static IMessageManager CreateMessageManager()
{
var manager = new MessageManager();
manager.AddCase(new SimpleRespondCase("Привет", (c, m) => $"Привет, {c.Name}!"));
manager.AddCase(new SimpleRespondCase("Как дела?", (c, m) => $"Отлично!"));
manager.AddCase(new SimpleRespondCase("Сколько времени?", (c, m) => $"Время {DateTime.Now.ToShortTimeString()}"));
manager.AddCase(new SimpleRespondCase("Покажи всех клиентов",
(c, m) => String.Join('\n', manager.Clients.Select(c => $"[{c.Id}] {c.Name}"))));
manager.AddCase(new RandomRespondCase());
return(manager);
}