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

# 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

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

DOCUMENTATION = r'''
---
module: ucs_vlan_to_group
short_description: Add VLANs to a VLAN Group. Requires VLAN and VLAN Group to already be created on UCS prior to running module.
description:
- Add VLANs to VLAN Groups on Cisco UCS Manager.
extends_documentation_fragment: ucs
options:
  state:
    description:
    - If C(present), will verify VLANs are present and will create if needed.
    - If C(absent), will verify VLANs are absent and will delete if needed.
    choices: [present, absent]
    default: present
  vlanname:
    description:
    - The name assigned to the VLAN.
    - The VLAN name is case sensitive.
    - This name can be between 1 and 32 alphanumeric characters.
    - "You cannot use spaces or any special characters other than - (hyphen), \"_\" (underscore), : (colon), and . (period)."
    required: yes
  vlangroup:
    description:
    - The name assigned to the VLAN Group.
    - The VLAN Group name is case sensitive.
    - This name can be between 1 and 32 alphanumeric characters.
    - "You cannot use spaces or any special characters other than - (hyphen), \"_\" (underscore), : (colon), and . (period)."
    required: yes
requirements:
- ucsmsdk
author:
- Derrick Johnson @derricktj
version_added: '2.8'
'''

EXAMPLES = r'''
- name: Configure VLAN
  ucs_vlan_to_group:
    hostname: 1.1.1.1
    username: admin
    password: password
    vlangroup: VLANGROUP
    vlanname: VLANNAME
    state: present
- name: Remove VLAN
  ucs_vlan_to_group:
    hostname: 1.1.1.1
    username: admin
    password: password
    vlangroup: VLANGROUP
    vlanname: VLANNAME
    state: absent
'''

RETURN = r'''
#
'''

from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.remote_management.ucs import UCSModule, ucs_argument_spec


def main():
    argument_spec = ucs_argument_spec
    argument_spec.update(
        vlangroup=dict(type='str', required=True),
        vlanname=dict(type='str', required=True),
        state=dict(default='present', choices=['present', 'absent'], type='str'),
    )

    module = AnsibleModule(
        argument_spec,
        supports_check_mode=True,
        required_if=[
            ['state', 'present', ['vlangroup', 'vlanname']],
        ],
    )
    ucs = UCSModule(module)

    err = False

    from ucsmsdk.mometa.fabric.FabricNetGroup import FabricNetGroup
    from ucsmsdk.mometa.fabric.FabricPooledVlan import FabricPooledVlan

    
    changed = False
    try:
        dngroup1_exists = False
        dnvlan1_exists = False
        dnpooled1_exists = False
        
        #dn = fabric/lan/net-group-VLANGROUP
        #Check for VLAN Group
        dngroup = 'fabric/lan/net-group-' + module.params['vlangroup']
        dngroup1 = ucs.login_handle.query_dn(dngroup)

        #dn = fabric/lan/net-VLANNAME
        #Check for VLAN
        dnvlan = 'fabric/lan/net-' + module.params['vlanname']
        dnvlan1 = ucs.login_handle.query_dn(dnvlan)

        #dn = fabric/lan/net-group-VLANGROUP/net-VLANNAME
        #Check for VLAN within VLAN Group
        dnpooled = 'fabric/lan/net-group-' + module.params['vlangroup'] + '/net-' + module.params['vlanname']
        dnpooled1 = ucs.login_handle.query_dn(dnpooled)

        #Configuration MOs. Couldn't really get this to work off the DNs, so I built additional objects.
        mo = FabricNetGroup(parent_mo_or_dn="fabric/lan", name=module.params['vlangroup'])
        mo_1 = FabricPooledVlan(parent_mo_or_dn=mo, name=module.params['vlanname'])

        if not dngroup1:
            #Error out if the VLAN Group is missing
            err = True
            ucs.result['msg'] = module.params['vlangroup'] + " VLAN Group not configured in UCS"

        if not dnvlan1:
            #Error out if VLAN is missing
            err = True
            ucs.result['msg'] = module.params['vlanname'] + " VLAN not configured in UCS. Use ucs_vlans module to create the VLAN first"

        if dnpooled1:
            dnpooled1_exists = True

        if module.params['state'] == 'absent':
            if dnpooled1_exists:
                if not module.check_mode:
                    ucs.login_handle.remove_mo(mo_1)
                    ucs.login_handle.commit()
                changed = True

        if module.params['state'] == 'present':
            if not dnpooled1_exists:
                if not module.check_mode:
                    ucs.login_handle.add_mo(mo, True)
                    ucs.login_handle.commit()
                changed = True


    except Exception as e:
        err = True
        ucs.result['msg'] = "setup error: %s " % str(e)

    ucs.result['changed'] = changed
    if err:
        module.fail_json(**ucs.result)
    module.exit_json(**ucs.result)


if __name__ == '__main__':
    main()