/*##############################################################################
## Author: Shaun Reed                                                         ##
## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
## About: Main window for Qt6 OpenGL widget application                       ##
##                                                                            ##
## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
##############################################################################*/
#ifndef QTK_QTKWIDGET_H
#define QTK_QTKWIDGET_H

#include <iostream>

#include <QMatrix4x4>
#include <QOpenGLDebugLogger>
#include <QOpenGLFunctions>
#include <QOpenGLWidget>

#include <abstractscene.h>
#include <qtkapi.h>

namespace Qtk {
  class QTKAPI QtkWidget : public QOpenGLWidget, protected QOpenGLFunctions {
      Q_OBJECT;

    public:
      // Constructors
      QtkWidget();
      explicit QtkWidget(QWidget * parent);
      explicit QtkWidget(const QSurfaceFormat & format);
      ~QtkWidget() override;

    private:
      void teardownGL();

    public:
      // Inherited virtual Members
      void paintGL() override;
      void initializeGL() override;
      void resizeGL(int width, int height) override;

      inline Qtk::Scene * getScene() { return mScene; }

      inline void setScene(Qtk::Scene * scene) {
        delete mScene;

        mScene = scene;
      }

    protected slots:
      void update();
#ifdef QTK_DEBUG
      static void messageLogged(const QOpenGLDebugMessage & msg);
#endif

      // Protected Helpers
    protected:
      void keyPressEvent(QKeyEvent * event) override;
      void keyReleaseEvent(QKeyEvent * event) override;
      void mousePressEvent(QMouseEvent * event) override;
      void mouseReleaseEvent(QMouseEvent * event) override;

    private:
      // Private helpers
      void initializeWidget();
      static void updateCameraInput();

      Qtk::Scene * mScene;
#ifdef QTK_DEBUG
      void printContextInformation();
      QOpenGLDebugLogger * mDebugLogger;
#endif
  };
}  // namespace Qtk

#endif  // QTK_QTKWIDGET_H