#ifndef SCIQLOP_VISUALIZATIONCONTROLLER_H
#define SCIQLOP_VISUALIZATIONCONTROLLER_H

#include "CoreGlobal.h"

#include <Common/spimpl.h>
#include <Data/DateTimeRange.h>
#include <QLoggingCategory>
#include <QObject>
#include <QUuid>

Q_DECLARE_LOGGING_CATEGORY(LOG_VisualizationController)

class DataSourceItem;
class Variable2;

/**
 * @brief The VisualizationController class aims to make the link between
 * SciQlop and its plugins. This is the intermediate class that SciQlop has to
 * use in the way to connect a data source. Please first use register method to
 * initialize a plugin specified by its metadata name (JSON plugin source) then
 * others specifics method will be able to access it. You can load a data source
 * driver plugin then create a data source.
 */
class SCIQLOP_CORE_EXPORT VisualizationController : public QObject
{
  Q_OBJECT
public:
  explicit VisualizationController(QObject* parent = 0);
  virtual ~VisualizationController();

signals:
  /// Signal emitted when a variable is about to be deleted from SciQlop
  void variableAboutToBeDeleted(std::shared_ptr<Variable2> variable);

  /// Signal emitted when a data acquisition is requested on a range for a
  /// variable
  void rangeChanged(std::shared_ptr<Variable2> variable,
                    const DateTimeRange& range);

public slots:
  /// Manage init/end of the controller
  void initialize();
  void finalize();

private:
  void waitForFinish();

  class VisualizationControllerPrivate;
  spimpl::unique_impl_ptr<VisualizationControllerPrivate> impl;
};

#endif // SCIQLOP_VISUALIZATIONCONTROLLER_H