#!/usr/bin/python
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# This module is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software.  If not, see <http://www.gnu.org/licenses/>.


try:
    import shade
    from shade import meta
    HAS_SHADE = True
except ImportError:
    HAS_SHADE = False

DOCUMENTATION = '''
---
module: os_keystone_domain
short_description: Manage OpenStack Identity Domains
extends_documentation_fragment: openstack
version_added: "2.1"
description:
    - Manage  OpenStack Identity Domains
options:
   name:
     description:
        - Name that has to be given to the instance
     required: true
   description:
     description:
        - Description of the domain
     required: false
     default: None
   enabled:
     description:
        - Is the domain enabled
     required: false
     default: True
   state:
     description:
       - Should the resource be present or absent.
     choices: [present, absent]
     default: present
requirements:
    - "python >= 2.6"
    - "shade"
'''

EXAMPLES = '''
# Create a domain
- os_keystone_domain: name=demo description="Demo Domain"
'''


def main():

    argument_spec = openstack_full_argument_spec(
        name=dict(required=True),
        description=dict(default=None),
        enabled=dict(default=True, type='bool'),
        state=dict(default='present', choices=['absent', 'present']),
        # Override endpoint_type default since this is an admin function
        endpoint_type=dict(
            default='admin', choices=['public', 'internal', 'admin']),
    ))

    module_kwargs = openstack_module_kwargs()
    module = AnsibleModule(argument_spec, **module_kwargs)

    if not HAS_SHADE:
        module.fail_json(msg='shade is required for this module')

    name = module.params.pop('name')
    description = module.params.pop('description')
    enabled = module.params.pop('enabled')
    state = module.params.pop('state')

    try:
        cloud = shade.operator_cloud(**module.params)

        domain = cloud.get_identity_domain(name=name)

        if state == 'present':
            if domain is None:
                domain = cloud.create_domain(
                    name=name, description=description, enabled=enabled)
                changed = True
            else:
                if (domain.name != name or domain.description != description
                        or domain.enabled != enabled):
                    cloud.update_domain(
                        domain.id, name=name, description=description,
                        enabled=enabled)
                    changed = True
                else:
                    changed = False
            module.exit_json(changed=changed, domain=domain)
        elif state == 'absent':
            if domain is None:
                changed=False
            else:
                cloud.delete_domain(domain.id)
                changed=True
            module.exit_json(changed=changed)

    except shade.OpenStackCloudException as e:
        module.fail_json(msg=e.message, extra_data=e.extra_data)

from ansible.module_utils.basic import *
from ansible.module_utils.openstack import *


if __name__ == '__main__':
    main()