# -*- coding: utf-8 -*-
DOCUMENTATION = '''
module: mt_dhcp_server.py
author:
  - "Valentin Gurmeza"
version_added: "2.4"
short_description: Manage mikrotik dhcp-server endpoints
requirements:
  - mt_api
description:
  - Mikrotik dhcp-server generic module
options:
  hostname:
    description:
      - hotstname of mikrotik router
    required: True
  username:
    description:
      - username used to connect to mikrotik router
    required: True
  password:
    description:
      - password used for authentication to mikrotik router
    required: True
  parameter:
    description:
      - sub endpoint for mikrotik tool
    required: True
    options:
      - netwatch
      - e-mail
  settings:
    description:
      - All Mikrotik compatible parameters for this particular endpoint.
        Any yes/no values must be enclosed in double quotes
  state:
    description:
      - absent or present
'''

EXAMPLES = '''
- mt_dhcp_server:
    hostname:    "{{ inventory_hostname }}"
    username:    "{{ mt_user }}"
    password:    "{{ mt_pass }}"
    parameter:   network
    settings:
      address: 192.168.1.0/24
      dns:     192.168.1.20
'''

from ansible.module_utils.mt_common import clean_params, MikrotikIdempotent
from ansible.module_utils.basic import AnsibleModule



def main():
    module = AnsibleModule(
        argument_spec = dict(
            hostname  = dict(required=True),
            username  = dict(required=True),
            password  = dict(required=True, no_log=True),
            settings  = dict(required=False, type='dict'),
            parameter = dict(
                required  = True,
                choices   = ['network', 'option', 'dhcp-server'],
                type      = 'str'
            ),
            state   = dict(
                required  = False,
                choices   = ['present', 'absent'],
                type      = 'str'
            ),
        ),
    supports_check_mode=True
    )

    idempotent_parameter = None
    params = module.params

    if params['parameter'] == 'network':
      idempotent_parameter = 'address'
      params['parameter'] = "dhcp-server/network"

    if params['parameter'] == 'option':
      idempotent_parameter = 'name'
      params['parameter'] = "dhcp-server/option"

    if params['parameter'] == 'dhcp-server':
      idempotent_parameter = 'name'

    mt_obj = MikrotikIdempotent(
        hostname         = params['hostname'],
        username         = params['username'],
        password         = params['password'],
        state            = params['state'],
        desired_params   = params['settings'],
        idempotent_param = idempotent_parameter,
        api_path         = '/ip/' + str(params['parameter']),
        check_mode       = module.check_mode,

    )

    mt_obj.sync_state()

    if mt_obj.failed:
        module.fail_json(
          msg = mt_obj.failed_msg
        )
    elif mt_obj.changed:
        module.exit_json(
            failed=False,
            changed=True,
            msg=mt_obj.changed_msg,
            diff={ "prepared": {
                "old": mt_obj.old_params,
                "new": mt_obj.new_params,
            }},
        )
    else:
        module.exit_json(
            failed=False,
            changed=False,
            #msg='',
            msg=params['settings'],
        )

if __name__ == '__main__':
  main()