#include "button.h"

Button::Button(const std::string &text) :
    _pressed(false)
{
    setText(text);
    _button_text.setFillColor(sf::Color::Black);
    _button_content.setFillColor(sf::Color::White);
}

void Button::input(const sf::Event& event)
{
    switch (event.type)
    {
    default:
        break;

    case sf::Event::MouseButtonPressed:
        if (isUnderMouse(event.mouseButton.x, event.mouseButton.y))
        {
            _pressed = true;
            _button_content.setFillColor(sf::Color(155, 155, 155));
        }
        break;

    case sf::Event::MouseButtonReleased:
        if (_pressed)
        {
            _button_content.setFillColor(sf::Color::White);
            _pressed = false;
            if (isUnderMouse(event.mouseButton.x, event.mouseButton.y))
                _on_click_callback();
        }
        break;
    }

    Widget::input(event);
}

void Button::update()
{
    Widget::update();
}

void Button::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
    target.draw(_button_content, states);
    target.draw(_button_text, states);

    Widget::draw(target, states);
}

void Button::setRect(const sf::FloatRect& rect)
{
    _button_content.setPosition(rect.left, rect.top);
    _button_content.setSize({rect.width - rect.left, rect.height - rect.top});
}

void Button::setPosition(const sf::Vector2f &position)
{
    _button_content.setPosition(position);
}

bool Button::isUnderMouse(int mouse_x, int mouse_y) const
{
    return _button_content.getGlobalBounds().contains(mouse_x, mouse_y);
}

void Button::setText(const std::string& text)
{
    _button_text.setString(text);
}

void Button::setCallback(std::function<void(void)> callback)
{
    _on_click_callback = callback;
}