#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017 Google
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# ----------------------------------------------------------------------------
#
#     ***     AUTO GENERATED CODE    ***    AUTO GENERATED CODE     ***
#
# ----------------------------------------------------------------------------
#
#     This file is automatically generated by Magic Modules and manual
#     changes will be clobbered when the file is regenerated.
#
#     Please read more about how to change this file at
#     https://www.github.com/GoogleCloudPlatform/magic-modules
#
# ----------------------------------------------------------------------------

from __future__ import absolute_import, division, print_function

__metaclass__ = type

################################################################################
# Documentation
################################################################################

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

DOCUMENTATION = '''
---
module: gcp_compute_instance_group_manager_facts
description:
- Gather facts for GCP InstanceGroupManager
short_description: Gather facts for GCP InstanceGroupManager
version_added: 2.7
author: Google Inc. (@googlecloudplatform)
requirements:
- python >= 2.6
- requests >= 2.18.4
- google-auth >= 1.3.0
options:
  filters:
    description:
    - A list of filter value pairs. Available filters are listed here U(https://cloud.google.com/sdk/gcloud/reference/topic/filters.)
    - Each additional filter in the list will act be added as an AND condition (filter1
      and filter2) .
  zone:
    description:
    - The zone the managed instance group resides.
    required: true
extends_documentation_fragment: gcp
'''

EXAMPLES = '''
- name: " a instance group manager facts"
  gcp_compute_instance_group_manager_facts:
    zone: us-west1-a
    filters:
    - name = test_object
    project: test_project
    auth_kind: serviceaccount
    service_account_file: "/tmp/auth.pem"
    state: facts
'''

RETURN = '''
items:
  description: List of items
  returned: always
  type: complex
  contains:
    baseInstanceName:
      description:
      - The base instance name to use for instances in this group. The value must
        be 1-58 characters long. Instances are named by appending a hyphen and a random
        four-character string to the base instance name.
      - The base instance name must comply with RFC1035.
      returned: success
      type: str
    creationTimestamp:
      description:
      - The creation timestamp for this managed instance group in RFC3339 text format.
      returned: success
      type: str
    currentActions:
      description:
      - The list of instance actions and the number of instances in this managed instance
        group that are scheduled for each of those actions.
      returned: success
      type: complex
      contains:
        abandoning:
          description:
          - The total number of instances in the managed instance group that are scheduled
            to be abandoned. Abandoning an instance removes it from the managed instance
            group without deleting it.
          returned: success
          type: int
        creating:
          description:
          - The number of instances in the managed instance group that are scheduled
            to be created or are currently being created. If the group fails to create
            any of these instances, it tries again until it creates the instance successfully.
          - If you have disabled creation retries, this field will not be populated;
            instead, the creatingWithoutRetries field will be populated.
          returned: success
          type: int
        creatingWithoutRetries:
          description:
          - The number of instances that the managed instance group will attempt to
            create. The group attempts to create each instance only once. If the group
            fails to create any of these instances, it decreases the group's targetSize
            value accordingly.
          returned: success
          type: int
        deleting:
          description:
          - The number of instances in the managed instance group that are scheduled
            to be deleted or are currently being deleted.
          returned: success
          type: int
        none:
          description:
          - The number of instances in the managed instance group that are running
            and have no scheduled actions.
          returned: success
          type: int
        recreating:
          description:
          - The number of instances in the managed instance group that are scheduled
            to be recreated or are currently being being recreated.
          - Recreating an instance deletes the existing root persistent disk and creates
            a new disk from the image that is defined in the instance template.
          returned: success
          type: int
        refreshing:
          description:
          - The number of instances in the managed instance group that are being reconfigured
            with properties that do not require a restart or a recreate action. For
            example, setting or removing target pools for the instance.
          returned: success
          type: int
        restarting:
          description:
          - The number of instances in the managed instance group that are scheduled
            to be restarted or are currently being restarted.
          returned: success
          type: int
    description:
      description:
      - An optional description of this resource. Provide this property when you create
        the resource.
      returned: success
      type: str
    id:
      description:
      - A unique identifier for this resource.
      returned: success
      type: int
    instanceGroup:
      description:
      - The instance group being managed.
      returned: success
      type: dict
    instanceTemplate:
      description:
      - The instance template that is specified for this managed instance group. The
        group uses this template to create all new instances in the managed instance
        group.
      returned: success
      type: dict
    name:
      description:
      - The name of the managed instance group. The name must be 1-63 characters long,
        and comply with RFC1035.
      returned: success
      type: str
    namedPorts:
      description:
      - Named ports configured for the Instance Groups complementary to this Instance
        Group Manager.
      returned: success
      type: complex
      contains:
        name:
          description:
          - The name for this named port. The name must be 1-63 characters long, and
            comply with RFC1035.
          returned: success
          type: str
        port:
          description:
          - The port number, which can be a value between 1 and 65535.
          returned: success
          type: int
    region:
      description:
      - The region this managed instance group resides (for regional resources).
      returned: success
      type: str
    targetPools:
      description:
      - TargetPool resources to which instances in the instanceGroup field are added.
        The target pools automatically apply to all of the instances in the managed
        instance group.
      returned: success
      type: list
    targetSize:
      description:
      - The target number of running instances for this managed instance group. Deleting
        or abandoning instances reduces this number. Resizing the group changes this
        number.
      returned: success
      type: int
    zone:
      description:
      - The zone the managed instance group resides.
      returned: success
      type: str
'''

################################################################################
# Imports
################################################################################
from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest
import json

################################################################################
# Main
################################################################################


def main():
    module = GcpModule(argument_spec=dict(filters=dict(type='list', elements='str'), zone=dict(required=True, type='str')))

    if not module.params['scopes']:
        module.params['scopes'] = ['https://www.googleapis.com/auth/compute']

    items = fetch_list(module, collection(module), query_options(module.params['filters']))
    if items.get('items'):
        items = items.get('items')
    else:
        items = []
    return_value = {'items': items}
    module.exit_json(**return_value)


def collection(module):
    return "https://www.googleapis.com/compute/v1/projects/{project}/zones/{zone}/instanceGroupManagers".format(**module.params)


def fetch_list(module, link, query):
    auth = GcpSession(module, 'compute')
    response = auth.get(link, params={'filter': query})
    return return_if_object(module, response)


def query_options(filters):
    if not filters:
        return ''

    if len(filters) == 1:
        return filters[0]
    else:
        queries = []
        for f in filters:
            # For multiple queries, all queries should have ()
            if f[0] != '(' and f[-1] != ')':
                queries.append("(%s)" % ''.join(f))
            else:
                queries.append(f)

        return ' '.join(queries)


def return_if_object(module, response):
    # If not found, return nothing.
    if response.status_code == 404:
        return None

    # If no content, return nothing.
    if response.status_code == 204:
        return None

    try:
        module.raise_for_status(response)
        result = response.json()
    except getattr(json.decoder, 'JSONDecodeError', ValueError) as inst:
        module.fail_json(msg="Invalid JSON response with error: %s" % inst)

    if navigate_hash(result, ['error', 'errors']):
        module.fail_json(msg=navigate_hash(result, ['error', 'errors']))

    return result


if __name__ == "__main__":
    main()
