#!/usr/bin/python
# -*- coding: utf-8 -*-

# Copyright: (c) 2019, Kevin Breit (@kbreit) <kevin.breit@kevinbreit.net>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function

__metaclass__ = type

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

DOCUMENTATION = r"""
---
module: meraki_webhook
short_description: Manage webhooks configured in the Meraki cloud
description:
- Configure and query information about webhooks within the Meraki cloud.
notes:
- Some of the options are likely only used for developers within Meraki.
options:
    state:
      description:
      - Specifies whether object should be queried, created/modified, or removed.
      choices: [absent, present, query]
      default: query
      type: str
    net_name:
      description:
      - Name of network which configuration is applied to.
      aliases: [network]
      type: str
    net_id:
      description:
      - ID of network which configuration is applied to.
      type: str
    name:
      description:
      - Name of webhook.
      type: str
    shared_secret:
      description:
      - Secret password to use when accessing webhook.
      type: str
    url:
      description:
      - URL to access when calling webhook.
      type: str
    webhook_id:
      description:
      - Unique ID of webhook.
      type: str
    payload_template_name:
      description:
      - The name of the payload template
      type: str
    payload_template_id:
      description:
      - The ID of the payload template. Overrides payload_template_name if passed too.
      type: str
    test:
      description:
      - Indicates whether to test or query status.
      type: str
      choices: [test]
    test_id:
      description:
      - ID of webhook test query.
      type: str
author:
- Kevin Breit (@kbreit)
extends_documentation_fragment: cisco.meraki.meraki
"""

EXAMPLES = r"""
- name: Create webhook
  meraki_webhook:
    auth_key: abc123
    state: present
    org_name: YourOrg
    net_name: YourNet
    name: Test_Hook
    url: https://webhook.url/
    shared_secret: shhhdonttellanyone
    payload_template_name: 'Slack (included)'
  delegate_to: localhost

- name: Query one webhook
  meraki_webhook:
    auth_key: abc123
    state: query
    org_name: YourOrg
    net_name: YourNet
    name: Test_Hook
  delegate_to: localhost

- name: Query all webhooks
  meraki_webhook:
    auth_key: abc123
    state: query
    org_name: YourOrg
    net_name: YourNet
  delegate_to: localhost

- name: Delete webhook
  meraki_webhook:
    auth_key: abc123
    state: absent
    org_name: YourOrg
    net_name: YourNet
    name: Test_Hook
  delegate_to: localhost

- name: Test webhook
  meraki_webhook:
    auth_key: abc123
    state: present
    org_name: YourOrg
    net_name: YourNet
    test: test
    url: https://webhook.url/abc123
  delegate_to: localhost

- name: Get webhook status
  meraki_webhook:
    auth_key: abc123
    state: present
    org_name: YourOrg
    net_name: YourNet
    test: status
    test_id: abc123531234
  delegate_to: localhost
"""

RETURN = r"""
data:
    description: List of administrators.
    returned: success
    type: complex
    contains:
        id:
          description: Unique ID of webhook.
          returned: success
          type: str
          sample: aHR0cHM6Ly93ZWJob22LnvpdGUvOGViNWI3NmYtYjE2Ny00Y2I4LTlmYzQtND32Mj3F5NzIaMjQ0
        name:
          description: Descriptive name of webhook.
          returned: success
          type: str
          sample: Test_Hook
        networkId:
          description: ID of network containing webhook object.
          returned: success
          type: str
          sample: N_12345
        shared_secret:
          description: Password for webhook.
          returned: success
          type: str
          sample: VALUE_SPECIFIED_IN_NO_LOG_PARAMETER
        url:
          description: URL of webhook endpoint.
          returned: success
          type: str
          sample: https://webhook.url/abc123
        status:
          description: Status of webhook test.
          returned: success, when testing webhook
          type: str
          sample: enqueued
        payloadTemplate:
          description: The payload template used when posting data to the HTTP server.
          returned: success
          type: str
          sample:
            payloadTemplateId: wpt_00001
            name: Meraki (included)
"""

from ansible.module_utils.basic import AnsibleModule, json
from ansible_collections.cisco.meraki.plugins.module_utils.network.meraki.meraki import (
    MerakiModule,
    meraki_argument_spec,
)


def get_webhook_id(name, webhooks):
    for webhook in webhooks:
        if name == webhook["name"]:
            return webhook["id"]
    return None


def get_all_webhooks(meraki, net_id):
    path = meraki.construct_path("get_all", net_id=net_id)
    response = meraki.request(path, method="GET")
    if meraki.status == 200:
        return response


def sanitize_no_log_values(meraki):
    try:
        meraki.result["diff"]["before"][
            "shared_secret"
        ] = "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
    except KeyError:
        pass
    try:
        for i in meraki.result['data']:
            i[
                "shared_secret"
            ] = "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
    except (KeyError, TypeError):
        pass
    try:
        meraki.result["data"]["shared_secret"] = "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
    except (KeyError, TypeError):
        pass


def get_webhook_payload_templates(meraki, net_id):
    path = meraki.construct_path("get_payload_templates", net_id=net_id)
    response = meraki.request(path, "GET")
    if meraki.status != 200:
        meraki.fail_json(msg="Unable to get webhook payload templates")
    return response


def get_webhook_payload_template_id(meraki, templates, name):
    for template in templates:
        if template["name"] == name:
            return template["payloadTemplateId"]
    meraki.fail_json(msg="No payload template found with the name {0}".format(name))


def main():
    # define the available arguments/parameters that a user can pass to
    # the module

    argument_spec = meraki_argument_spec()
    argument_spec.update(
        state=dict(type="str", choices=["absent", "present", "query"], default="query"),
        net_name=dict(type="str", aliases=["network"]),
        net_id=dict(type="str"),
        name=dict(type="str"),
        url=dict(type="str"),
        shared_secret=dict(type="str", no_log=True),
        webhook_id=dict(type="str"),
        test=dict(type="str", choices=["test"]),
        test_id=dict(type="str"),
        payload_template_name=dict(type="str"),
        payload_template_id=dict(type="str"),
    )

    # the AnsibleModule object will be our abstraction working with Ansible
    # this includes instantiation, a couple of common attr would be the
    # args/params passed to the execution, as well as if the module
    # supports check mode
    module = AnsibleModule(
        argument_spec=argument_spec,
        supports_check_mode=True,
    )
    meraki = MerakiModule(module, function="webhooks")

    meraki.params["follow_redirects"] = "all"

    query_url = {"webhooks": "/networks/{net_id}/webhooks/httpServers"}
    query_one_url = {"webhooks": "/networks/{net_id}/webhooks/httpServers/{hookid}"}
    create_url = {"webhooks": "/networks/{net_id}/webhooks/httpServers"}
    update_url = {"webhooks": "/networks/{net_id}/webhooks/httpServers/{hookid}"}
    delete_url = {"webhooks": "/networks/{net_id}/webhooks/httpServers/{hookid}"}
    test_url = {"webhooks": "/networks/{net_id}/webhooks/webhookTests"}
    test_status_url = {"webhooks": "/networks/{net_id}/webhooks/webhookTests/{testid}"}
    query_payload_templates = {
        "webhooks": "/networks/{net_id}/webhooks/payloadTemplates"
    }
    meraki.url_catalog["get_all"].update(query_url)
    meraki.url_catalog["get_one"].update(query_one_url)
    meraki.url_catalog["create"] = create_url
    meraki.url_catalog["update"] = update_url
    meraki.url_catalog["delete"] = delete_url
    meraki.url_catalog["test"] = test_url
    meraki.url_catalog["test_status"] = test_status_url
    meraki.url_catalog["get_payload_templates"] = query_payload_templates

    org_id = meraki.params["org_id"]
    if org_id is None:
        org_id = meraki.get_org_id(meraki.params["org_name"])

    net_id = meraki.params["net_id"]
    if net_id is None:
        nets = meraki.get_nets(org_id=org_id)
        net_id = meraki.get_net_id(net_name=meraki.params["net_name"], data=nets)

    templates = get_webhook_payload_templates(meraki, net_id)
    payload_template_id = meraki.params["payload_template_id"]
    if (
        payload_template_id is None
        and meraki.params["payload_template_name"] is not None
    ):
        payload_template_id = get_webhook_payload_template_id(
            meraki, templates, name=meraki.params["payload_template_name"]
        )

    webhook_id = meraki.params["webhook_id"]
    webhooks = None
    if webhook_id is None and meraki.params["name"]:
        webhooks = get_all_webhooks(meraki, net_id)
        webhook_id = get_webhook_id(meraki.params["name"], webhooks)

    if meraki.params["state"] == "present" and meraki.params["test"] is None:
        payload = {
            "name": meraki.params["name"],
            "url": meraki.params["url"],
        }
        if meraki.params["shared_secret"] is not None:
            payload["sharedSecret"] = meraki.params["shared_secret"]
        if payload_template_id is not None:
            payload["payloadTemplate"] = {"payloadTemplateId": payload_template_id}

    if meraki.params["state"] == "query":
        if webhook_id is not None:  # Query a single webhook
            path = meraki.construct_path(
                "get_one", net_id=net_id, custom={"hookid": webhook_id}
            )
            response = meraki.request(path, method="GET")
            if meraki.status == 200:
                meraki.result["data"] = response
                sanitize_no_log_values(meraki)
                meraki.exit_json(**meraki.result)
        elif meraki.params["test_id"] is not None:
            path = meraki.construct_path(
                "test_status",
                net_id=net_id,
                custom={"testid": meraki.params["test_id"]},
            )
            response = meraki.request(path, method="GET")
            if meraki.status == 200:
                meraki.result["data"] = response
                sanitize_no_log_values(meraki)
                meraki.exit_json(**meraki.result)
        else:
            path = meraki.construct_path("get_all", net_id=net_id)
            response = meraki.request(path, method="GET")
            if meraki.status == 200:
                meraki.result["data"] = response
                # meraki.fail_json(msg=meraki.result)
                sanitize_no_log_values(meraki)
                meraki.exit_json(**meraki.result)
    elif meraki.params["state"] == "present":
        if meraki.params["test"] == "test":
            payload = {"url": meraki.params["url"]}
            path = meraki.construct_path("test", net_id=net_id)
            response = meraki.request(path, method="POST", payload=json.dumps(payload))
            if meraki.status == 201:
                meraki.result["data"] = response
                meraki.exit_json(**meraki.result)
        if webhook_id is None:  # New webhook needs to be created
            if meraki.check_mode is True:
                meraki.result["data"] = payload
                meraki.result["data"]["networkId"] = net_id
                meraki.result["changed"] = True
                meraki.exit_json(**meraki.result)
            path = meraki.construct_path("create", net_id=net_id)
            response = meraki.request(path, method="POST", payload=json.dumps(payload))
            if meraki.status == 201:
                meraki.result["data"] = response
                meraki.result["changed"] = True
        else:  # Need to update
            path = meraki.construct_path(
                "get_one", net_id=net_id, custom={"hookid": webhook_id}
            )
            original = meraki.request(path, method="GET")
            if meraki.is_update_required(original, payload):
                if meraki.check_mode is True:
                    meraki.generate_diff(original, payload)
                    sanitize_no_log_values(meraki)
                    original.update(payload)
                    meraki.result["data"] = original
                    meraki.result["changed"] = True
                    meraki.exit_json(**meraki.result)
                path = meraki.construct_path(
                    "update", net_id=net_id, custom={"hookid": webhook_id}
                )
                response = meraki.request(
                    path, method="PUT", payload=json.dumps(payload)
                )
                if meraki.status == 200:
                    # Not all fields are included so it needs to be checked to avoid comparing same thing
                    if meraki.is_update_required(original, response):
                        meraki.generate_diff(original, response)
                    sanitize_no_log_values(meraki)
                    meraki.result["data"] = response
                    meraki.result["changed"] = True
            else:
                meraki.result["data"] = original
    elif meraki.params["state"] == "absent":
        if webhook_id is None:  # Make sure it is downloaded
            if webhooks is None:
                webhooks = get_all_webhooks(meraki, net_id)
            webhook_id = get_webhook_id(meraki.params["name"], webhooks)
            if webhook_id is None:
                meraki.fail_json(
                    msg="There is no webhook with the name {0}".format(
                        meraki.params["name"]
                    )
                )
        if webhook_id:  # Test to see if it exists
            if meraki.module.check_mode is True:
                meraki.result["data"] = None
                meraki.result["changed"] = True
                meraki.exit_json(**meraki.result)
            path = meraki.construct_path(
                "delete", net_id=net_id, custom={"hookid": webhook_id}
            )
            response = meraki.request(path, method="DELETE")
            if meraki.status == 204:
                meraki.result["data"] = response
                meraki.result["changed"] = True

    # in the event of a successful module execution, you will want to
    # simple AnsibleModule.exit_json(), passing the key/value results
    meraki.exit_json(**meraki.result)


if __name__ == "__main__":
    main()