#

# Copyright (c) 2020 Red Hat, Inc.

#

# This file is part of nmstate

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation, either version 2.1 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with this program. If not, see <https://www.gnu.org/licenses/>.

#

import copy

from libnmstate.schema import DNS

from libnmstate.schema import Interface

from libnmstate.schema import Route

from libnmstate.schema import RouteRule

from .ifaces import Ifaces

from .dns import DnsState

from .route import RouteState

from .route_rule import RouteRuleState

class NetState:

    def __init__(self, desire_state, current_state=None, save_to_disk=True):

        if current_state is None:

            current_state = {}

        self._ifaces = Ifaces(

            desire_state.get(Interface.KEY),

            current_state.get(Interface.KEY),

            save_to_disk,

        )

        self._route = RouteState(

            self._ifaces,

            desire_state.get(Route.KEY),

            current_state.get(Route.KEY),

        )

        self._dns = DnsState(

            desire_state.get(DNS.KEY), current_state.get(DNS.KEY),

        )

        self._route_rule = RouteRuleState(

            self._route,

            desire_state.get(RouteRule.KEY),

            current_state.get(RouteRule.KEY),

        )

        self.desire_state = copy.deepcopy(desire_state)

        self.current_state = copy.deepcopy(current_state)

        if self.desire_state:

            self._ifaces.gen_dns_metadata(self._dns, self._route)

            self._ifaces.gen_route_metadata(self._route)

            self._ifaces.gen_route_rule_metadata(self._route_rule, self._route)

    def verify(self, current_state):

        self._ifaces.verify(current_state.get(Interface.KEY))

        self._dns.verify(current_state.get(DNS.KEY))

        self._route.verify(current_state.get(Route.KEY))

        self._route_rule.verify(current_state.get(RouteRule.KEY))

    @property

    def ifaces(self):

        return self._ifaces

    @property

    def dns(self):

        return self._dns