#!/usr/bin/python
# -*- coding:utf-8 -*-

# Copyright (C) 2020 Inspur Inc. All Rights Reserved.
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import (absolute_import, division, print_function)

__metaclass__ = type

DOCUMENTATION = '''
---
module: edit_ipv6
version_added: "0.1.0"
author:
    - WangBaoshan (@ISIB-group)
short_description: Set ipv6 information.
description:
   - Set ipv6 information on Inspur server.
options:
    interface_name:
        description:
            - Set interface_name.
        choices: ['eth0', 'eth1', 'bond0']
        required: True
        type: str
    ipv6_status:
        description:
            - Enable or disable IPV6.
        choices: ['enable', 'disable']
        type: str
    ipv6_dhcp_enable:
        description:
            - Enable 'Enable DHCP' to dynamically configure IPv6 address using Dynamic Host Configuration Protocol (DHCP).
        choices: ['dhcp', 'static']
        type: str
    ipv6_address:
        description:
            - If DHCP is disabled, specify a static IPv6 address to be configured for the selected interface.
            - Required when I(ipv6_dhcp_enable=static).
        type: str
    ipv6_index:
        description:
            - Ipv6 index(0-15).
            - Required when I(ipv6_dhcp_enable=static).
        type: int
    ipv6_prefix:
        description:
            - The subnet prefix length for the IPv6 settings(0-128).
            - Required when I(ipv6_dhcp_enable=static).
        type: int
    ipv6_gateway:
        description:
            - If DHCP is disabled, specify a static Default Gateway to be configured for the selected interface.
            - Required when I(ipv6_dhcp_enable=static).
        type: str
extends_documentation_fragment:
    - inspur.sm.ism
'''

EXAMPLES = '''
- name: Ipv6 test
  hosts: ism
  connection: local
  gather_facts: no
  vars:
    ism:
      host: "{{ ansible_ssh_host }}"
      username: "{{ username }}"
      password: "{{ password }}"

  tasks:

  - name: "Set ipv6 information"
    inspur.sm.edit_ipv6:
      interface_name: "eth0"
      ipv6_status: "disable"
      provider: "{{ ism }}"

  - name: "Set ipv6 information"
    inspur.sm.edit_ipv6:
      interface_name: "eth0"
      ipv6_status: "enable"
      ipv6_dhcp_enable: "dhcp"
      provider: "{{ ism }}"

  - name: "Set ipv6 information"
    inspur.sm.edit_ipv6:
      interface_name: "eth0"
      ipv6_status: "enable"
      ipv6_dhcp_enable: "static"
      ipv6_address: "::ffff:100:2:36:10"
      ipv6_index: 12
      ipv6_prefix: 16
      ipv6_gateway: "::"
      provider: "{{ ism }}"
'''

RETURN = '''
message:
    description: Messages returned after module execution.
    returned: always
    type: str
state:
    description: Status after module execution.
    returned: always
    type: str
changed:
    description: Check to see if a change was made on the device.
    returned: always
    type: bool
'''

from ansible.module_utils.basic import AnsibleModule
from ansible_collections.inspur.sm.plugins.module_utils.ism import (ism_argument_spec, get_connection)


class Network(object):
    def __init__(self, argument_spec):
        self.spec = argument_spec
        self.module = None
        self.init_module()
        self.results = dict()

    def init_module(self):
        """Init module object"""

        self.module = AnsibleModule(
            argument_spec=self.spec, supports_check_mode=False)

    def run_command(self):
        self.module.params['subcommand'] = 'setipv6'
        self.results = get_connection(self.module)
        if self.results['State'] == 'Success':
            self.results['changed'] = True

    def show_result(self):
        """Show result"""
        self.module.exit_json(**self.results)

    def work(self):
        """Worker"""
        self.run_command()
        self.show_result()


def main():
    argument_spec = dict(
        interface_name=dict(type='str', required=True, choices=['eth0', 'eth1', 'bond0']),
        ipv6_status=dict(type='str', required=False, choices=['enable', 'disable']),
        ipv6_dhcp_enable=dict(type='str', required=False, choices=['dhcp', 'static']),
        ipv6_address=dict(type='str', required=False),
        ipv6_index=dict(type='int', required=False),
        ipv6_prefix=dict(type='int', required=False),
        ipv6_gateway=dict(type='str', required=False),

    )
    argument_spec.update(ism_argument_spec)
    net_obj = Network(argument_spec)
    net_obj.work()


if __name__ == '__main__':
    main()