#!/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_health_check_facts
description:
- Gather facts for GCP HealthCheck
short_description: Gather facts for GCP HealthCheck
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) .
extends_documentation_fragment: gcp
'''

EXAMPLES = '''
- name:  a health check facts
  gcp_compute_health_check_facts:
      filters:
      - name = test_object
      project: test_project
      auth_kind: serviceaccount
      service_account_file: "/tmp/auth.pem"
'''

RETURN = '''
items:
  description: List of items
  returned: always
  type: complex
  contains:
    checkIntervalSec:
      description:
      - How often (in seconds) to send a health check. The default value is 5 seconds.
      returned: success
      type: int
    creationTimestamp:
      description:
      - Creation timestamp in RFC3339 text format.
      returned: success
      type: str
    description:
      description:
      - An optional description of this resource. Provide this property when you create
        the resource.
      returned: success
      type: str
    healthyThreshold:
      description:
      - A so-far unhealthy instance will be marked healthy after this many consecutive
        successes. The default value is 2.
      returned: success
      type: int
    id:
      description:
      - The unique identifier for the resource. This identifier is defined by the
        server.
      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
    timeoutSec:
      description:
      - How long (in seconds) to wait before claiming failure.
      - The default value is 5 seconds. It is invalid for timeoutSec to have greater
        value than checkIntervalSec.
      returned: success
      type: int
    unhealthyThreshold:
      description:
      - A so-far healthy instance will be marked unhealthy after this many consecutive
        failures. The default value is 2.
      returned: success
      type: int
    type:
      description:
      - Specifies the type of the healthCheck, either TCP, SSL, HTTP or HTTPS. If
        not specified, the default is TCP. Exactly one of the protocol-specific health
        check field must be specified, which must match type field.
      returned: success
      type: str
    httpHealthCheck:
      description:
      - A nested object resource.
      returned: success
      type: complex
      contains:
        host:
          description:
          - The value of the host header in the HTTP health check request.
          - If left empty (default value), the public IP on behalf of which this health
            check is performed will be used.
          returned: success
          type: str
        requestPath:
          description:
          - The request path of the HTTP health check request.
          - The default value is /.
          returned: success
          type: str
        response:
          description:
          - The bytes to match against the beginning of the response data. If left
            empty (the default value), any response will indicate health. The response
            data can only be ASCII.
          returned: success
          type: str
        port:
          description:
          - The TCP port number for the HTTP health check request.
          - The default value is 80.
          returned: success
          type: int
        portName:
          description:
          - Port name as defined in InstanceGroup#NamedPort#name. If both port and
            port_name are defined, port takes precedence.
          returned: success
          type: str
        proxyHeader:
          description:
          - Specifies the type of proxy header to append before sending data to the
            backend, either NONE or PROXY_V1. The default is NONE.
          returned: success
          type: str
    httpsHealthCheck:
      description:
      - A nested object resource.
      returned: success
      type: complex
      contains:
        host:
          description:
          - The value of the host header in the HTTPS health check request.
          - If left empty (default value), the public IP on behalf of which this health
            check is performed will be used.
          returned: success
          type: str
        requestPath:
          description:
          - The request path of the HTTPS health check request.
          - The default value is /.
          returned: success
          type: str
        response:
          description:
          - The bytes to match against the beginning of the response data. If left
            empty (the default value), any response will indicate health. The response
            data can only be ASCII.
          returned: success
          type: str
        port:
          description:
          - The TCP port number for the HTTPS health check request.
          - The default value is 443.
          returned: success
          type: int
        portName:
          description:
          - Port name as defined in InstanceGroup#NamedPort#name. If both port and
            port_name are defined, port takes precedence.
          returned: success
          type: str
        proxyHeader:
          description:
          - Specifies the type of proxy header to append before sending data to the
            backend, either NONE or PROXY_V1. The default is NONE.
          returned: success
          type: str
    tcpHealthCheck:
      description:
      - A nested object resource.
      returned: success
      type: complex
      contains:
        request:
          description:
          - The application data to send once the TCP connection has been established
            (default value is empty). If both request and response are empty, the
            connection establishment alone will indicate health. The request data
            can only be ASCII.
          returned: success
          type: str
        response:
          description:
          - The bytes to match against the beginning of the response data. If left
            empty (the default value), any response will indicate health. The response
            data can only be ASCII.
          returned: success
          type: str
        port:
          description:
          - The TCP port number for the TCP health check request.
          - The default value is 443.
          returned: success
          type: int
        portName:
          description:
          - Port name as defined in InstanceGroup#NamedPort#name. If both port and
            port_name are defined, port takes precedence.
          returned: success
          type: str
        proxyHeader:
          description:
          - Specifies the type of proxy header to append before sending data to the
            backend, either NONE or PROXY_V1. The default is NONE.
          returned: success
          type: str
    sslHealthCheck:
      description:
      - A nested object resource.
      returned: success
      type: complex
      contains:
        request:
          description:
          - The application data to send once the SSL connection has been established
            (default value is empty). If both request and response are empty, the
            connection establishment alone will indicate health. The request data
            can only be ASCII.
          returned: success
          type: str
        response:
          description:
          - The bytes to match against the beginning of the response data. If left
            empty (the default value), any response will indicate health. The response
            data can only be ASCII.
          returned: success
          type: str
        port:
          description:
          - The TCP port number for the SSL health check request.
          - The default value is 443.
          returned: success
          type: int
        portName:
          description:
          - Port name as defined in InstanceGroup#NamedPort#name. If both port and
            port_name are defined, port takes precedence.
          returned: success
          type: str
        proxyHeader:
          description:
          - Specifies the type of proxy header to append before sending data to the
            backend, either NONE or PROXY_V1. The default is NONE.
          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')))

    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}/global/healthChecks".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()
