#include <QDebug>
#include <QTreeView>
#include <QTabBar>
#include <QSettings>
#include <QAction>
#include <QModelIndex>

// ctkDICOMWidgets includes
#include "ctkDICOMDatabase.h"
#include "ctkDICOMModel.h"
#include "ctkDICOMAppWidget.h"
#include "ctkDICOMQueryResultsTabWidget.h"
#include "ui_ctkDICOMAppWidget.h"
#include "ctkDirectoryButton.h"
#include "ctkDICOMQueryRetrieveWidget.h"


//logger
#include <ctkLogger.h>
static ctkLogger logger("org.commontk.DICOM.Widgets.ctkDICOMAppWidget");

//----------------------------------------------------------------------------
class ctkDICOMAppWidgetPrivate: public Ui_ctkDICOMAppWidget
{
public:
  ctkDICOMQueryRetrieveWidget* queryRetrieveWidget;

  ctkDICOMAppWidgetPrivate(){}
};

//----------------------------------------------------------------------------
// ctkDICOMAppWidgetPrivate methods


//----------------------------------------------------------------------------
// ctkDICOMAppWidget methods

//----------------------------------------------------------------------------
ctkDICOMAppWidget::ctkDICOMAppWidget(QWidget* _parent):Superclass(_parent), 
  d_ptr(new ctkDICOMAppWidgetPrivate)
{
  Q_D(ctkDICOMAppWidget);  

  d->setupUi(this);
  
  //Set toolbar button style
  d->toolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);

  d->queryRetrieveWidget = new ctkDICOMQueryRetrieveWidget();
  connect(d->directoryButton, SIGNAL(directoryChanged(const QString&)), this, SLOT(onDatabaseDirectoryChanged(const QString&)));

  //Set thumbnails width in thumbnail widget
  d->thumbnailsWidget->setThumbnailWidth(128);
  //Test add thumbnails
  d->thumbnailsWidget->addTestThumbnail();

  //connect signal and slots
  connect(d->treeView, SIGNAL(clicked(const QModelIndex&)), this, SLOT(onDICOMModelSelected(const QModelIndex &)));
  connect(d->thumbnailsWidget, SIGNAL(selected(const ctkDICOMThumbnailWidget&)), this, SLOT(onThumbnailSelected(const ctkDICOMThumbnailWidget&)));
}

//----------------------------------------------------------------------------
ctkDICOMAppWidget::~ctkDICOMAppWidget()
{
  Q_D(ctkDICOMAppWidget);  

  d->queryRetrieveWidget->deleteLater();
}

//----------------------------------------------------------------------------
void ctkDICOMAppWidget::onDatabaseDirectoryChanged(const QString& directory)
{
  //Q_D(ctkDICOMAppWidget);  

  QSettings settings;
  settings.setValue("DatabaseDirectory", directory);
  settings.sync();

  
}

void ctkDICOMAppWidget::onAddToDatabase()
{
  //Q_D(ctkDICOMAppWidget);

  //d->
}

//----------------------------------------------------------------------------
void ctkDICOMAppWidget::onImport(){

}

void ctkDICOMAppWidget::onExport(){

}

void ctkDICOMAppWidget::onQuery(){
  Q_D(ctkDICOMAppWidget);

  d->queryRetrieveWidget->show();
  d->queryRetrieveWidget->raise();
}

void ctkDICOMAppWidget::onDICOMModelSelected(const QModelIndex& index){
  Q_D(ctkDICOMAppWidget);

  //TODO: update thumbnails and previewer
  d->thumbnailsWidget->setModelIndex(index);
}

void ctkDICOMAppWidget::onThumbnailSelected(const ctkDICOMThumbnailWidget& widget){
  //TODO: update previewer
}