#!/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_route_facts
description:
  - Gather facts for GCP Route
short_description: Gather facts for GCP Route
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 route facts
  gcp_compute_route_facts:
      filters:
      - name = test_object
      project: test_project
      auth_kind: service_account
      service_account_file: "/tmp/auth.pem"
'''

RETURN = '''
items:
    description: List of items
    returned: always
    type: complex
    contains:
        dest_range:
            description:
                - The destination range of outgoing packets that this route applies to.
                - Only IPv4 is supported.
            returned: success
            type: str
        description:
            description:
                - An optional description of this resource. Provide this property when you create
                  the resource.
            returned: success
            type: str
        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
        network:
            description:
                - The network that this route applies to.
            returned: success
            type: dict
        priority:
            description:
                - The priority of this route. Priority is used to break ties in cases where there
                  is more than one matching route of equal prefix length.
                - In the case of two routes with equal prefix length, the one with the lowest-numbered
                  priority value wins.
                - Default value is 1000. Valid range is 0 through 65535.
            returned: success
            type: int
        tags:
            description:
                - A list of instance tags to which this route applies.
            returned: success
            type: list
        next_hop_gateway:
            description:
                - URL to a gateway that should handle matching packets.
                - 'Currently, you can only specify the internet gateway, using a full or partial valid
                  URL:  * U(https://www.googleapis.com/compute/v1/projects/project/global/gateways/default-internet-gateway)
                  * projects/project/global/gateways/default-internet-gateway * global/gateways/default-internet-gateway
                  .'
            returned: success
            type: str
        next_hop_instance:
            description:
                - URL to an instance that should handle matching packets.
                - 'You can specify this as a full or partial URL. For example:  * U(https://www.googleapis.com/compute/v1/projects/project/zones/zone/)
                  instances/instance * projects/project/zones/zone/instances/instance * zones/zone/instances/instance
                  .'
            returned: success
            type: str
        next_hop_ip:
            description:
                - Network IP address of an instance that should handle matching packets.
            returned: success
            type: str
        next_hop_vpn_tunnel:
            description:
                - URL to a VpnTunnel that should handle matching packets.
            returned: success
            type: str
        next_hop_network:
            description:
                - URL to a Network that should handle matching packets.
            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 'scopes' not in module.params:
        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/routes".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()
