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

# GNU General Public License v3.0+ (see LICENSE 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_aep_to_epg
short_description: Bind EPG to AEP (infra:RsFuncToEpg).
description:
- Bind EPG to AEP.
options:
  aep:
    description:
    - The name of the Attachable Access Entity Profile.
    type: str
    aliases: [ aep_name ]
  tenant:
    description:
    - The name of an existing tenant.
    type: str
    aliases: [ tenant_name ]
  ap:
    description:
    - Name of an existing application network profile, that will contain the EPGs.
    type: str
    aliases: [ app_profile, app_profile_name ]
  epg:
    description:
    - The name of the end point group.
    type: str
    aliases: [ epg_name ]
  encap:
    description:
    - The VLAN associated with this application EPG.
    type: int
    aliases: [ vlan, vlan_id, encap_id ]
  primary_encap:
    description:
    - The primary VLAN associated with this EPG
    type: int
    aliases: [ primary_vlan, primary_vlan_id, primary_encap_id ]
  interface_mode:
    description:
    - Determines how layer 2 tags will be read from and added to frames.
    - Values C(802.1p) and C(native) are identical.
    - Values C(access) and C(untagged) are identical.
    - Values C(regular), C(tagged) and C(trunk) are identical.
    - The APIC defaults to C(trunk) when unset during creation.
    type: str
    choices: [ 802.1p, access, native, regular, tagged, trunk, untagged ]
    aliases: [ mode, mode_name, interface_mode_name ]
  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:
- cisco.aci.aci
author:
- Marcel Zehnder (@maercu)
'''

EXAMPLES = r'''
- name: Associate EPG with AEP
  cisco.aci.aci_aep_to_epg:
    host: apic
    username: admin
    password: SomeSecretPassword
    aep: aep1
    tenant: tenant1
    ap: ap1
    epg: epg1
    encap_id: 222
    interface_mode: access
    state: present
  delegate_to: localhost

- name: Associate EPG with AEP
  cisco.aci.aci_aep_to_epg:
    host: apic
    username: admin
    password: SomeSecretPassword
    aep: aep1
    tenant: tenant1
    ap: ap1
    epg: epg1
    encap_id: 222
    interface_mode: access
    state: absent
  delegate_to: localhost

- name: Get specific EPG with AEP association
  cisco.aci.aci_aep_to_epg:
    host: apic
    username: admin
    password: SomeSecretPassword
    aep: aep1
    tenant: tenant1
    ap: ap1
    epg: epg1
    encap_id: 222
    interface_mode: access
    state: query
  delegate_to: localhost
  register: query_result

- name: Get all EPG with AEP association
  cisco.aci.aci_aep_to_epg:
    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_collections.cisco.aci.plugins.module_utils.aci import ACIModule, aci_argument_spec
from ansible.module_utils.basic import AnsibleModule


INTERFACE_MODE_MAPPING = {
    '802.1p': 'native',
    'access': 'untagged',
    'native': 'native',
    'regular': 'regular',
    'tagged': 'regular',
    'trunk': 'regular',
    'untagged': 'untagged',
}


def main():
    argument_spec = aci_argument_spec()

    argument_spec.update(
        aep=dict(type='str', aliases=['aep_name']),
        tenant=dict(type='str', aliases=['tenant_name']),
        ap=dict(type='str', aliases=['app_profile', 'app_profile_name']),
        epg=dict(type='str', aliases=['epg_name']),
        encap=dict(type='int', aliases=['vlan', 'vlan_id', 'encap_id']),
        primary_encap=dict(type='int', aliases=[
            'primary_vlan', 'primary_vlan_id', 'primary_encap_id']),
        interface_mode=dict(type='str', choices=['802.1p', 'access', 'native',
                                                 'regular', 'tagged', 'trunk',
                                                 'untagged'], aliases=['mode_name', 'mode', 'interface_mode_name']),
        state=dict(type='str', default='present',
                   choices=['absent', 'present', 'query'])
    )

    module = AnsibleModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
        required_if=[
            ['state', 'absent', ['aep', 'epg', 'ap', 'tenant']],
            ['state', 'present', ['interface_mode', 'encap', 'aep', 'epg', 'ap', 'tenant']],
        ]
    )

    aep = module.params.get('aep')
    tenant = module.params.get('tenant')
    ap = module.params.get('ap')
    epg = module.params.get('epg')
    encap = module.params.get('encap')
    primary_encap = module.params.get('primary_encap')
    interface_mode = module.params.get('interface_mode')
    state = module.params.get('state')

    if interface_mode is not None:
        interface_mode = INTERFACE_MODE_MAPPING[interface_mode]

    if encap is not None:
        encap = 'vlan-{0}'.format(encap)

    if primary_encap is not None:
        primary_encap = 'vlan-{0}'.format(primary_encap)

    epg_mo = None
    if tenant is not None and ap is not None and epg is not None:
        epg_mo = 'uni/tn-{0}/ap-{1}/epg-{2}'.format(tenant, ap, epg)

    aci = ACIModule(module)
    aci.construct_url(
        root_class=dict(
            aci_class='infraAttEntityP',
            aci_rn='infra/attentp-{0}'.format(aep),
            module_object=aep,
            target_filter={'name': aep}
        ),
        subclass_1=dict(
            aci_class='infraGeneric',
            aci_rn='gen-default',
            module_object='default',
            target_filter={'name': 'default'}
        ),
        child_classes=['infraRsFuncToEpg']
    )

    aci.get_existing()

    if state == 'present':
        child_configs = [
            dict(
                infraRsFuncToEpg=dict(
                    attributes=dict(
                        encap=encap,
                        primaryEncap=primary_encap,
                        mode=interface_mode,
                        tDn=epg_mo
                    )
                )
            )
        ]

        aci.payload(
            aci_class='infraGeneric',
            class_config=dict(name='default'),
            child_configs=child_configs
        )

        aci.get_diff(aci_class='infraGeneric')

        aci.post_config()

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

    aci.exit_json()


if __name__ == "__main__":
    main()
