MafiaTelegramBot/MafiaTelegramBot/Bot.cs

using System;
using System.Threading;
using MafiaTelegramBot.Controllers;
using MafiaTelegramBot.Resources;
using Telegram.Bot;
using Telegram.Bot.Extensions.Polling;

namespace MafiaTelegramBot
{
    public static class Bot
    {
        private static TelegramBotClient _client;

        public static TelegramBotClient Client
        {
            get
            {
                if (_client != null) return _client;
                _client = new TelegramBotClient(AppSettings.Token);
                return _client;
            }
        }
        
        public static void Main()
        {
            var cts = new CancellationTokenSource();
            Client.StartReceiving(new DefaultUpdateHandler(MessageController.HandleUpdateAsync, MessageController.HandleErrorAsync), cts.Token);
            Console.ReadLine();
            cts.Cancel();
        }
    }
}