#!/usr/bin/python
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
#

from __future__ import absolute_import, division, print_function

__metaclass__ = type


ANSIBLE_METADATA = {
    "metadata_version": "1.1",
    "status": ["deprecated"],
    "supported_by": "network",
}


DOCUMENTATION = """module: checkpoint_host
short_description: Manages host objects on Check Point over Web Services API
description:
- Manages host objects on Check Point devices including creating, updating, removing
  access rules objects. All operations are performed over Web Services API.
author: Ansible by Red Hat (@rcarrillocruz)
options:
  name:
    description:
    - Name of the access rule.
    type: str
    required: true
  ip_address:
    description:
    - IP address of the host object.
    type: str
  state:
    description:
    - State of the access rule (present or absent). Defaults to present.
    type: str
    default: present
  auto_publish_session:
    description:
    - Publish the current session if changes have been performed after task completes.
    type: bool
    default: 'yes'
  auto_install_policy:
    description:
    - Install the package policy if changes have been performed after the task completes.
    type: bool
    default: 'yes'
  policy_package:
    description:
    - Package policy name to be installed.
    type: str
    default: standard
  targets:
    description:
    - Targets to install the package policy on.
    type: list
"""

EXAMPLES = """
- name: Create host object
  checkpoint_host:
    name: attacker
    ip_address: 192.168.0.15

- name: Delete host object
  checkpoint_host:
    name: attacker
    state: absent
"""

RETURN = """
checkpoint_hosts:
  description: The checkpoint host object created or updated.
  returned: always, except when deleting the host.
  type: list
"""


from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.connection import Connection
from ansible_collections.check_point.mgmt.plugins.module_utils.checkpoint import (
    checkpoint_argument_spec,
    publish,
    install_policy,
)


def get_host(module, connection):
    name = module.params["name"]

    payload = {"name": name}

    code, response = connection.send_request("/web_api/show-host", payload)

    return code, response


def create_host(module, connection):
    name = module.params["name"]
    ip_address = module.params["ip_address"]

    payload = {"name": name, "ip-address": ip_address}

    code, response = connection.send_request("/web_api/add-host", payload)

    return code, response


def update_host(module, connection):
    name = module.params["name"]
    ip_address = module.params["ip_address"]

    payload = {"name": name, "ip-address": ip_address}

    code, response = connection.send_request("/web_api/set-host", payload)

    return code, response


def delete_host(module, connection):
    name = module.params["name"]

    payload = {"name": name}

    code, response = connection.send_request("/web_api/delete-host", payload)

    return code, response


def needs_update(module, host):
    res = False

    if module.params["ip_address"] != host["ipv4-address"]:
        res = True

    return res


def main():
    argument_spec = dict(
        name=dict(type="str", required=True),
        ip_address=dict(type="str"),
        state=dict(type="str", default="present"),
    )
    argument_spec.update(checkpoint_argument_spec)

    module = AnsibleModule(argument_spec=argument_spec)
    connection = Connection(module._socket_path)
    code, response = get_host(module, connection)
    result = {"changed": False}

    if module.params["state"] == "present":
        if code == 200:
            if needs_update(module, response):
                code, response = update_host(module, connection)
                if code != 200:
                    module.fail_json(msg=response)
                if module.params["auto_publish_session"]:
                    publish(connection)

                    if module.params["auto_install_policy"]:
                        install_policy(
                            connection,
                            module.params["policy_package"],
                            module.params["targets"],
                        )

                result["changed"] = True
                result["checkpoint_hosts"] = response
            else:
                pass
        elif code == 404:
            code, response = create_host(module, connection)
            if code != 200:
                module.fail_json(msg=response)
            if module.params["auto_publish_session"]:
                publish(connection)

                if module.params["auto_install_policy"]:
                    install_policy(
                        connection,
                        module.params["policy_package"],
                        module.params["targets"],
                    )

            result["changed"] = True
            result["checkpoint_hosts"] = response
    else:
        if code == 200:
            # Handle deletion
            code, response = delete_host(module, connection)
            if code != 200:
                module.fail_json(msg=response)
            if module.params["auto_publish_session"]:
                publish(connection)

                if module.params["auto_install_policy"]:
                    install_policy(
                        connection,
                        module.params["policy_package"],
                        module.params["targets"],
                    )

            result["changed"] = True
            result["checkpoint_hosts"] = response
        elif code == 404:
            pass

    result["checkpoint_session_uid"] = connection.get_session_uid()
    module.exit_json(**result)


if __name__ == "__main__":
    main()