#include "access_controller.hpp"
#include "factory.hpp"

namespace acs
{
    access_controller::access_controller() : state_(
        factory::get()->get_state()), extra_gpio_(
            factory::get()->get_devices()->extra()), reader_(
                factory::get()->get_reader()), writer_(
                    factory::get()->get_writer()), timer_(
                        factory::get()->get_await_timer()) {}

    void access_controller::authorized()
    {
        state_->set_status(state::entry_await);
        writer_->authorized();
        extra_gpio_->stream_write(gpio::high);
        wait(4'000);
    }

    void access_controller::forbidden()
    {
        state_->set_status(state::entry_await);
        writer_->access_denied();
        wait(1'000);
    }

    void access_controller::force_reset_if_idle()
    {
        if (state_->get_status() == state::idle)
            reset({ });
    }

    void access_controller::wait(unsigned duration)
    {
        timer_->defer_with(duration, boost::bind(
            &access_controller::reset, this, boost::asio::placeholders::error));
    }

    void access_controller::reset(const boost::system::error_code& ec)
    {
        if (ec)
            exit(1);
        writer_->refresh();
        state_->set_status(state::idle);
        extra_gpio_->stream_write(gpio::low);
        writer_->write_qr_code();
    }
}