#include "OpenDirAction.h"

#include <QFileDialog>
#include <QMenu>
#include <QSettings>

#include "IO/DICOM/DicomLoader.h"
#include "DICOMPropertiesStore.h"

OpenDirAction::OpenDirAction(const QString& aName,QWidget* aParent)
    : QAction(aName, aParent)
{
    connect(this,&QAction::triggered,this,&OpenDirAction::executeAction);
}

OpenDirAction::~OpenDirAction()
{

}

void OpenDirAction::executeAction()
{
    QString cachePath = QDir::currentPath()+"/.cache";
    if (!QFile::exists(cachePath))
    {
        QFile cache(cachePath);
        cache.open(QFile::NewOnly);
        cache.close();
    }
    QSettings setting(cachePath,QSettings::IniFormat);
    
    QString path =  QFileDialog::getExistingDirectory(menu(),
            tr("Open Directory"), setting.contains("LastDir")?setting.value("LastDir").toString():QDir::currentPath(),
            QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
    
    DicomLoader::InitCodecs();
    setting.setValue("LastDir",path);
    std::string dir = path.toStdString();
    std::vector<ExtendMedicalImageProperties*> vector;
    int count = 0;
    DicomLoader::readPropertiesFromDir(dir,vector, count);
    DicomLoader::FinalizeCodecs();
    if( vector.empty()){
        emit dataLoaded(false);
        return;
    }
    DICOMPropertiesStore::GetInstance()->reset();
    for (auto item : vector) {
        DICOMPropertiesStore::GetInstance()->addProperty(item);
    }
    emit dataLoaded(true);
}