#ifndef MAINGLWIDGET_H
#define MAINGLWIDGET_H

#include <glm/fwd.hpp>
#include <memory>
#include <QEvent>
#include <QOpenGLWidget>
#include <QMenu>

class BasePart;
class HandleFace;
class MainWindow;

class MainGLWidget : public QOpenGLWidget {
public:
    MainGLWidget(QWidget *parent = nullptr);
    void updateCycle();
    std::shared_ptr<BasePart> lastPart;

    void buildContextMenu();
protected:
    void initializeGL() override;
    void resizeGL(int w, int h) override;
    void paintGL() override;

    void handleCameraRotate(QMouseEvent* evt);
    void handleObjectDrag(QMouseEvent* evt);
    void handleLinearTransform(QMouseEvent* evt);
    void handleRotationalTransform(QMouseEvent* evt);
    void handleCursorChange(QMouseEvent* evt);
    bool handlePartClick(QMouseEvent* evt);
    void startLinearTransform(QMouseEvent* evt);
    std::optional<HandleFace> raycastHandle(glm::vec3 pointDir);

    void wheelEvent(QWheelEvent* evt) override;
    void mouseMoveEvent(QMouseEvent* evt) override;
    void mousePressEvent(QMouseEvent* evt) override;
    void mouseReleaseEvent(QMouseEvent* evt) override;
    void keyPressEvent(QKeyEvent* evt) override;
    void keyReleaseEvent(QKeyEvent* evt) override;

    QMenu contextMenu;

    MainWindow* mainWindow();
    float snappingFactor();

    QRect selectionLasso;
};

#endif // MAINGLWIDGET_H