// Unnamed CAD Software
//
// License: GPLv3 (or later)
// Language: C++17
// Notes:
//     - use a right-handed, Z-up coordinate system to match Open CASCADE

#ifndef APPLICATIONCONTROLLER_H
#define APPLICATIONCONTROLLER_H

#include <QObject>
#include <gp_Pnt.hxx>
#include <gp_Ax2.hxx>

class Document;
class MainWindow;
class SketchFeature;

class ApplicationController : public QObject
{
    Q_OBJECT
public:
    enum ToolType {
        None,
        Line,
        Rectangle,
        Circle
    };
    Q_ENUM(ToolType)

    explicit ApplicationController(QObject *parent = nullptr);
    ~ApplicationController();

    void setMainWindow(MainWindow* mainWindow);
    Document* document() const;
    SketchFeature* activeSketch() const;
    ToolType activeTool() const;

public slots:
    void setActiveTool(ToolType tool);
    void addLine(const gp_Pnt& start, const gp_Pnt& end);
    void addRectangle(const gp_Pnt& corner1, const gp_Pnt& corner2);
    void addCircle(const gp_Pnt& center, double radius);
    void newDocument();
    bool openDocument();
    bool saveDocument();
    bool saveDocumentAs();

    void beginSketchCreation();
    void onPlaneSelected(const gp_Ax2& plane);
    void endSketch();

signals:
    void planeSelectionModeStarted();
    void sketchModeStarted(const gp_Ax2& plane);
    void sketchModeEnded();
    void currentFileChanged(const QString& path);
    void activeToolChanged(ToolType tool);

private:
    ApplicationController(const ApplicationController&) = delete;
    ApplicationController& operator=(const ApplicationController&) = delete;

    void setCurrentFile(const QString& fileName);

    Document* m_document;
    QString m_currentFile;
    MainWindow* m_mainWindow = nullptr;
    SketchFeature* m_activeSketch = nullptr;
    ToolType m_activeTool = ToolType::None;
};

#endif // APPLICATIONCONTROLLER_H