# -*- coding: utf-8 -*-

import argparse
import json
import logging
from os.path import abspath, exists, isdir, join as pathjoin

from tsstats import config
from tsstats.exceptions import InvalidConfiguration
from tsstats.log import parse_logs
from tsstats.logger import file_handler, stream_handler
from tsstats.template import render_servers
from tsstats.utils import transform_pretty_identmap

logger = logging.getLogger('tsstats')


def cli():
    parser = argparse.ArgumentParser(
        description='A simple Teamspeak stats-generator,'
        ' based solely on server-logs',
        argument_default=argparse.SUPPRESS
    )
    parser.add_argument(
        '-c', '--config',
        type=str, help='path to config'
    )
    parser.add_argument(
        '--idmap', type=str, help='path to id_map'
    )
    parser.add_argument(
        '-l', '--log',
        type=str, help='path to your logfile(s). pass a directory to use all logfiles inside it'
    )
    parser.add_argument(
        '-o', '--output',
        type=str, help='path to the output-file'
    )
    parser.add_argument(
        '-d', '--debug',
        help='debug mode', action='store_true'
    )
    parser.add_argument(
        '-ds', '--debugstdout',
        help='write debug output to stdout', action='store_true'
    )
    parser.add_argument(
        '-nod', '--noonlinedc',
        help='don\'t add connect until now to onlinetime',
        action='store_false', dest='onlinedc'
    )
    parser.add_argument(
        '-t', '--template',
        type=str, help='path to custom template'
    )
    parser.add_argument(
        '-dtf', '--datetimeformat',
        type=str, help='format of date/time-values (datetime.strftime)'
    )
    parser.add_argument(
        '-otth', '--onlinetimethreshold',
        type=int, help='threshold for displaying onlinetime (in seconds)'
    )
    options = parser.parse_args()
    if 'config' in options:
        configuration = config.load(options.config)
    else:
        configuration = config.load()
    for option, value in vars(options).items():
        configuration.set('General', option, str(value))
    main(configuration)


def main(configuration):
    # setup logging
    if configuration.getboolean('General', 'debug'):
        logger.setLevel(logging.DEBUG)
    if configuration.getboolean('General', 'debugstdout'):
        stream_handler.setLevel(logging.DEBUG)
    else:
        logger.addHandler(file_handler)

    # attach handlers
    logger.addHandler(stream_handler)

    idmap = configuration.get('General', 'idmap')
    if idmap:
        idmap = abspath(idmap)
        if not exists(idmap):
            logger.fatal('identmap not found (%s)', idmap)
        # read id_map
        identmap = json.load(open(idmap))
    else:
        identmap = None
    if isinstance(identmap, list):
        identmap = transform_pretty_identmap(identmap)

    log = configuration.get('General', 'log')
    if not log:
        raise InvalidConfiguration('log or output missing')
    if isdir(log):
        log = pathjoin(log, '*.log')

    servers = parse_logs(
        log, ident_map=identmap,
        online_dc=configuration.getboolean('General', 'onlinedc')
    )
    render_servers(
        sorted(servers, key=lambda s: s.sid),
        output=abspath(configuration.get('General', 'output')),
        template=configuration.get('General', 'template'),
        datetime_fmt=configuration.get('General', 'datetimeformat'),
        onlinetime_threshold=int(configuration.get(
            'General', 'onlinetimethreshold'))
    )


if __name__ == '__main__':
    cli()