#!/usr/bin/python
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
#

ANSIBLE_METADATA = {'metadata_version': '1.1',
                    'status': ['preview'],
                    'supported_by': 'network'}


DOCUMENTATION = '''
---
module: nxos_reboot
extends_documentation_fragment: nxos
version_added: 2.2
short_description: Reboot a network device.
description:
    - Reboot a network device.
author:
    - Jason Edelman (@jedelman8)
    - Gabriele Gerbino (@GGabriele)
notes:
    - Tested against NXOSv 7.3.(0)D1(1) on VIRL
    - The module will fail due to timeout issues, but the reboot will be
      performed anyway.
options:
    confirm:
        description:
            - Safeguard boolean. Set to true if you're sure you want to reboot.
        required: false
        default: false
'''

EXAMPLES = '''
- nxos_reboot:
    confirm: true
'''

RETURN = '''
rebooted:
    description: Whether the device was instructed to reboot.
    returned: success
    type: boolean
    sample: true
'''

from ansible.module_utils.network.nxos.nxos import run_commands
from ansible.module_utils.network.nxos.nxos import nxos_argument_spec, check_args
from ansible.module_utils.basic import AnsibleModule


def reboot(module):
    cmds = [
        {'command': 'terminal dont-ask', 'output': 'text'},
        {'command': 'reload', 'output': 'text'}
    ]
    run_commands(module, cmds)


def main():
    argument_spec = dict(
        confirm=dict(default=False, type='bool')
    )
    argument_spec.update(nxos_argument_spec)

    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)

    warnings = list()
    check_args(module, warnings)
    results = dict(changed=False, warnings=warnings)

    if module.params['confirm']:
        if not module.check_mode:
            reboot(module)
        results['changed'] = True

    module.exit_json(**results)


if __name__ == '__main__':
    main()