#include "KeyboardManager.h"

#include "Keyboard.h"

KeyboardManager* KeyboardManager::getInstance()
{
    static KeyboardManager instance;
    return &instance;
}

KeyboardManager::KeyboardManager()
    : mKeyboard(new Keyboard())
{
    connect(mKeyboard, &Keyboard::keyboardHided, this, &KeyboardManager::restoreInputWidget);
}

KeyboardManager::~KeyboardManager()
{
    mKeyboard->deleteLater();
}

void KeyboardManager::showKeyboard(QWidget* aInputWidget)
{
    if (nullptr == aInputWidget)
    {
        return;
    }
    mKeyboard->setEdit(aInputWidget);
    //QPoint position = aInputWidget->mapToGlobal(QPoint(0, 0));
    //mKeyboard->move(position.x(), position.y() + aInputWidget->height());
    moveInputWidget(aInputWidget);
    mKeyboard->show();
}

void KeyboardManager::hideKeyboard()
{
    mKeyboard->hideKeyboard();
}

void KeyboardManager::moveInputWidget(QWidget* aInputWidget)
{
    if (nullptr == aInputWidget)
    {
        return;
    }
    QPoint pos = aInputWidget->mapToGlobal(QPoint(0, 0));
    int distance = pos.y() + aInputWidget->height() - 1080 + mKeyboard->height();
    if (distance > 0)
    {
        while (nullptr != aInputWidget)
        {
            aInputWidget = aInputWidget->parentWidget();
            if (aInputWidget->inherits("QDialog"))
            {
                pos = aInputWidget->mapToGlobal(QPoint(0, 0));
                mMovedDistance = distance + 5;
                mMovedWidget = QPointer<QWidget>(aInputWidget);
                aInputWidget->move(pos.x(), pos.y() - mMovedDistance);
                break;
            }
        }
    }
}

void KeyboardManager::restoreInputWidget()
{
    if (mMovedWidget)
    {
        QPoint pos = mMovedWidget->mapToGlobal(QPoint(0, 0));
        mMovedWidget->move(pos.x(), pos.y() + mMovedDistance);
    }
    mMovedWidget.clear();
    mMovedDistance = 0;
}