#!/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_vpn_tunnel_info
description:
- Gather info for GCP VpnTunnel
short_description: Gather info for GCP VpnTunnel
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
  region:
    description:
    - The region where the tunnel is located.
    required: true
    type: 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 vpn tunnel
  gcp_compute_vpn_tunnel_info:
    region: us-west1
    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:
    id:
      description:
      - The unique identifier for the resource. This identifier is defined by the
        server.
      returned: success
      type: str
    creationTimestamp:
      description:
      - Creation timestamp in RFC3339 text format.
      returned: success
      type: str
    name:
      description:
      - Name of the resource. 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
    description:
      description:
      - An optional description of this resource.
      returned: success
      type: str
    targetVpnGateway:
      description:
      - URL of the Target VPN gateway with which this VPN tunnel is associated.
      returned: success
      type: dict
    vpnGateway:
      description:
      - URL of the VPN gateway with which this VPN tunnel is associated.
      - This must be used if a High Availability VPN gateway resource is created.
      returned: success
      type: dict
    vpnGatewayInterface:
      description:
      - The interface ID of the VPN gateway with which this VPN tunnel is associated.
      returned: success
      type: int
    peerExternalGateway:
      description:
      - URL of the peer side external VPN gateway to which this VPN tunnel is connected.
      returned: success
      type: dict
    peerExternalGatewayInterface:
      description:
      - The interface ID of the external VPN gateway to which this VPN tunnel is connected.
      returned: success
      type: int
    peerGcpGateway:
      description:
      - URL of the peer side HA GCP VPN gateway to which this VPN tunnel is connected.
      - If provided, the VPN tunnel will automatically use the same vpn_gateway_interface
        ID in the peer GCP VPN gateway.
      returned: success
      type: dict
    router:
      description:
      - URL of router resource to be used for dynamic routing.
      returned: success
      type: dict
    peerIp:
      description:
      - IP address of the peer VPN gateway. Only IPv4 is supported.
      returned: success
      type: str
    sharedSecret:
      description:
      - Shared secret used to set the secure session between the Cloud VPN gateway
        and the peer VPN gateway.
      returned: success
      type: str
    sharedSecretHash:
      description:
      - Hash of the shared secret.
      returned: success
      type: str
    ikeVersion:
      description:
      - IKE protocol version to use when establishing the VPN tunnel with peer VPN
        gateway.
      - Acceptable IKE versions are 1 or 2. Default version is 2.
      returned: success
      type: int
    localTrafficSelector:
      description:
      - Local traffic selector to use when establishing the VPN tunnel with peer VPN
        gateway. The value should be a CIDR formatted string, for example `192.168.0.0/16`.
        The ranges should be disjoint.
      - Only IPv4 is supported.
      returned: success
      type: list
    remoteTrafficSelector:
      description:
      - Remote traffic selector to use when establishing the VPN tunnel with peer
        VPN gateway. The value should be a CIDR formatted string, for example `192.168.0.0/16`.
        The ranges should be disjoint.
      - Only IPv4 is supported.
      returned: success
      type: list
    region:
      description:
      - The region where the tunnel is located.
      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'), region=dict(required=True, type='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}/regions/{region}/vpnTunnels".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()
