#!/usr/bin/python
# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2019 Lenovo
#
# 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.

import optparse
import os
import signal
import sys
import time

try:
    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
    pass
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
    sys.path.append(path)

import confluent.client as client

exitcode = 0

argparser = optparse.OptionParser(
    usage="Usage: "
          "%prog <noderange> [list][install <file>|save <directory>]")
(options, args) = argparser.parse_args()
upfile = None
downdir = None
try:
    noderange = args[0]
    if len(args) > 1:
        if args[1] == 'install':
            upfile = args[2]
        elif args[1] == 'save':
            downdir = args[2]
        else:
            components = ['all']
except IndexError:
    argparser.print_help()
    sys.exit(1)
client.check_globbing(noderange)


def install_license(session, filename):
    global exitcode
    resource = '/noderange/{0}/configuration/' \
               'management_controller/licenses/'.format(noderange)
    filename = os.path.abspath(filename)
    instargs = {'filename': filename}
    for res in session.create(resource, instargs):
        pass # print(repr(res))
    show_licenses(session)


def save_licenses(session, dirname):
    global exitcode
    resource = '/noderange/{0}/configuration/' \
               'management_controller/save_licenses'.format(noderange)
    filename = os.path.abspath(dirname)
    instargs = {'dirname': filename}
    for res in session.create(resource, instargs):
        for node in res.get('databynode', {}):
            fname = res['databynode'][node].get('filename', None)
            if fname:
                print('{0}: Saved license to {1}'.format(node, fname))
            else:
                sys.stderr.write('{0}: {1}', node, repr(res['databynode'][node]))


def show_licenses(session):
    global exitcode
    firmware_shown = False
    for res in session.read(
            '/noderange/{0}/configuration/management_controller/licenses/'
            'all'.format(noderange)):
        for node in res.get('databynode', {}):
            for license in res['databynode'][node].get('License', []):
                print('{0}: {1}'.format(node, license.get('feature',
                                                          'Unknown')))


try:
    session = client.Command()
    if upfile:
        install_license(session, upfile)
    elif downdir:
        save_licenses(session, downdir)
    else:
        show_licenses(session)
except KeyboardInterrupt:
    print('')
sys.exit(exitcode)