#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2018, Ansible Project
# Copyright: (c) 2018, Anthony Bond <ajbond2005@gmail.com>
# 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


DOCUMENTATION = r"""
---
module: digital_ocean_firewall_info
short_description: Gather information about DigitalOcean firewalls
description:
    - This module can be used to gather information about DigitalOcean firewalls.
    - This module was called C(digital_ocean_firewall_facts) before Ansible 2.9. The usage did not change.
author: "Anthony Bond (@BondAnthony)"
options:
  name:
    description:
     - Firewall rule name that can be used to identify and reference a specific firewall rule.
    required: false
    type: str
requirements:
  - "python >= 2.6"
extends_documentation_fragment:
- community.digitalocean.digital_ocean.documentation

"""


EXAMPLES = r"""
- name: Gather information about all firewalls
  community.digitalocean.digital_ocean_firewall_info:
    oauth_token: "{{ oauth_token }}"

- name: Gather information about a specific firewall by name
  community.digitalocean.digital_ocean_firewall_info:
    oauth_token: "{{ oauth_token }}"
    name: "firewall_name"

- name: Gather information from a firewall rule
  community.digitalocean.digital_ocean_firewall_info:
    name: SSH
  register: resp_out

- set_fact:
    firewall_id: "{{ resp_out.data.id }}"

- debug:
    msg: "{{ firewall_id }}"
"""


RETURN = r"""
data:
    description: DigitalOcean firewall information
    returned: success
    type: list
    elements: dict
    sample: [
        {
            "id": "435tbg678-1db53-32b6-t543-28322569t252",
            "name": "metrics",
            "status": "succeeded",
            "inbound_rules": [
                {
                    "protocol": "tcp",
                    "ports": "9100",
                    "sources": {
                        "addresses": [
                            "1.1.1.1"
                        ]
                    }
                }
            ],
            "outbound_rules": [],
            "created_at": "2018-01-15T07:04:25Z",
            "droplet_ids": [
                87426985
            ],
            "tags": [],
            "pending_changes": []
        },
    ]
"""

from traceback import format_exc
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.community.digitalocean.plugins.module_utils.digital_ocean import (
    DigitalOceanHelper,
)
from ansible.module_utils._text import to_native


def core(module):
    firewall_name = module.params.get("name", None)
    rest = DigitalOceanHelper(module)
    base_url = "firewalls?"

    response = rest.get("%s" % base_url)
    status_code = response.status_code
    if status_code != 200:
        module.fail_json(msg="Failed to retrieve firewalls from Digital Ocean")
    firewalls = rest.get_paginated_data(base_url=base_url, data_key_name="firewalls")

    if firewall_name is not None:
        rule = {}
        for firewall in firewalls:
            if firewall["name"] == firewall_name:
                rule.update(firewall)
        firewalls = [rule]
        module.exit_json(changed=False, data=firewalls)
    else:
        module.exit_json(changed=False, data=firewalls)


def main():
    argument_spec = DigitalOceanHelper.digital_ocean_argument_spec()
    argument_spec.update(
        name=dict(type="str", required=False),
    )
    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
    if module._name in (
        "digital_ocean_firewall_facts",
        "community.digitalocean.digital_ocean_firewall_facts",
    ):
        module.deprecate(
            "The 'digital_ocean_firewall_facts' module has been renamed to 'digital_ocean_firewall_info'",
            version="2.0.0",
            collection_name="community.digitalocean",
        )  # was Ansible 2.13

    try:
        core(module)
    except Exception as e:
        module.fail_json(msg=to_native(e), exception=format_exc())


if __name__ == "__main__":
    main()