# -*- cpy-indent-level: 4; indent-tabs-mode: nil -*-
# ex: set expandtab softtabstop=4 shiftwidth=4:
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# Copyright (C) 2008,2009,2010,2011,2012,2013,2015,2016,2017  Contributor
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"""Contains the logic for `aq reset advertised status --hostname`."""

from aquilon.exceptions_ import ArgumentError
from aquilon.worker.broker import BrokerCommand
from aquilon.worker.dbwrappers.host import hostname_to_host
from aquilon.worker.templates import TemplateDomain
from aquilon.worker.dbwrappers.change_management import ChangeManagement


class CommandResetAdvertisedStatus(BrokerCommand):
    requires_plenaries = True
    """ reset advertised status for single host """

    required_parameters = ["hostname"]

    def render(self, session, logger, plenaries, hostname, user, justification, reason, **arguments):
        dbhost = hostname_to_host(session, hostname)

        # Validate ChangeManagement
        cm = ChangeManagement(session, user, justification, reason, logger, self.command, **arguments)
        cm.consider(dbhost)
        cm.validate()

        if dbhost.status.name == 'ready':
            raise ArgumentError("{0:l} is in ready status, "
                                "advertised status can be reset only "
                                "when host is in non ready state."
                                .format(dbhost))

        dbhost.advertise_status = False

        session.flush()

        td = TemplateDomain(dbhost.branch, dbhost.sandbox_author, logger=logger)
        plenaries.add(dbhost, allow_incomplete=False)
        # Force a host lock as pan might overwrite the profile...
        with plenaries.transaction():
            td.compile(session, only=plenaries.object_templates)

        return
