#include "../headers/qmodernpushbutton.h"

QModernPushButton::QModernPushButton(QString icon, QWidget* parent) : QPushButton(parent)
{
    this->setStyleSheet(this->generateStyleSheet());
    this->setCheckable(true);

    this->svgWidget = new QSvgWidget(this);
    this->svgWidget->load(QString(icon));

    this->overlayNormalWidget = new QSvgWidget(this->svgWidget);

    this->overlayCheckedWidget = new QSvgWidget(this->svgWidget);
    this->overlayCheckedWidget->load(QString(":svgIcons/overlayChecked.svg"));

    this->overlayCheckedEffect = new QGraphicsOpacityEffect(this);
    this->overlayCheckedEffect->setOpacity(0);
    this->overlayCheckedWidget->setGraphicsEffect(this->overlayCheckedEffect);

    connect(this, SIGNAL(toggled(bool)), this, SLOT(handleToggled(bool)));
}

void QModernPushButton::handleToggled(bool checked) {
    int startValue = 1;
    if(checked) {
        startValue = 0;
    }

    QPropertyAnimation *animation = new QPropertyAnimation(this->overlayCheckedEffect, "opacity");
    animation->setDuration(400);
    animation->setStartValue(startValue);
    animation->setEndValue(1-startValue);
    animation->setEasingCurve(QEasingCurve(QEasingCurve::InOutQuad));
    animation->start();
}

QString QModernPushButton::generateStyleSheet() {
    return "QPushButton {\n"
           "    background-color: transparent;\n"
           "}\n"
            "QPushButton:hover {"
           "background-color: lightblue;"
           "}"
           "QPushButton:active {\n"
           "    outline: none;"
           "}";
}

void QModernPushButton::resizeEvent(QResizeEvent *event) {
    this->svgWidget->setGeometry(QRect(0, 0, event->size().width(), event->size().height()));

    // make border width match button size
    QFile file(":svgIcons/overlayNormal.svg");
    file.open(QFile::ReadOnly);
    QString overlayNormalString = file.readAll();
    overlayNormalString.replace("stroke-width:15px", "stroke-width:" + QString::number(500/event->size().width() * 5) + "px");
    //this->overlayNormalWidget->load(overlayNormalString.toUtf8());

    this->overlayNormalWidget->setGeometry(QRect(0, 0, event->size().width(), event->size().height()));

    this->overlayCheckedWidget->setGeometry(QRect(0, 0, event->size().width(), event->size().height()));
}