#include "mainmenu.h"
#include "widgets/button.h"
#include "widgets/group.h"

MainMenu::MainMenu(sf::RenderWindow& game_window, Callbacks&& callbacks) :
    _buttons(std::make_shared<Group>()),
    _game_window(game_window)
{
    const float window_width = game_window.getSize().x;
    const float window_height = game_window.getSize().y;

    std::shared_ptr<Button> button_start = std::make_shared<Button>("Start");
    button_start->setRect(sf::FloatRect(window_width / 3., window_height / 7. * 2, window_width / 3., window_height / 7.));
    button_start->setCallback(callbacks.onAppendGameState);

    std::shared_ptr<Button> button_exit = std::make_shared<Button>("Exit");
    button_exit->setRect(sf::FloatRect(window_width / 3., window_height / 7. * 4, window_width / 3., window_height / 7.));
    button_exit->setCallback([&]()
    {
        _game_window.close();
    });

    _buttons->addChild(button_start);
    _buttons->addChild(button_exit);
}

void MainMenu::input(const sf::Event& event)
{
    _buttons->input(event);
}

void MainMenu::update()
{
    _buttons->update();
}

void MainMenu::draw() const
{
    _game_window.draw(*_buttons);
}

void MainMenu::enter()
{
    _buttons->setVisibility();
}

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