#!/usr/bin/python

from __future__ import (absolute_import, division, print_function)
__metaclass__ = type


DOCUMENTATION = r'''
---
module: nextcloud_facts

short_description: Gather ansible_facts from Nextcloud.

# If this is part of a collection, you need to use semantic versioning,
# i.e. the version is of the form "2.5.0" and not "2.4".
version_added: "0.0.1"

description: Gather ansible_facts from Nextcloud via occ status and occ config:list.

options:
    webroot:
        description: Path to the Nextcloud webroot.
        required: false
        default: /var/www/html
        type: str
    php:
        description: Path to the php-cli binary.
        required: false
        default: /usr/bin/php
        type: str

# Specify this value according to your collection
# in format of namespace.collection.doc_fragment_name
#extends_documentation_fragment:
#    - s3lph.nextcloud.nextcloud_facts

author:
    - s3lph
'''


EXAMPLES = r'''
'''


RETURN = r'''
ansible_facts.nextcloud_status:
    type: dict
    description: Parsed output from occ status.
    returned: success
    sample:
        installed: true
        version: "25.0.3.2"
        versionstring: "25.0.3
        edition: ""
        maintenance: false
        needsDbUpgrade: false
        productname: Nextcloud
        extendedSupport: false
ansible_facts.nextcloud_config:
    type: dict
    description: Parsed output from occ status:list.  Only present if installation was completed.
    returned: success
    sample:
        system:
            dbtype: sqlite3
            version: "25.0.3.2"

        apps:
            activity:
                installed_version: "2.17.0"
                types: "filesystem"
                enabled: "yes"
'''


from ansible.module_utils.basic import AnsibleModule

import json
import subprocess


def run_module():
    # define available arguments/parameters a user can pass to the module
    module_args = dict(
        webroot=dict(required=False, default='/var/www/html', type='str'),
        php=dict(required=False, default='/usr/bin/php', type='str'),
    )

    # 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,
        ansible_facts={}
    )

    # 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,
    )

    # Gather Nextcloud installation status
    sc = subprocess.run([module.params['php'], 'occ', 'status', '--output=json'],
                        cwd=module.params['webroot'],
                        capture_output=True, encoding='utf-8')
    if sc.returncode != 0:
        result['stdout'] = sc.stdout
        result['stderr'] = sc.stderr
        module.fail_json(msg='occ status returned non-zero exit code.  Run with -vvv to view the output', **result)

    status = json.loads(sc.stdout)
    result['ansible_facts']['nextcloud_status'] = status

    if not status['installed']:
        module.exit_json(**result)

    # Gather Nextcloud configuration
    cc = subprocess.run([module.params['php'], 'occ', 'config:list', '--output=json', '--private'],
                        cwd=module.params['webroot'],
                        capture_output=True, encoding='utf-8')
    if cc.returncode != 0:
        result['stdout'] = cc.stdout
        result['stderr'] = cc.stderr
        module.fail_json(msg='occ config:list returned non-zero exit code.  Run with -vvv to view the output', **result)

    config = json.loads(cc.stdout)
    result['ansible_facts']['nextcloud_config'] = config
    module.exit_json(**result)


def main():
    run_module()


if __name__ == '__main__':
    main()