#include "application/about.h"
#include "widgets/pushbutton.h"
#include "widgets/group.h"

About::About(const std::shared_ptr<kku::CoreFactory>& factory, About::Callbacks&& callbacks) :
    _callbacks(std::move(callbacks)),
    _core_factory(factory),
    _sfml_logo(factory->getSprite(kku::GUISprite::Id::SFML_LOGO)),
    _cryptopp_logo(factory->getSprite(kku::GUISprite::Id::CRYPTOPP_LOGO)),
    _powered_by_text(factory->getText(kku::Font::Id::GUI)),
    _buttons(std::make_shared<Group>())
{
    _powered_by_text->setString("Powered by: ");
    _powered_by_text->move(kku::Vector2<float>{0., 60});
    _sfml_logo->move(kku::Vector2<float>{230., 60});
    _cryptopp_logo->move(kku::Vector2<float>{250., 180});
}

void About::input(const kku::SystemEvent& event)
{
    _buttons->input(event);
}

void About::update(const kku::microsec& dt)
{
    _buttons->update(dt);
}

void About::display() const
{
    _buttons->display();
    _sfml_logo->display();
    _cryptopp_logo->display();
    _powered_by_text->display();
}

void About::enter()
{
    const auto render_size = _core_factory->getRenderSize();
    const float window_width = render_size.first;
    const float window_height = render_size.second;

    if (!_exit_button)
    {
        _exit_button = std::make_shared<PushButton>("Return", _core_factory, 48);
        _exit_button->setCallback(_callbacks.onLeaveAboutState);
        _buttons->addChild(_exit_button);
    }

    _exit_button->setRect(kku::Area<float>{window_width / 3.f, window_height / 7.f * 4,
                                           window_width / 3.f, window_height / 7.f});
    _buttons->setVisibility();
}

void About::leave()
{
    _buttons->setVisibility(false);
}