#!/usr/bin/env python3
# -*- coding: utf-8; py-indent-offset: 4 -*-
#
# Author:  Linuxfabrik GmbH, Zurich, Switzerland
# Contact: info (at) linuxfabrik (dot) ch
#          https://www.linuxfabrik.ch/
# License: The Unlicense, see LICENSE file.

# https://github.com/Linuxfabrik/monitoring-plugins/blob/main/CONTRIBUTING.md

"""See the check's README for more details.
"""

import argparse  # pylint: disable=C0413
import sys  # pylint: disable=C0413

import lib.args  # pylint: disable=C0413
import lib.base  # pylint: disable=C0413
import lib.human  # pylint: disable=C0413
import lib.nodebb  # pylint: disable=C0413
import lib.lftest  # pylint: disable=C0413
import lib.time  # pylint: disable=C0413
from lib.globals import STATE_OK, STATE_UNKNOWN  # pylint: disable=C0413

__author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
__version__ = '2025021501'

DESCRIPTION = """Get NodeBB event log."""

DEFAULT_INSECURE = False
DEFAULT_NO_PROXY = False
DEFAULT_TIMEOUT = 3
DEFAULT_URL = 'http://localhost:4567/forum'


def parse_args():
    """Parse command line arguments using argparse.
    """
    parser = argparse.ArgumentParser(description=DESCRIPTION)

    parser.add_argument(
        '-V', '--version',
        action='version',
        version='%(prog)s: v{} by {}'.format(__version__, __author__)
    )

    parser.add_argument(
        '--insecure',
        help='This option explicitly allows to perform "insecure" SSL connections. '
             'Default: %(default)s',
        dest='INSECURE',
        action='store_true',
        default=DEFAULT_INSECURE,
    )

    parser.add_argument(
        '--no-proxy',
        help='Do not use a proxy. '
             'Default: %(default)s',
        dest='NO_PROXY',
        action='store_true',
        default=DEFAULT_NO_PROXY,
    )

    parser.add_argument(
        '--test',
        help='For unit tests. Needs "path-to-stdout-file,path-to-stderr-file,expected-retc".',
        dest='TEST',
        type=lib.args.csv,
    )

    parser.add_argument(
        '--timeout',
        help='Network timeout in seconds. '
             'Default: %(default)s (seconds)',
        dest='TIMEOUT',
        type=int,
        default=DEFAULT_TIMEOUT,
    )

    parser.add_argument(
        '-p', '--token',
        help='NodeBB API Bearer token.',
        dest='TOKEN',
        required=True,
    )

    parser.add_argument(
        '--url',
        help='NodeBB API URL. '
             'Default: %(default)s',
        dest='URL',
        default=DEFAULT_URL,
    )

    return parser.parse_args()


def main():
    """The main function. Hier spielt die Musik.
    """

    # parse the command line, exit with UNKNOWN if it fails
    try:
        args = parse_args()
    except SystemExit:
        sys.exit(STATE_UNKNOWN)

    # fetch data
    if args.TEST is None:
        result = lib.nodebb.get_data(args, '/api/admin/advanced/events')
    else:
        # do not call the command, put in test data
        import json
        stdout, stderr, retc = lib.lftest.test(args.TEST)
        result = json.loads(stdout)

    # init some vars
    msg = ''
    table_data = []

    # analyze data
    for item in result['events']:
        # append subdict "user" to the parent item
        tmp = {**item, **item['user']}
        tmp['user'] = None
        tmp['timestamp'] = '{} ({} ago)'.format(
            lib.time.epoch2iso(tmp['timestamp'] / 1000),
            lib.human.seconds2human(lib.time.now(as_type='epoch') - (item['timestamp'] / 1000)),
        )
        table_data.append(tmp)

    # build the message
    if len(result['events']) == 0:
        msg = 'Everything is ok.'
    else:
        msg = 'Latest event: #{} uid={} {} {} {} ({} ago)\n\n'.format(
            result['events'][0]['eid'],
            result['events'][0]['uid'],
            result['events'][0]['user']['username'],
            result['events'][0]['type'],
            result['events'][0]['ip'],
            lib.human.seconds2human(lib.time.now(as_type='epoch') - result['events'][0]['timestamp'] / 1000),
        )
        if table_data:
            keys = [
                'eid',
                'uid',
                'displayname',
                'type',
                'timestamp',
                'ip',
            ]
            headers = [
                'eid',
                'uid',
                'displayname',
                'type',
                'timestamp',
                'ip',
            ]
            msg += lib.base.get_table(table_data, keys, header=headers)

    # over and out
    lib.base.oao(msg, STATE_OK)


if __name__ == '__main__':
    try:
        main()
    except Exception:   # pylint: disable=W0703
        lib.base.cu()
