#!/usr/bin/python
# -*- coding: utf-8 -*-

# Copyright: (c) 2018, Rafael Bodill <justrafi at google mail>
# Copyright: (c) 2020, Borjan Tchakaloff <first name at last name dot fr>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

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

DOCUMENTATION = '''
---
module: syncthing_device

short_description: Manage Syncthing devices

version_added: "2.7"

description:
    - "This is my longer description explaining my sample module"

options:
    id:
        description:
            - This is the unique id of this new device
        required: true
    name:
        description:
            - The name for this new device
        required: false
    host:
        description:
            - Host to connect to, including port
        default: http://127.0.0.1:8384
    unix_socket:
        description:
            - Use this unix socket instead of TCP
        required: false
    api_key:
        description:
            - API key to use for authentication with host.
              If not provided, will try to auto-configure from filesystem.
        required: false
    config_file:
        description:
            - Path to the Syncthing configuration file for automatic
              discovery (`api_key`). Note that the running user needs read
              access to the file.
        required: false
    timeout:
        description:
            - The socket level timeout in seconds
        default: 30
    state:
        description:
            - Use present/absent to ensure device is added, or not.
        default: present
        choices: ['absent', 'present', 'paused']

author:
    - Rafael Bodill (@rafi)
'''

EXAMPLES = '''
# Add a device to share with
- name: Add syncthing device
  syncthing_device:
    id: 1234-1234-1234-1234
    name: my-server-name
'''

RETURN = '''
response:
    description: The API response, in-case of an error.
    type: dict
'''

from ansible_collections.community.syncthing.plugins.module_utils.syncthing_api import SyncthingModule

# Returns an object of a new device
def create_device(params):
    device = {
        'addresses': [
            'dynamic'
        ],
        'allowedNetworks': [],
        'autoAcceptFolders': False,
        'certName': '',
        'compression': 'metadata',
        'deviceID': params['id'],
        'ignoredFolders': [],
        'introducedBy': '',
        'introducer': False,
        'maxRecvKbps': 0,
        'maxSendKbps': 0,
        'name': params['name'],
        'paused': True if params['state'] == 'paused' else False,
        'pendingFolders': [],
        'skipIntroductionRemovals': False
    }
    return device

def run_module():
    # module arguments
    module_args = {}
    module_args.update(dict(
        id=dict(type='str', required=True),
        name=dict(type='str', required=False),
        state=dict(type='str', default='present',
                   choices=['absent', 'present', 'paused']),
    ))

    # the AnsibleModule object will be our abstraction working with Ansible
    module = SyncthingModule(
        api_url='/rest/config/devices',
        argument_spec=module_args
    )

    if module.params['state'] != 'absent' and not module.params['name']:
        module.fail_json(msg='You must provide a name when creating')

    want_pause = module.params['state'] == 'paused'
    device_exists = False
    device = module.get_call(target=module.params['id'])
    if 'deviceID' in device and device['deviceID'] == module.params['id']:
        device_exists = True

    if module.params['state'] == 'absent':
        if device_exists:
            if module.check_mode:
                module.result['changed'] = True
            else:
                module.delete_call(target=device['deviceID'])
    elif device_exists:  # exists but maybe needs changing
        if device['paused'] != want_pause:
            device['paused'] = want_pause
            if module.check_mode:
                module.result['changed'] = True
            else:
                module.patch_call(data=device, target=device['deviceID'])
    else:  # Doesn't exist but needs to be added
        if module.check_mode:
            module.result['changed'] = True
        else:
            device = create_device(module.params)
            module.post_call(data=device)

    module.exit_json()

def main():
    run_module()

if __name__ == '__main__':
    main()