# -*- coding: utf-8 -*-
import argparse
import logging
import logging.handlers
import os
import webbrowser

import tornado.ioloop
import tornado.web

import api.chat
import api.main
import config
import models.database
import services.avatar
import services.chat
import services.translate
import update

logger = logging.getLogger(__name__)

BASE_PATH = os.path.dirname(os.path.realpath(__file__))
WEB_ROOT = os.path.join(BASE_PATH, 'frontend', 'dist')
LOG_FILE_NAME = os.path.join(BASE_PATH, 'log', 'blivechat.log')

routes = [
    (r'/api/server_info', api.main.ServerInfoHandler),
    (r'/api/emoticon', api.main.UploadEmoticonHandler),

    (r'/api/chat', api.chat.ChatHandler),
    (r'/api/room_info', api.chat.RoomInfoHandler),
    (r'/api/avatar_url', api.chat.AvatarHandler),

    (r'/(.*)', api.main.MainHandler, {'path': WEB_ROOT, 'default_filename': 'index.html'})
]


def main():
    args = parse_args()

    init_logging(args.debug)
    config.init()
    models.database.init(args.debug)
    services.avatar.init()
    services.translate.init()
    services.chat.init()
    update.check_update()

    run_server(args.host, args.port, args.debug)


def parse_args():
    parser = argparse.ArgumentParser(description='用于OBS的仿YouTube风格的bilibili直播评论栏')
    parser.add_argument('--host', help='服务器host，默认为127.0.0.1', default='127.0.0.1')
    parser.add_argument('--port', help='服务器端口，默认为12450', type=int, default=12450)
    parser.add_argument('--debug', help='调试模式', action='store_true')
    return parser.parse_args()


def init_logging(debug):
    stream_handler = logging.StreamHandler()
    file_handler = logging.handlers.TimedRotatingFileHandler(
        LOG_FILE_NAME, encoding='utf-8', when='midnight', backupCount=7, delay=True
    )
    logging.basicConfig(
        format='{asctime} {levelname} [{name}]: {message}',
        datefmt='%Y-%m-%d %H:%M:%S',
        style='{',
        level=logging.INFO if not debug else logging.DEBUG,
        handlers=[stream_handler, file_handler]
    )

    # 屏蔽访问日志
    logging.getLogger('tornado.access').setLevel(logging.WARNING)


def run_server(host, port, debug):
    app = tornado.web.Application(
        routes,
        WEB_ROOT=WEB_ROOT,
        websocket_ping_interval=10,
        debug=debug,
        autoreload=False
    )
    cfg = config.get_config()
    try:
        app.listen(
            port,
            host,
            xheaders=cfg.tornado_xheaders,
            max_body_size=1024 * 1024,
            max_buffer_size=1024 * 1024
        )
    except OSError:
        logger.warning('Address is used %s:%d', host, port)
        return
    finally:
        url = 'http://localhost/' if port == 80 else f'http://localhost:{port}/'
        # 防止更新版本后浏览器加载缓存
        url += '?_v=' + update.VERSION
        webbrowser.open(url)
    logger.info('Server started: %s:%d', host, port)
    tornado.ioloop.IOLoop.current().start()


if __name__ == '__main__':
    main()