#!/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: aci_interface_policy_port_security
short_description: Manage port security on Cisco ACI fabrics (l2:PortSecurityPol)
description:
- Manage port security on Cisco ACI fabrics.
- More information from the internal APIC class I(l2:PortSecurityPol) at
  U(https://developer.cisco.com/docs/apic-mim-ref/).
author:
- Dag Wieers (@dagwieers)
version_added: '2.4'
options:
  port_security:
    description:
    - The name of the port security.
    required: yes
    aliases: [ name ]
  description:
    description:
    - The description for the contract.
    aliases: [ descr ]
  max_end_points:
    description:
    - Maximum number of end points (range 0-12000).
    - The APIC defaults new port-security policies to C(0).
  state:
    description:
    - Use C(present) or C(absent) for adding or removing.
    - Use C(query) for listing an object or multiple objects.
    choices: [ absent, present, query ]
    default: present
extends_documentation_fragment: aci
'''

# FIXME: Add more, better examples
EXAMPLES = r'''
- aci_interface_policy_port_security:
    host: '{{ inventory_hostname }}'
    username: '{{ username }}'
    password: '{{ password }}'
    port_security: '{{ port_security }}'
    description: '{{ descr }}'
    max_end_points: '{{ max_end_points }}'
'''

RETURN = r'''
#
'''

from ansible.module_utils.network.aci.aci import ACIModule, aci_argument_spec
from ansible.module_utils.basic import AnsibleModule


def main():
    argument_spec = aci_argument_spec()
    argument_spec.update(
        port_security=dict(type='str', required=False, aliases=['name']),  # Not required for querying all objects
        description=dict(type='str', aliases=['descr']),
        max_end_points=dict(type='int'),
        state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
        method=dict(type='str', choices=['delete', 'get', 'post'], aliases=['action'], removed_in_version='2.6'),  # Deprecated starting from v2.6
        protocol=dict(type='str', removed_in_version='2.6'),  # Deprecated in v2.6
    )

    module = AnsibleModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
        required_if=[
            ['state', 'absent', ['port_security']],
            ['state', 'present', ['port_security']],
        ],
    )

    port_security = module.params['port_security']
    description = module.params['description']
    max_end_points = module.params['max_end_points']
    if max_end_points is not None and max_end_points not in range(12001):
        module.fail_json(msg='The "max_end_points" must be between 0 and 12000')
    state = module.params['state']

    aci = ACIModule(module)
    aci.construct_url(
        root_class=dict(
            aci_class='l2PortSecurityPol',
            aci_rn='infra/portsecurityP-{0}'.format(port_security),
            filter_target='eq(l2PortSecurityPol.name, "{0}")'.format(port_security),
            module_object=port_security,
        ),
    )

    aci.get_existing()

    if state == 'present':
        # Filter out module parameters with null values
        aci.payload(
            aci_class='l2PortSecurityPol',
            class_config=dict(
                name=port_security,
                descr=description,
                maximum=max_end_points,
            ),
        )

        # Generate config diff which will be used as POST request body
        aci.get_diff(aci_class='l2PortSecurityPol')

        # Submit changes if module not in check_mode and the proposed is different than existing
        aci.post_config()

    elif state == 'absent':
        aci.delete_config()

    module.exit_json(**aci.result)


if __name__ == "__main__":
    main()
