#include "MultyMessageDialogManager.h"

#include <QMutexLocker>

namespace
{
    const int DIALOGS_MARGIN = 30;
    const int GEOMETY_X = 1620;
    const int GEOMETY_Y = 30;
}
MultyMessageDialogManager* MultyMessageDialogManager::getInstance()
{
    static MultyMessageDialogManager instance;
    return &instance;
}

MultyMessageDialogManager::MultyMessageDialogManager()
    : QObject()
    , mDialogParent(nullptr)
    , mDialogList()
    , mMutex()
{
}

MultyMessageDialogManager::~MultyMessageDialogManager()
{
}

void MultyMessageDialogManager::setDialogParent(QWidget* aParent)
{
    mDialogParent = aParent;
}

void MultyMessageDialogManager::raiseDialog(const QString& aMessage,MessageLevel aMessageLevel)
{
    QMutexLocker locker(&mMutex);
    MultyMessageDialog* dialog = new MultyMessageDialog(aMessage,aMessageLevel,mDialogParent);
    mDialogList.append(dialog);
    int yDistance = GEOMETY_Y;
    for (int i = 0; i < mDialogList.count() - 1; ++i)
    {
        yDistance += mDialogList.at(i)->size().height() + DIALOGS_MARGIN;        
    }

    dialog->move(GEOMETY_X,yDistance);
    dialog->show();
    connect(dialog,&MultyMessageDialog::dialogDestroyed,this,&MultyMessageDialogManager::removeDestoryedDialog);
    if(aMessageLevel == MessageLevel::Warning || aMessageLevel == MessageLevel::Error)
    {
        emit warningMessageAdded(aMessage);
    }
}

void MultyMessageDialogManager::removeDestoryedDialog()
{
    QMutexLocker locker(&mMutex);
    MultyMessageDialog* dialog = qobject_cast<MultyMessageDialog*>(sender());
    if (nullptr == dialog)
    {
        return;
    }
    int index = mDialogList.indexOf(dialog);
    if (index >= 0)
    {
        mDialogList.removeAt(index);
        for (int i = 0; i < mDialogList.count(); ++i)
        {
            MultyMessageDialog* target = mDialogList.at(i);
            target->stopShowAnimation();
            QPoint position = target->mapToGlobal(QPoint(0, 0));
            target->move(position.x(),position.y()-dialog->height()-DIALOGS_MARGIN);    
        }        
    }
}