#!/usr/bin/python

# Copyright: (c) 2018, Terry Jones <terry.jones@example.org>
# 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: CreoleSet

short_description: This module aims to set variables on EOLE modules

version_added: "1.0.0"

description: This module aims to set variables on EOLE modules orderly and atomicly.

options:
    variables:
        description: Name of the variable to change.
        required: true
        type: list
author:
    - Cadoles
'''

EXAMPLES = r'''
# Pass in a message
- variables:
    - name: simple_variable
      value: 'oui'
    - name: list_variable
      value:
        - item1
        - item2
    - name: master_variable
      value:
        - item1
        - item2
    - name: slave_variable
      value:
        - item1
        - item2
'''

RETURN = r'''
# These are examples of possible return values, and in general should use other names for return values.
diff:
    description: variable modifications status.
    type: list
    returned: always
    sample: ['activer_ajout_hosts: non => oui'] 
'''

from ansible.module_utils.basic import AnsibleModule
from creole.loader import creole_loader, config_save_values


def run_module():
    # define available arguments/parameters a user can pass to the module
    module_args = dict(
        variables=dict(type='list', required=True),
    )

    # seed the result dict in the object
    # we primarily care about changed and state
    # changed is if this module effectively modified the target
    # state will include any data that you want your module to pass back
    # for consumption, for example, in a subsequent task
    result = dict(
        changed=False,
        diff=[],
        message=''
    )

    # the AnsibleModule object will be our abstraction working with Ansible
    # this includes instantiation, a couple of common attr would be the
    # args/params passed to the execution, as well as if the module
    # supports check mode
    module = AnsibleModule(
        argument_spec=module_args,
        supports_check_mode=True
    )

    # if the user is working with this module in only check mode we do not
    # want to make any changes to the environment, just return the current
    # state with no modifications
    c = creole_loader(rw=True)
    diff = []
    for variable in module.params['variables']:
        value = variable['value']
        var_path = c.find_first(byname=variable['name'], type_='path')
        old_value = c.getattr(var_path)
        if old_value != value:
            diff.append('{}: {} => {}'.format(variable, old_value, value))
        c.setattr(var_path, value)
    result['diff'] = diff
    if not module.check_mode:
        config_save_values(c, 'creole')
    #if not module.check_mode:
    #    config_save_values(c, 'creole')
    module.exit_json(**result)


def main():
    run_module()


if __name__ == '__main__':
    main()