#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: Ansible Project
# 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 = '''

module: uptimerobot
short_description: Pause and start Uptime Robot monitoring
description:
    - This module will let you start and pause Uptime Robot Monitoring
author: "Nate Kingsley (@nate-kingsley)"
requirements:
    - Valid Uptime Robot API Key
options:
    state:
        description:
            - Define whether or not the monitor should be running or paused.
        required: true
        choices: [ "started", "paused" ]
    monitorid:
        description:
            - ID of the monitor to check.
        required: true
    apikey:
        description:
            - Uptime Robot API key.
        required: true
notes:
    - Support for adding and removing monitors and alert contacts has not yet been implemented.
'''

EXAMPLES = '''
- name: Pause the monitor with an ID of 12345
  uptimerobot:
    monitorid: 12345
    apikey: 12345-1234512345
    state: paused

- name: Start the monitor with an ID of 12345
  uptimerobot:
    monitorid: 12345
    apikey: 12345-1234512345
    state: started
'''

import json

from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six.moves.urllib.parse import urlencode
from ansible.module_utils.urls import fetch_url
from ansible.module_utils._text import to_text


API_BASE = "https://api.uptimerobot.com/"

API_ACTIONS = dict(
    status='getMonitors?',
    editMonitor='editMonitor?'
)

API_FORMAT = 'json'
API_NOJSONCALLBACK = 1
CHANGED_STATE = False
SUPPORTS_CHECK_MODE = False


def checkID(module, params):

    data = urlencode(params)
    full_uri = API_BASE + API_ACTIONS['status'] + data
    req, info = fetch_url(module, full_uri)
    result = to_text(req.read())
    jsonresult = json.loads(result)
    req.close()
    return jsonresult


def startMonitor(module, params):

    params['monitorStatus'] = 1
    data = urlencode(params)
    full_uri = API_BASE + API_ACTIONS['editMonitor'] + data
    req, info = fetch_url(module, full_uri)
    result = to_text(req.read())
    jsonresult = json.loads(result)
    req.close()
    return jsonresult['stat']


def pauseMonitor(module, params):

    params['monitorStatus'] = 0
    data = urlencode(params)
    full_uri = API_BASE + API_ACTIONS['editMonitor'] + data
    req, info = fetch_url(module, full_uri)
    result = to_text(req.read())
    jsonresult = json.loads(result)
    req.close()
    return jsonresult['stat']


def main():

    module = AnsibleModule(
        argument_spec=dict(
            state=dict(required=True, choices=['started', 'paused']),
            apikey=dict(required=True, no_log=True),
            monitorid=dict(required=True)
        ),
        supports_check_mode=SUPPORTS_CHECK_MODE
    )

    params = dict(
        apiKey=module.params['apikey'],
        monitors=module.params['monitorid'],
        monitorID=module.params['monitorid'],
        format=API_FORMAT,
        noJsonCallback=API_NOJSONCALLBACK
    )

    check_result = checkID(module, params)

    if check_result['stat'] != "ok":
        module.fail_json(
            msg="failed",
            result=check_result['message']
        )

    if module.params['state'] == 'started':
        monitor_result = startMonitor(module, params)
    else:
        monitor_result = pauseMonitor(module, params)

    module.exit_json(
        msg="success",
        result=monitor_result
    )


if __name__ == '__main__':
    main()
