#pragma once

#include "ovd_base.h"

#include <string>
#include <vector>
#include <map>

namespace OpenViBE {
namespace Designer {
class CInterfacedScenario;

class CPlayerVisualization final : public VisualizationToolkit::ITreeViewCB
{
public:
	CPlayerVisualization(const Kernel::IKernelContext& ctx, VisualizationToolkit::IVisualizationTree& tree,
						 CInterfacedScenario& interfacedScenario)
		: m_kernelCtx(ctx), m_visualizationTree(tree), m_interfacedScenario(interfacedScenario) { }

	~CPlayerVisualization() override;

	void init();

	/** \name ITreeViewCB interface implementation */
	//@{
	GtkWidget* loadTreeWidget(VisualizationToolkit::IVisualizationWidget* widget) override;
	void endLoadTreeWidget(VisualizationToolkit::IVisualizationWidget* widget) override;
	bool setToolbar(const CIdentifier& boxID, GtkWidget* widget) override;
	bool setWidget(const CIdentifier& boxID, GtkWidget* widget) override;
	//@}

	void showTopLevelWindows();
	void hideTopLevelWindows();
	CInterfacedScenario& getInterfacedScenario() const { return m_interfacedScenario; }

protected:
	bool parentWidgetBox(VisualizationToolkit::IVisualizationWidget* widget, GtkBox* widgetBox);

	static gboolean configureEventCB(GtkWidget* widget, GdkEventConfigure* event, gpointer data);
	static gboolean widgetExposeEventCB(GtkWidget* widget, GdkEventExpose* event, gpointer data);
	void resizeCB(GtkContainer* container);

	//callbacks for DND
	static void dragDataGetFromWidgetCB(GtkWidget* srcWidget, GdkDragContext* dc, GtkSelectionData* selectionData, guint info, guint time, gpointer data);
	static void dragDataReceivedInWidgetCB(GtkWidget* dstWidget, GdkDragContext* dc, gint x, gint y, GtkSelectionData* selectionData, guint info, guint time,
										   gpointer data);

	//callback for toolbar
	static void toolbarButtonToggledCB(GtkToggleButton* button, gpointer data);
	bool toggleToolbarCB(GtkToggleButton* button);
	static gboolean toolbarDeleteEventCB(GtkWidget* widget, GdkEvent* event, gpointer data);
	bool deleteToolbarCB(GtkWidget* widget);

private:

	const Kernel::IKernelContext& m_kernelCtx;
	VisualizationToolkit::IVisualizationTree& m_visualizationTree;
	CInterfacedScenario& m_interfacedScenario;

	/**
	 * \brief Vector of top level windows
	 */
	std::vector<GtkWindow*> m_windows;

	/**
	 * \brief Map of split (paned) widgets associated to their identifiers
	 * This map is used to retrieve size properties of split widgets upon window resizing,
	 * so as to keep the relative sizes of a hierarchy of widgets
	 */
	std::map<GtkPaned*, CIdentifier> m_splitWidgets;

	/**
	 * \brief Map associating toolbar buttons to toolbar windows
	 */
	std::map<GtkToggleButton*, GtkWidget*> m_toolbars;

	/**
	 * \brief Pointer to active toolbar button
	 */
	GtkToggleButton* m_activeToolbarButton = nullptr;

	class CPluginWidgets
	{
	public:
		CPluginWidgets()  = default;
		~CPluginWidgets() = default;
		GtkWidget* m_Widget              = nullptr;
		GtkToggleButton* m_ToolbarButton = nullptr;
		GtkWidget* m_Toolbar             = nullptr;
	};

	/**
	 * \brief Map of visualization plugins
	 */
	std::map<CIdentifier, CPluginWidgets> m_plugins;
};
}  // namespace Designer
}  // namespace OpenViBE