#include "IrregularButton.h"

#include <QCoreApplication>

#include "MainWindow.h"

#include "TownImageWidget.h"


IrregularButton::IrregularButton(QWidget* parent /*= nullptr*/)
	: QPushButton(parent)
{
	setObjectName("IrregularButton");

	InitParentWidgetSlot(parent);
	//setAttribute(Qt::WA_TranslucentBackground);
}

IrregularButton::IrregularButton(const QString& text, QWidget* parent /*= nullptr*/)
	: QPushButton(text, parent) {
	setObjectName("IrregularButton");
	InitParentWidgetSlot(parent);
	//setAttribute(Qt::WA_TranslucentBackground);
}

IrregularButton::IrregularButton(const QIcon& icon, const QString& text, QWidget* parent /*= nullptr*/)
	: QPushButton(icon, text, parent)
{
	setObjectName("IrregularButton");
	InitParentWidgetSlot(parent);
	//setAttribute(Qt::WA_TranslucentBackground);
}

void IrregularButton::OnEmitEnter() {
    auto dt = static_cast<int32_t>(m_detailedType);
    MediaInfo item;
    if (!MainWindow::Get().GetMediaInfo(dt, m_btnName, item)) {
        qDebug() << "not get item: " << dt << " or text: " << m_btnName;
        return;
    }

    int x = 0, y = 0;
    QRect rect = geometry();
    if (item.start == 0) {
        x = rect.width() + rect.x();
        y = rect.y() + rect.height() / 2;
    }
    else if (item.start == 1) {
        x = rect.x() + rect.width() / 2;
        y = rect.y(); // +rect.height() / 2;
    }
    else {
        x = rect.x();
        y = rect.y() + rect.height() / 2;
    }

    QPointF end = GetEndPoint(item.end);
    emit Enter(QPointF(x, y), end);
}

//
//void IrregularButton::enterEvent(QEnterEvent* event) {
//	QPushButton::enterEvent(event);
//
//	auto dt = static_cast<int32_t>(m_detailedType);
//	MediaInfo item;
//	if (!MainWindow::Get().GetMediaInfo(dt, m_btnName, item)) {
//		qDebug() << "not get item: " << dt << " or text: " << m_btnName;
//		return;
//	}
//
//	int x = 0, y = 0;
//	QRect rect = geometry();
//	if (item.start == 0) {
//		x = rect.width() + rect.x();
//		y = rect.y() + rect.height() / 2;
//	}
//	else if (item.start == 1) {
//		x = rect.x() + rect.width() / 2;
//		y = rect.y(); // +rect.height() / 2;
//	}
//	else {
//		x = rect.x();
//		y = rect.y() + rect.height() / 2;
//	}
//
//	QPointF end = GetEndPoint(item.end);
//	emit Enter(QPointF(x, y), end);
//}
//
//void IrregularButton::leaveEvent(QEvent* event) {
//	QPushButton::leaveEvent(event);
//	emit Leave();
//}

bool IrregularButton::event(QEvent* e) {
    switch (e->type()) {
    case QEvent::TouchBegin:
    {
        m_bTouchEnd = false;
        QMouseEvent mouseEvent(QEvent::MouseButtonPress, QPointF(0, 0), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
        QCoreApplication::sendEvent(this, &mouseEvent);
        e->accept();
        return true;
    } break;
    case QEvent::TouchEnd:
    {
        QMouseEvent mouseEvent(QEvent::MouseButtonRelease, QPointF(0, 0), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
        QCoreApplication::sendEvent(this, &mouseEvent);
        m_bTouchEnd = true;
        e->accept();
        return true;
    } break;
    case QEvent::MouseButtonPress:
    case QEvent::MouseButtonRelease:
    {
        if (m_bTouchEnd) {
            e->accept();
            return true;
        }
    }break;
    default:
        break;
    }

    return QPushButton::event(e);
}

void IrregularButton::mousePressEvent(QMouseEvent* e) {
	QPushButton::mousePressEvent(e);
    OnEmitEnter();
    update();
}

void IrregularButton::mouseReleaseEvent(QMouseEvent* e) {
	emit Leave();
    update();
	QPushButton::mouseReleaseEvent(e);

    MainWindow::Get().PlayAudio();
}

QPointF IrregularButton::GetEndPoint(const QPointF& target) {
	QRect rect = geometry();
	const QRect& widgetRect = parentWidget()->geometry();
	QPoint pt = widgetRect.topLeft();
	QPointF ptf = target;
	auto minValue = [](float x) {
		return x > 0.0f ? x : 0.0f;
	};
	return { minValue(ptf.x()), minValue(ptf.y()) };
}

void IrregularButton::InitParentWidgetSlot(QWidget* parent) {
	TownImageWidget* imageWidget = dynamic_cast<TownImageWidget*>(parent);
	if (nullptr == imageWidget) {
		return;
	}

	connect(this, &IrregularButton::Enter, imageWidget, &TownImageWidget::OnBeginDraw);
	connect(this, &IrregularButton::Leave, imageWidget, &TownImageWidget::OnEndDraw);

}