MafiaTelegramBot/MafiaTelegramBot/Commands/Messages/StartGameMessageHandler.cs

using System.Threading.Tasks;
using MafiaTelegramBot.Controllers;
using MafiaTelegramBot.Game;
using MafiaTelegramBot.Resources;
using Telegram.Bot.Types;

namespace MafiaTelegramBot.Commands.Messages
{
    public class StartGameMessageHandler : MessageHandler
    {
        protected override string Command => keyboard.begin_game;
        public override async Task<Message> Execute(Update update)
        {
            Logs.LogOut(GetType(), "Execute");

            var roomKey = RoomEncrypter.GetCode(User.GetRoomName());
            var room = RoomController.GetRoom(roomKey);
            if(room == null)
                return await MessageController.SendText(User.Info, strings.room_does_not_exists);
            if (!User.Equals(room.Owner))
                return await new CommandNotFound(User, update.Message.Text).Execute(update);
            if (room.IsExtended) return await MessageController.SendText(User.Info, strings.continue_question, Keyboard.StartExtendedRoomKeyboard());
            var result = await MessageController.SendText(User.Info, strings.game_process_started);
            var resultCode = await room.Prepare();
            if (resultCode != ResultCode.CodeOk)
                return await MessageController.SendText(User.Info, Utilities.GetResultCodeMessage(resultCode));
            room.Start();
            return result;
        }

        public StartGameMessageHandler(Player player) : base(player) { }
    }
}