#include "reader_timer.hpp"
#include "factory.hpp"
#include <boost/date_time.hpp>
#include <boost/bind.hpp>

namespace acs
{
    void reader_timer::callback_handler(const boost::system::error_code& ec)
    {
        if (ec)
            exit(1);
        auto factory = factory::get();
        auto state = factory->get_state();
        if (state->get_status() == state::idle) {
            auto reader = factory->get_reader();
            auto uid = reader->find_card();
            if (uid) {
                std::cout << "UID: " << uid << std::endl;
                auto stu_num = reader->get_student_number();
                if (conn_->get_stunum(uid) == stu_num) {
                    controller_->authorized();
                } else {
                    controller_->forbidden();
                }
            }
        }
        defer();
    }

    void reader_timer::defer()
    {
        timer_.expires_from_now(boost::posix_time::millisec(200));
        timer_.async_wait(boost::bind(
            &reader_timer::callback_handler, this, boost::asio::placeholders::error));
    }

    reader_timer::reader_timer() : loop_(
        factory::get()->get_loop()), timer_(
            *loop_->get_io_service()), controller_(
                factory::get()->get_controller()), conn_(factory::get()->get_mysql())
    {
        defer();
    }
}