#include "button.hpp"

Button::Button(std::string path){
    //cout << "init!" << endl;
    initTexture(path);
}

Button::Button(){
}

bool Button::isOn(){
    return _state != ButtonState::off;
}

void Button::turnOn(){
    _state = ButtonState::released;
}

void Button::turnOff(){
    _state = ButtonState::off;
}

int Button::getClicks(){

    int c = _clicks;
    //cout << "popping clicks " << c << endl;
    _clicks = 0;
    //if (_clicks > 0) std::cout << "popclicks = " << _clicks << std::endl;
    return c;
}

void Button::update(sf::Vector2f mousePosition){
    //cout << "state = " << _state << endl;
    if(_state != ButtonState::off){
        if(!inside(mousePosition)) _state = 0;
        else if (_state == ButtonState::released) _state = 1;
        //cout << "state = " << _state << endl;
    }
    setTextureRect(sf::IntRect(0,_ySize*_state,_xSize,_ySize));
}

bool Button::inside(sf::Vector2f position){
    sf::FloatRect boundingBox = getGlobalBounds();
    if (boundingBox.contains(sf::Vector2f(position.x, position.y))) return true;
    //cout << "outside!" << endl;
    return false;
}

void Button::handleMouseEvent(sf::Event& event){
   //cout << "event state = " << _state << endl;
        switch (event.type){
            case (sf::Event::MouseButtonPressed):
                if(_state == ButtonState::active) _state = ButtonState::pressed;
                //std::cout << "pressed!" << _clicks << std::endl;
            break;

            case (sf::Event::MouseButtonReleased):
                if(_state == ButtonState::pressed){
                    _state = ButtonState::active;
                    ++_clicks;
                    //std::cout << "released!" << _clicks << std::endl;
                }
            break;

        default:
            break;
        }
        //cout << "event state = " << _state << endl;
}

void Button::initTexture(std::string path){
    _clicks = 0;
    _state = ButtonState::off;
    ASSERT(_texture.loadFromFile(path));
    setTexture(_texture);
    _xSize = _texture.getSize().x;
    _ySize = _texture.getSize().y/4;
    setTextureRect(sf::IntRect(0,_ySize*_state,_xSize,_ySize));
}
