#include "NavigationItemModel.h"

#include <QDir>
#include <QFile>

NavigationItemModel::NavigationItemModel(QObject *parent) : QObject(parent),
    mImageSource("qrc:/default_image"),
    mParentItem(qobject_cast<NavigationItemModel*>(parent))
{
    qRegisterMetaType<NavigationItemModel*>("NavigationItemModel*");
}

QString NavigationItemModel::getImageSource() const
{
    return mImageSource;
}

QString NavigationItemModel::getPath() const
{
    return mPath;
}

void NavigationItemModel::onClicked()
{
    emit clicked();
}

bool NavigationItemModel::setPath(const QString &path)
{
    auto dir = QDir(path);
    if(!dir.exists()) return false;

    mPath = path;

    /// @todo move default image to qrc
    auto source = dir.filePath("image.jpg");
    if(QFile(source).exists())
        mImageSource = "file:///" + source;
    else
        mImageSource = "file:///home/ar/source/LenaPi/pics/benjamin.jpeg";

     emit imageSourceChanged();

    return true;
}

bool NavigationItemModel::isCircleDelegate() const
{
    return hasChildren();
}

bool NavigationItemModel::isRoot() const
{
    return !mParentItem;
}

NavigationItemModel *NavigationItemModel::getParentItem()
{
    return mParentItem;
}

bool NavigationItemModel::hasChildren() const
{
    return !mChildren.isEmpty();
}

QList<NavigationItemModel *> NavigationItemModel::getChildren()
{
    return mChildren;
}

QList<NavigationItemModel *> NavigationItemModel::getSiblings()
{
    if(isRoot()){
        return QList<NavigationItemModel*>();
    } else{
        return mParentItem->getChildren();
    }

}

void NavigationItemModel::appendChild(NavigationItemModel *item)
{
    item->setParent(this);
    mChildren.append(item);
}

void NavigationItemModel::clearChildren()
{
    for(const auto& child : mChildren){
        child->deleteLater();
    }
    mChildren.clear();
}