#pragma once

#include "core/systemevent.h"
#include <SFML/Window/Event.hpp>

namespace kku
{

constexpr kku::SystemEvent::Key::Code convert(sf::Keyboard::Key key) noexcept
{
    return kku::SystemEvent::Key::Code{int(key)};
}

constexpr kku::SystemEvent convert(const sf::Event &event) noexcept
{
    switch (event.type)
    {
    default:
        break;

    case sf::Event::Resized:
        return kku::SystemEvent{
            kku::SystemEvent::Type::Resize,
            kku::SystemEvent::Size{event.size.width, event.size.height}};

    case sf::Event::KeyPressed:
        return kku::SystemEvent{
            kku::SystemEvent::Type::KeyPress,
            kku::SystemEvent::Key{kku::convert(event.key.code), event.key.alt,
                                  event.key.control, event.key.shift}};

    case sf::Event::KeyReleased:
        return kku::SystemEvent{
            kku::SystemEvent::Type::KeyRelease,
            kku::SystemEvent::Key{kku::convert(event.key.code), event.key.alt,
                                  event.key.control, event.key.shift}};

    case sf::Event::MouseWheelScrolled:
        return kku::SystemEvent{
            kku::SystemEvent::Type::MouseWheelScroll,
            kku::SystemEvent::Mouse{
                kku::Point{event.mouseWheelScroll.x, event.mouseWheelScroll.y},

                (event.mouseWheelScroll.delta > 0),
                kku::SystemEvent::Mouse::Button::Wheel}};

    case sf::Event::MouseMoved:
        return kku::SystemEvent{
            kku::SystemEvent::Type::MouseMove,
            kku::SystemEvent::Mouse{
                kku::Point{event.mouseMove.x, event.mouseMove.y},

                false, kku::SystemEvent::Mouse::Button::None}};

    case sf::Event::MouseButtonPressed:
        return kku::SystemEvent{
            kku::SystemEvent::Type::MousePress,
            kku::SystemEvent::Mouse{
                kku::Point{event.mouseButton.x, event.mouseButton.y},

                false,
                ((event.mouseButton.button == sf::Mouse::Button::Left)
                     ? kku::SystemEvent::Mouse::Button::Left
                     : kku::SystemEvent::Mouse::Button::Right)}};

    case sf::Event::MouseButtonReleased:
        return kku::SystemEvent{
            kku::SystemEvent::Type::MouseRelease,
            kku::SystemEvent::Mouse{
                kku::Point{event.mouseButton.x, event.mouseButton.y},

                false,
                ((event.mouseButton.button == sf::Mouse::Button::Left)
                     ? kku::SystemEvent::Mouse::Button::Left
                     : kku::SystemEvent::Mouse::Button::Right)}};
    }

    return kku::SystemEvent{kku::SystemEvent::Type::None,
                            kku::SystemEvent::None{}};
}

} // namespace kku