#!/usr/bin/python
#
# Author: Artūras 'arturaz' Šlajus <x11@arturaz.net>
# Author: Naoya Nakazawa <naoya.n@gmail.com>
#
# This module is proudly sponsored by iGeolise (www.igeolise.com) and
# Tiny Lab Productions (www.tinylabproductions.com).
# Copyright (c) Ansible project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

from __future__ import annotations


DOCUMENTATION = r"""
module: datadog_event
short_description: Posts events to Datadog service
description:
  - Allows to post events to Datadog (www.datadoghq.com) service.
  - Uses http://docs.datadoghq.com/api/#events API.
author:
  - "Artūras 'arturaz' Šlajus (@arturaz)"
  - "Naoya Nakazawa (@n0ts)"
extends_documentation_fragment:
  - community.general.attributes
attributes:
  check_mode:
    support: none
  diff_mode:
    support: none
options:
  api_key:
    type: str
    description:
      - Your DataDog API key.
    required: true
  app_key:
    type: str
    description:
      - Your DataDog app key.
    required: true
  title:
    type: str
    description:
      - The event title.
    required: true
  text:
    type: str
    description:
      - The body of the event.
    required: true
  date_happened:
    type: int
    description:
      - POSIX timestamp of the event.
      - Default value is now.
  priority:
    type: str
    description:
      - The priority of the event.
    default: normal
    choices: [normal, low]
  host:
    type: str
    description:
      - Host name to associate with the event.
      - If not specified, it defaults to the remote system's hostname.
  api_host:
    type: str
    description:
      - DataDog API endpoint URL.
    version_added: '3.3.0'
  tags:
    type: list
    elements: str
    description:
      - Comma separated list of tags to apply to the event.
  alert_type:
    type: str
    description:
      - Type of alert.
    default: info
    choices: ['error', 'warning', 'info', 'success']
  aggregation_key:
    type: str
    description:
      - An arbitrary string to use for aggregation.
  validate_certs:
    description:
      - If V(false), SSL certificates are not validated. This should only be used on personally controlled sites using self-signed
        certificates.
    type: bool
    default: true
"""

EXAMPLES = r"""
- name: Post an event with low priority
  community.general.datadog_event:
    title: Testing from ansible
    text: Test
    priority: low
    api_key: 9775a026f1ca7d1c6c5af9d94d9595a4
    app_key: j4JyCYfefWHhgFgiZUqRm63AXHNZQyPGBfJtAzmN

- name: Post an event with several tags
  community.general.datadog_event:
    title: Testing from ansible
    text: Test
    api_key: 9775a026f1ca7d1c6c5af9d94d9595a4
    app_key: j4JyCYfefWHhgFgiZUqRm63AXHNZQyPGBfJtAzmN
    tags: 'aa,bb,#host:{{ inventory_hostname }}'

- name: Post an event with several tags to another endpoint
  community.general.datadog_event:
    title: Testing from ansible
    text: Test
    api_key: 9775a026f1ca7d1c6c5af9d94d9595a4
    app_key: j4JyCYfefWHhgFgiZUqRm63AXHNZQyPGBfJtAzmN
    api_host: 'https://example.datadoghq.eu'
    tags:
      - aa
      - b
      - '#host:{{ inventory_hostname }}'
"""

import platform
import traceback

# Import Datadog
DATADOG_IMP_ERR = None
try:
    from datadog import initialize, api

    HAS_DATADOG = True
except Exception:
    DATADOG_IMP_ERR = traceback.format_exc()
    HAS_DATADOG = False

from ansible.module_utils.basic import AnsibleModule, missing_required_lib


def main():
    module = AnsibleModule(
        argument_spec=dict(
            api_key=dict(required=True, no_log=True),
            app_key=dict(required=True, no_log=True),
            api_host=dict(type="str"),
            title=dict(required=True),
            text=dict(required=True),
            date_happened=dict(type="int"),
            priority=dict(default="normal", choices=["normal", "low"]),
            host=dict(),
            tags=dict(type="list", elements="str"),
            alert_type=dict(default="info", choices=["error", "warning", "info", "success"]),
            aggregation_key=dict(no_log=False),
            validate_certs=dict(default=True, type="bool"),
        )
    )

    # Prepare Datadog
    if not HAS_DATADOG:
        module.fail_json(msg=missing_required_lib("datadogpy"), exception=DATADOG_IMP_ERR)

    options = {
        "api_key": module.params["api_key"],
        "app_key": module.params["app_key"],
    }
    if module.params["api_host"] is not None:
        options["api_host"] = module.params["api_host"]

    initialize(**options)

    _post_event(module)


def _post_event(module):
    try:
        if module.params["host"] is None:
            module.params["host"] = platform.node().split(".")[0]
        msg = api.Event.create(
            title=module.params["title"],
            text=module.params["text"],
            host=module.params["host"],
            tags=module.params["tags"],
            priority=module.params["priority"],
            alert_type=module.params["alert_type"],
            aggregation_key=module.params["aggregation_key"],
            source_type_name="ansible",
        )
        if msg["status"] != "ok":
            module.fail_json(msg=msg)

        module.exit_json(changed=True, msg=msg)
    except Exception as e:
        module.fail_json(msg=f"{e}", exception=traceback.format_exc())


if __name__ == "__main__":
    main()