFVI Network Object
    """
    def __init__(self, uuid, name, admin_state, oper_state, avail_status,
                 is_shared, mtu, provider_data=None):
        super(Network, self).__init__('1.0.0')
        self.update(dict(uuid=uuid, name=name, admin_state=admin_state,
                         oper_state=oper_state, avail_status=avail_status,
                         is_shared=is_shared, mtu=mtu,
                         provider_data=provider_data))