#pragma once

#include <openvr.h>
#include <QtCore/QtCore>
// because of incompatibilities with QtOpenGL and GLEW we need to cherry pick
// includes
#include <QVector2D>
#include <QMatrix4x4>
#include <QVector>
#include <QVector2D>
#include <QVector3D>
#include <QObject>
#include <QSettings>
#include <QQmlEngine>
#include <QtGui/QOpenGLContext>
#include <QtWidgets/QGraphicsScene>
#include <QOffscreenSurface>
#include <QOpenGLFramebufferObject>
#include <QQuickWindow>
#include <QQuickItem>
#include <QQuickRenderControl>
#include <QSoundEffect>
#include <memory>
#include <easylogging++.h>
#include "utils/ChaperoneUtils.h"

#include "tabcontrollers/SteamVRTabController.h"
#include "tabcontrollers/ChaperoneTabController.h"
#include "tabcontrollers/MoveCenterTabController.h"
#include "tabcontrollers/FixFloorTabController.h"
#include "tabcontrollers/AudioTabController.h"
#include "tabcontrollers/StatisticsTabController.h"
#include "tabcontrollers/SettingsTabController.h"
#include "tabcontrollers/ReviveTabController.h"
#include "tabcontrollers/UtilitiesTabController.h"
#include "tabcontrollers/AccessibilityTabController.h"

// application namespace
namespace advsettings
{
class OverlayController : public QObject
{
    Q_OBJECT
    Q_PROPERTY( bool desktopMode READ isDesktopMode )

public:
    static constexpr const char* applicationKey = "matzman666.AdvancedSettings";
    static constexpr const char* applicationName = "Advanced Settings";
    static constexpr const char* applicationVersionString = "v2.8.0";

private:
    vr::VROverlayHandle_t m_ulOverlayHandle = vr::k_ulOverlayHandleInvalid;
    vr::VROverlayHandle_t m_ulOverlayThumbnailHandle
        = vr::k_ulOverlayHandleInvalid;

    std::unique_ptr<QQuickRenderControl> m_pRenderControl;
    std::unique_ptr<QQuickWindow> m_pWindow;
    std::unique_ptr<QOpenGLFramebufferObject> m_pFbo;
    std::unique_ptr<QOpenGLContext> m_pOpenGLContext;
    std::unique_ptr<QOffscreenSurface> m_pOffscreenSurface;

    std::unique_ptr<QTimer> m_pPumpEventsTimer;
    std::unique_ptr<QTimer> m_pRenderTimer;
    bool dashboardVisible = false;

    QPoint m_ptLastMouse;
    Qt::MouseButtons m_lastMouseButtons = 0;

    bool desktopMode;
    bool noSound;

    QUrl m_runtimePathUrl;

    utils::ChaperoneUtils m_chaperoneUtils;

    QSoundEffect activationSoundEffect;
    QSoundEffect focusChangedSoundEffect;
    QSoundEffect alarm01SoundEffect;

public: // I know it's an ugly hack to make them public to enable external
        // access, but I am too lazy to implement getters.
    SteamVRTabController steamVRTabController;
    ChaperoneTabController chaperoneTabController;
    MoveCenterTabController moveCenterTabController;
    FixFloorTabController fixFloorTabController;
    AudioTabController audioTabController;
    StatisticsTabController statisticsTabController;
    SettingsTabController settingsTabController;
    ReviveTabController reviveTabController;
    UtilitiesTabController utilitiesTabController;
    AccessibilityTabController accessibilityTabController;

private:
    OverlayController( bool desktopMode, bool noSound )
        : QObject(), desktopMode( desktopMode ), noSound( noSound )
    {
    }
    QPoint getMousePositionForEvent( vr::VREvent_Mouse_t mouse );

public:
    virtual ~OverlayController();

    void Init( QQmlEngine* qmlEngine );
    void Shutdown();

    bool isDashboardVisible()
    {
        return dashboardVisible;
    }

    void SetWidget( QQuickItem* quickItem,
                    const std::string& name,
                    const std::string& key = "" );

    void AddOffsetToUniverseCenter( vr::ETrackingUniverseOrigin universe,
                                    unsigned axisId,
                                    float offset,
                                    bool adjustBounds = true,
                                    bool commit = true );
    void AddOffsetToUniverseCenter( vr::ETrackingUniverseOrigin universe,
                                    float offset[3],
                                    bool adjustBounds = true,
                                    bool commit = true );
    void RotateUniverseCenter( vr::ETrackingUniverseOrigin universe,
                               float yAngle,
                               bool adjustBounds = true,
                               bool commit = true ); // around y axis
    void AddOffsetToCollisionBounds( unsigned axisId,
                                     float offset,
                                     bool commit = true );
    void AddOffsetToCollisionBounds( float offset[3], bool commit = true );
    void RotateCollisionBounds( float angle,
                                bool commit = true ); // around y axis

    bool isDesktopMode()
    {
        return desktopMode;
    };

    utils::ChaperoneUtils& chaperoneUtils() noexcept
    {
        return m_chaperoneUtils;
    }

    Q_INVOKABLE QString getVersionString();
    Q_INVOKABLE QUrl getVRRuntimePathUrl();

    Q_INVOKABLE bool soundDisabled();

    const vr::VROverlayHandle_t& overlayHandle();
    const vr::VROverlayHandle_t& overlayThumbnailHandle();

    bool pollNextEvent( vr::VROverlayHandle_t ulOverlayHandle,
                        vr::VREvent_t* pEvent );

public slots:
    void renderOverlay();
    void OnRenderRequest();
    void OnTimeoutPumpEvents();

    void showKeyboard( QString existingText, unsigned long userValue = 0 );

    void playActivationSound();
    void playFocusChangedSound();
    void playAlarm01Sound( bool loop = false );
    void setAlarm01SoundVolume( float vol );
    void cancelAlarm01Sound();

signals:
    void keyBoardInputSignal( QString input, unsigned long userValue = 0 );

private:
    static QSettings* _appSettings;
    static std::unique_ptr<OverlayController> singleton;

public:
    static OverlayController* getInstance()
    {
        return singleton.get();
    }

    static OverlayController* createInstance( bool desktopMode, bool noSound )
    {
        singleton.reset(
            new advsettings::OverlayController( desktopMode, noSound ) );
        return singleton.get();
    }

    static QSettings* appSettings()
    {
        return _appSettings;
    }

    static void setAppSettings( QSettings* settings )
    {
        _appSettings = settings;
    }
};

} // namespace advsettings