#pragma once

#include <boost/asio.hpp>
#include <boost/bind.hpp>

namespace acs
{
    class loop;
    class await_timer
    {
        loop* loop_;
        boost::asio::deadline_timer timer_;
        std::function<void(const boost::system::error_code&)> user_cb_;
        void callback_handler(const boost::system::error_code& ec);
    public:
        explicit await_timer();
        template <typename F>
        void defer_with(int duration, F&& func)
        {
            user_cb_ = func;
            timer_.expires_from_now(boost::posix_time::millisec(duration));
            timer_.async_wait(boost::bind(
                &await_timer::callback_handler, this, boost::asio::placeholders::error));
        }
    };


}