#!/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    ***    Type: MMv1     ***
#
# ----------------------------------------------------------------------------
#
#     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_backend_bucket_info
description:
- Gather info for GCP BackendBucket
short_description: Gather info for GCP BackendBucket
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) .
    type: list
    elements: str
  project:
    description:
    - The Google Cloud Platform project to use.
    type: str
  auth_kind:
    description:
    - The type of credential used.
    type: str
    required: true
    choices:
    - application
    - machineaccount
    - serviceaccount
  service_account_contents:
    description:
    - The contents of a Service Account JSON file, either in a dictionary or as a
      JSON string that represents it.
    type: jsonarg
  service_account_file:
    description:
    - The path of a Service Account JSON file if serviceaccount is selected as type.
    type: path
  service_account_email:
    description:
    - An optional service account email address if machineaccount is selected and
      the user does not wish to use the default email.
    type: str
  scopes:
    description:
    - Array of scopes to be used
    type: list
    elements: str
  env_type:
    description:
    - Specifies which Ansible environment you're running this module within.
    - This should not be set unless you know what you're doing.
    - This only alters the User Agent string for any API requests.
    type: str
notes:
- for authentication, you can set service_account_file using the C(GCP_SERVICE_ACCOUNT_FILE)
  env variable.
- for authentication, you can set service_account_contents using the C(GCP_SERVICE_ACCOUNT_CONTENTS)
  env variable.
- For authentication, you can set service_account_email using the C(GCP_SERVICE_ACCOUNT_EMAIL)
  env variable.
- For authentication, you can set auth_kind using the C(GCP_AUTH_KIND) env variable.
- For authentication, you can set scopes using the C(GCP_SCOPES) env variable.
- Environment variables values will only be used if the playbook values are not set.
- The I(service_account_email) and I(service_account_file) options are mutually exclusive.
'''

EXAMPLES = '''
- name: get info on a backend bucket
  gcp_compute_backend_bucket_info:
    filters:
    - name = test_object
    project: test_project
    auth_kind: serviceaccount
    service_account_file: "/tmp/auth.pem"
'''

RETURN = '''
resources:
  description: List of resources
  returned: always
  type: complex
  contains:
    bucketName:
      description:
      - Cloud Storage bucket name.
      returned: success
      type: str
    cdnPolicy:
      description:
      - Cloud CDN configuration for this Backend Bucket.
      returned: success
      type: complex
      contains:
        signedUrlCacheMaxAgeSec:
          description:
          - Maximum number of seconds the response to a signed URL request will be
            considered fresh. After this time period, the response will be revalidated
            before being served.
          - 'When serving responses to signed URL requests, Cloud CDN will internally
            behave as though all responses from this backend had a "Cache-Control:
            public, max-age=[TTL]" header, regardless of any existing Cache-Control
            header. The actual headers served in responses will not be altered.'
          returned: success
          type: int
        defaultTtl:
          description:
          - Specifies the default TTL for cached content served by this origin for
            responses that do not have an existing valid TTL (max-age or s-max-age).
          returned: success
          type: int
        maxTtl:
          description:
          - Specifies the maximum allowed TTL for cached content served by this origin.
          returned: success
          type: int
        clientTtl:
          description:
          - Specifies the maximum allowed TTL for cached content served by this origin.
          returned: success
          type: int
        negativeCaching:
          description:
          - Negative caching allows per-status code TTLs to be set, in order to apply
            fine-grained caching for common errors or redirects.
          returned: success
          type: bool
        negativeCachingPolicy:
          description:
          - Sets a cache TTL for the specified HTTP status code. negativeCaching must
            be enabled to configure negativeCachingPolicy.
          - Omitting the policy and leaving negativeCaching enabled will use Cloud
            CDN's default cache TTLs.
          returned: success
          type: complex
          contains:
            code:
              description:
              - The HTTP status code to define a TTL against. Only HTTP status codes
                300, 301, 308, 404, 405, 410, 421, 451 and 501 can be specified as
                values, and you cannot specify a status code more than once.
              returned: success
              type: int
            ttl:
              description:
              - The TTL (in seconds) for which to cache responses with the corresponding
                status code. The maximum allowed value is 1800s (30 minutes), noting
                that infrequently accessed objects may be evicted from the cache before
                the defined TTL.
              returned: success
              type: int
        cacheMode:
          description:
          - Specifies the cache setting for all responses from this backend.
          - 'The possible values are: USE_ORIGIN_HEADERS, FORCE_CACHE_ALL and CACHE_ALL_STATIC
            .'
          returned: success
          type: str
        serveWhileStale:
          description:
          - Serve existing content from the cache (if available) when revalidating
            content with the origin, or when an error is encountered when refreshing
            the cache.
          returned: success
          type: int
    customResponseHeaders:
      description:
      - Headers that the HTTP/S load balancer should add to proxied responses.
      returned: success
      type: list
    creationTimestamp:
      description:
      - Creation timestamp in RFC3339 text format.
      returned: success
      type: str
    description:
      description:
      - An optional textual description of the resource; provided by the client when
        the resource is created.
      returned: success
      type: str
    enableCdn:
      description:
      - If true, enable Cloud CDN for this BackendBucket.
      returned: success
      type: bool
    id:
      description:
      - Unique identifier for the resource.
      returned: success
      type: int
    name:
      description:
      - Name of the resource. Provided by the client when the resource is created.
        The name must be 1-63 characters long, and comply with RFC1035. Specifically,
        the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?`
        which means the first character must be a lowercase letter, and all following
        characters must be a dash, lowercase letter, or digit, except the last character,
        which cannot be a dash.
      returned: success
      type: str
'''

################################################################################
# Imports
################################################################################
from ansible_collections.google.cloud.plugins.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')))

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

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


def collection(module):
    return "https://compute.googleapis.com/compute/v1/projects/{project}/global/backendBuckets".format(**module.params)


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


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()