#!/usr/bin/python

ANSIBLE_METADATA = {
    'metadata_version': '1.1',
    'status': ['preview'],
    'supported_by': 'community'
}

DOCUMENTATION = '''
---
module: eole_config

short_description: EOLE configuration values management

version_added: "2.4"

description:
    - This module provides facilities to read/update EOLE configuration values.

options:
    name:
        description:
            - The name of the configuration variable, as seen in "CreoleGet --list"
        required: true
    value:
        description:
            - If set, update the configuration variable with this value
        required: false

extends_documentation_fragment:
    - azure

author:
    - William Petit
'''

EXAMPLES = '''
# Pass in a message
- name: Test with a message
  my_new_test_module:
    name: hello world

# pass in a message and have changed true
- name: Test with a message and changed output
  my_new_test_module:
    name: hello world
    new: true

# fail the module
- name: Test failure of the module
  my_new_test_module:
    name: fail me
'''

RETURN = '''
name:
    description: The output message that the sample module generates
'''

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

def run_module():

    # define available arguments/parameters a user can pass to the module
    module_args = dict(
        name=dict(type='str', required=True),
        value=dict(type='json', required=False),
        load_extra=dict(type='bool', required=False, default=True),
        check_mandatory=dict(type='bool', required=False, default=False),
        reload_config=dict(type='bool', required=False, default=True)
    )

    result = dict(
        changed=False,
        path='',
        name=''
    )

    module = AnsibleModule(
        argument_spec=module_args,
        supports_check_mode=True
    )

    update_value = not module.params['value'] is None

    try:
        c = creole_loader(rw=update_value, load_extra=module.params['load_extra'])
        path = c.creole.find_first(byname=module.params['name'], type_='path')
        value = getattr(c, path)
    except Exception as ex:
        module.fail_json(msg=ex.message, **result)

    result['name'] = module.params['name']
    try:
        result['value'] = json.loads(json.dumps(value))
    except TypeError:
        result['value'] = value

    result['path'] = path

    try:
        if update_value:

            new_value = module.params['value']

            if isinstance(new_value, str): 
                new_value = unicode(new_value)

            new_value = json.loads(new_value)

            if value != new_value:

                setattr(c, path, new_value)
                value = getattr(c, path)

                if not module.check_mode:
                    config_save_values(
                        c, 'creole', 
                        check_mandatory=module.params['check_mandatory'],
                        reload_config=module.params['reload_config']
                    )
                    result['changed'] = True

    except Exception as ex:
        module.fail_json(msg=ex.message, **result)

    module.exit_json(**result)

def main():
    run_module()

if __name__ == '__main__':
    main()