# Copyright 2017 AT&T Intellectual Property.  All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" cli.task.commands
    Contains commands related to tasks against designs
"""
import click
import json

from prettytable import PrettyTable

from drydock_provisioner.cli.node.actions import NodeList


@click.group()
def node():
    """ Drydock node commands
    """

@node.command(name='list')
@click.option('--output', '-o', help='Output format: table|json', default='table')
@click.pass_context
def node_list(ctx, output='table'):
    """List nodes."""
    nodelist = NodeList(ctx.obj['CLIENT']).invoke()

    if output == 'table':
        pt = PrettyTable()

        pt.field_names = ['Node Name', 'Status', 'CPUs', 'Memory', 'PXE MAC']

        for n in nodelist:
            pt.add_row([n['hostname'], n['status_name'], n['cpu_count'], n['memory'], n['boot_mac']])

        click.echo(pt)
    elif output == 'json':
        click.echo(json.dumps(nodelist))