#!/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': 'certified'}

DOCUMENTATION = r'''
---
module: aci_tenant_ep_retention_policy
short_description: Manage End Point (EP) retention protocol policies (fv:EpRetPol)
description:
- Manage End Point (EP) retention protocol policies on Cisco ACI fabrics.
version_added: '2.4'
options:
  tenant:
    description:
    - The name of an existing tenant.
    type: str
    aliases: [ tenant_name ]
  epr_policy:
    description:
    - The name of the end point retention policy.
    type: str
    aliases: [ epr_name, name ]
  bounce_age:
    description:
    - Bounce entry aging interval in seconds.
    - Accepted values range between C(150) and C(65535); 0 is used for infinite.
    - The APIC defaults to C(630) when unset during creation.
    type: int
  bounce_trigger:
    description:
    - Determines if the bounce entries are installed by RARP Flood or COOP Protocol.
    - The APIC defaults to C(coop) when unset during creation.
    type: str
    choices: [ coop, flood ]
  hold_interval:
    description:
    - Hold interval in seconds.
    - Accepted values range between C(5) and C(65535).
    - The APIC defaults to C(300) when unset during creation.
    type: int
  local_ep_interval:
    description:
    - Local end point aging interval in seconds.
    - Accepted values range between C(120) and C(65535); 0 is used for infinite.
    - The APIC defaults to C(900) when unset during creation.
    type: int
  remote_ep_interval:
    description:
    - Remote end point aging interval in seconds.
    - Accepted values range between C(120) and C(65535); 0 is used for infinite.
    - The APIC defaults to C(300) when unset during creation.
    type: int
  move_frequency:
    description:
    - Move frequency per second.
    - Accepted values range between C(0) and C(65535); 0 is used for none.
    - The APIC defaults to C(256) when unset during creation.
    type: int
  description:
    description:
    - Description for the End point rentention policy.
    type: str
    aliases: [ descr ]
  state:
    description:
    - Use C(present) or C(absent) for adding or removing.
    - Use C(query) for listing an object or multiple objects.
    type: str
    choices: [ absent, present, query ]
    default: present
extends_documentation_fragment: aci
notes:
- The C(tenant) used must exist before using this module in your playbook.
  The M(aci_tenant) module can be used for this.
seealso:
- module: aci_tenant
- name: APIC Management Information Model reference
  description: More information about the internal APIC class B(fv:EpRetPol).
  link: https://developer.cisco.com/docs/apic-mim-ref/
author:
- Swetha Chunduri (@schunduri)
'''

EXAMPLES = r'''
- name: Add a new EPR policy
  aci_tenant_ep_retention_policy:
    host: apic
    username: admin
    password: SomeSecretPassword
    tenant: production
    epr_policy: EPRPol1
    bounce_age: 630
    hold_interval: 300
    local_ep_interval: 900
    remote_ep_interval: 300
    move_frequency: 256
    description: test
    state: present
  delegate_to: localhost

- name: Remove an EPR policy
  aci_tenant_ep_retention_policy:
    host: apic
    username: admin
    password: SomeSecretPassword
    tenant: production
    epr_policy: EPRPol1
    state: absent
  delegate_to: localhost

- name: Query an EPR policy
  aci_tenant_ep_retention_policy:
    host: apic
    username: admin
    password: SomeSecretPassword
    tenant: production
    epr_policy: EPRPol1
    state: query
  delegate_to: localhost
  register: query_result

- name: Query all EPR policies
  aci_tenant_ep_retention_policy:
    host: apic
    username: admin
    password: SomeSecretPassword
    state: query
  delegate_to: localhost
  register: query_result
'''

RETURN = r'''
current:
  description: The existing configuration from the APIC after the module has finished
  returned: success
  type: list
  sample:
    [
        {
            "fvTenant": {
                "attributes": {
                    "descr": "Production environment",
                    "dn": "uni/tn-production",
                    "name": "production",
                    "nameAlias": "",
                    "ownerKey": "",
                    "ownerTag": ""
                }
            }
        }
    ]
error:
  description: The error information as returned from the APIC
  returned: failure
  type: dict
  sample:
    {
        "code": "122",
        "text": "unknown managed object class foo"
    }
raw:
  description: The raw output returned by the APIC REST API (xml or json)
  returned: parse error
  type: str
  sample: '<?xml version="1.0" encoding="UTF-8"?><imdata totalCount="1"><error code="122" text="unknown managed object class foo"/></imdata>'
sent:
  description: The actual/minimal configuration pushed to the APIC
  returned: info
  type: list
  sample:
    {
        "fvTenant": {
            "attributes": {
                "descr": "Production environment"
            }
        }
    }
previous:
  description: The original configuration from the APIC before the module has started
  returned: info
  type: list
  sample:
    [
        {
            "fvTenant": {
                "attributes": {
                    "descr": "Production",
                    "dn": "uni/tn-production",
                    "name": "production",
                    "nameAlias": "",
                    "ownerKey": "",
                    "ownerTag": ""
                }
            }
        }
    ]
proposed:
  description: The assembled configuration from the user-provided parameters
  returned: info
  type: dict
  sample:
    {
        "fvTenant": {
            "attributes": {
                "descr": "Production environment",
                "name": "production"
            }
        }
    }
filter_string:
  description: The filter string used for the request
  returned: failure or debug
  type: str
  sample: ?rsp-prop-include=config-only
method:
  description: The HTTP method used for the request to the APIC
  returned: failure or debug
  type: str
  sample: POST
response:
  description: The HTTP response from the APIC
  returned: failure or debug
  type: str
  sample: OK (30 bytes)
status:
  description: The HTTP status from the APIC
  returned: failure or debug
  type: int
  sample: 200
url:
  description: The HTTP url used for the request to the APIC
  returned: failure or debug
  type: str
  sample: https://10.11.12.13/api/mo/uni/tn-production.json
'''

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

BOUNCE_TRIG_MAPPING = dict(
    coop='protocol',
    rarp='rarp-flood',
)


def main():
    argument_spec = aci_argument_spec()
    argument_spec.update(
        tenant=dict(type='str', aliases=['tenant_name']),  # Not required for querying all objects
        epr_policy=dict(type='str', aliases=['epr_name', 'name']),  # Not required for querying all objects
        bounce_age=dict(type='int'),
        bounce_trigger=dict(type='str', choices=['coop', 'flood']),
        hold_interval=dict(type='int'),
        local_ep_interval=dict(type='int'),
        remote_ep_interval=dict(type='int'),
        description=dict(type='str', aliases=['descr']),
        move_frequency=dict(type='int'),
        state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
    )

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

    epr_policy = module.params['epr_policy']
    bounce_age = module.params['bounce_age']
    if bounce_age is not None and bounce_age != 0 and bounce_age not in range(150, 65536):
        module.fail_json(msg="The bounce_age must be a value of 0 or between 150 and 65535")
    if bounce_age == 0:
        bounce_age = 'infinite'
    bounce_trigger = module.params['bounce_trigger']
    if bounce_trigger is not None:
        bounce_trigger = BOUNCE_TRIG_MAPPING[bounce_trigger]
    description = module.params['description']
    hold_interval = module.params['hold_interval']
    if hold_interval is not None and hold_interval not in range(5, 65536):
        module.fail_json(msg="The hold_interval must be a value between 5 and 65535")
    local_ep_interval = module.params['local_ep_interval']
    if local_ep_interval is not None and local_ep_interval != 0 and local_ep_interval not in range(120, 65536):
        module.fail_json(msg="The local_ep_interval must be a value of 0 or between 120 and 65535")
    if local_ep_interval == 0:
        local_ep_interval = "infinite"
    move_frequency = module.params['move_frequency']
    if move_frequency is not None and move_frequency not in range(65536):
        module.fail_json(msg="The move_frequency must be a value between 0 and 65535")
    if move_frequency == 0:
        move_frequency = "none"
    remote_ep_interval = module.params['remote_ep_interval']
    if remote_ep_interval is not None and remote_ep_interval not in range(120, 65536):
        module.fail_json(msg="The remote_ep_interval must be a value of 0 or between 120 and 65535")
    if remote_ep_interval == 0:
        remote_ep_interval = "infinite"
    state = module.params['state']
    tenant = module.params['tenant']

    aci = ACIModule(module)
    aci.construct_url(
        root_class=dict(
            aci_class='fvTenant',
            aci_rn='tn-{0}'.format(tenant),
            module_object=tenant,
            target_filter={'name': tenant},
        ),
        subclass_1=dict(
            aci_class='fvEpRetPol',
            aci_rn='epRPol-{0}'.format(epr_policy),
            module_object=epr_policy,
            target_filter={'name': epr_policy},
        ),
    )

    aci.get_existing()

    if state == 'present':
        aci.payload(
            aci_class='fvEpRetPol',
            class_config=dict(
                name=epr_policy,
                descr=description,
                bounceAgeIntvl=bounce_age,
                bounceTrig=bounce_trigger,
                holdIntvl=hold_interval,
                localEpAgeIntvl=local_ep_interval,
                remoteEpAgeIntvl=remote_ep_interval,
                moveFreq=move_frequency,
            ),
        )

        aci.get_diff(aci_class='fvEpRetPol')

        aci.post_config()

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

    aci.exit_json()


if __name__ == "__main__":
    main()
