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#include "automationhelper.h"
#include <QCoreApplication>
#include <QApplication>
#include <QQuickWindow>

AutomationHelper::AutomationHelper(QObject* parent) :
    QObject(parent)
{
}

/*!
 * \brief Click center of given QQuickItem
 * \param item Item to click
 */
void AutomationHelper::click(QQuickItem* item)
{
    QQuickWindow* window = item->window();
    if (!window) {
        qWarning()<<"No window for item "<<item;
        return;
    }

    int centerX = static_cast<int>(item->width()/2);
    int centerY = static_cast<int>(item->height()/2);
    QPointF globalCoordinates = item->mapToGlobal(QPoint(centerX, centerY));
    QPointF windowCoordinates = window->mapFromGlobal(globalCoordinates.toPoint());

    QMouseEvent pressEvent(QEvent::MouseButtonPress, windowCoordinates, windowCoordinates, windowCoordinates,
                           Qt::MouseButton::LeftButton, Qt::NoButton, Qt::NoModifier, Qt::MouseEventSynthesizedByApplication);
    QMouseEvent releaseEvent(QEvent::MouseButtonRelease, windowCoordinates, windowCoordinates, windowCoordinates,
                             Qt::MouseButton::LeftButton, Qt::NoButton, Qt::NoModifier, Qt::MouseEventSynthesizedByApplication);
    QApplication::instance()->sendEvent(window, &pressEvent);
    QApplication::instance()->sendEvent(window, &releaseEvent);
}

/*!
 * \brief Click center of child item of given QQuickItem
 * \param item Item which child to click
 * \param childObjectName Object name of the child to click
 */
void AutomationHelper::clickChildObject(QQuickItem* item, QString childObjectName)
{
    QQuickItem* obj = findChildObject(item, childObjectName);
    if (!obj) {
        qWarning()<<"No such child "<<childObjectName<<" for "<<item;
        return;
    }

    click(obj);
}

/*!
 * \brief Find child item of given QQuickItem
 *
 * This function is needed for exposing findChildObject to QML
 * \param item Item which child to find
 * \param childObjectName Object name of the child to find
 * \return found child
 */
QQuickItem* AutomationHelper::findChildObject(QQuickItem* item, QString childObjectName)
{
    return item->findChild<QQuickItem*>(childObjectName);
}