#pragma once

#ifndef TOONZVECTORBRUSHTOOL_H

#define TOONZVECTORBRUSHTOOL_H

#include "tgeometry.h"

#include "tproperty.h"

#include "trasterimage.h"

#include "ttoonzimage.h"

#include "tstroke.h"

#include "toonz/strokegenerator.h"

#include "tools/tool.h"

#include "tools/cursors.h"

#include "toonzrasterbrushtool.h"

#include <QCoreApplication>

#include <QRadialGradient>

//--------------------------------------------------------------

//  Forward declarations

class TTileSetCM32;

class TTileSaverCM32;

class RasterStrokeGenerator;

class BluredBrush;

//--------------------------------------------------------------

//************************************************************************

//    Brush Data declaration

//************************************************************************

struct VectorBrushData final : public TPersist {

  PERSIST_DECLARATION(VectorBrushData)

  // frameRange, snapSensitivity and snap are not included

  // Those options are not really a part of the brush settings,

  // just the overall tool.

  std::wstring m_name;

  double m_min, m_max, m_acc, m_smooth;

  bool m_breakAngles, m_pressure;

  int m_cap, m_join, m_miter;

  VectorBrushData();

  VectorBrushData(const std::wstring &name);

  bool operator<(const VectorBrushData &other) const {

    return m_name < other.m_name;

  }

  void saveData(TOStream &os) override;

  void loadData(TIStream &is) override;

};

//************************************************************************

//    Brush Preset Manager declaration

//************************************************************************

class VectorBrushPresetManager {

  TFilePath m_fp;                       //!< Presets file path

  std::set<VectorBrushData> m_presets;  //!< Current presets container

public:

  VectorBrushPresetManager() {}

  void load(const TFilePath &fp);

  void save();

  const TFilePath &path() { return m_fp; };

  const std::set<VectorBrushData> &presets() const { return m_presets; }

  void addPreset(const VectorBrushData &data);

  void removePreset(const std::wstring &name);

};

//************************************************************************

//    Brush Tool declaration

//************************************************************************

class ToonzVectorBrushTool final : public TTool {

  Q_DECLARE_TR_FUNCTIONS(ToonzVectorBrushTool)

public:

  ToonzVectorBrushTool(std::string name, int targetType);

  ToolType getToolType() const override { return TTool::LevelWriteTool; }

  ToolOptionsBox *createOptionsBox() override;

  void updateTranslation() override;

  void onActivate() override;

  void onDeactivate() override;

  bool preLeftButtonDown() override;

  void leftButtonDown(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonUp(const TPointD &pos, const TMouseEvent &e) override;

  void mouseMove(const TPointD &pos, const TMouseEvent &e) override;

  bool keyDown(QKeyEvent *event) override;

  void draw() override;

  void onEnter() override;

  void onLeave() override;

  int getCursorId() const override {

    if (m_viewer && m_viewer->getGuidedStrokePickerMode())

      return m_viewer->getGuidedStrokePickerCursor();

    return ToolCursor::PenCursor;

  }

  TPropertyGroup *getProperties(int targetType) override;

  bool onPropertyChanged(std::string propertyName) override;

  void resetFrameRange();

  void initPresets();

  void loadPreset();

  void addPreset(QString name);

  void removePreset();

  void loadLastBrush();

  // return true if the pencil mode is active in the Brush / PaintBrush / Eraser

  // Tools.

  bool isPencilModeActive() override;

  void addTrackPoint(const TThickPoint &point, double pixelSize2);

  void flushTrackPoint();

  bool doFrameRangeStrokes(TFrameId firstFrameId, TStroke *firstStroke,

                           TFrameId lastFrameId, TStroke *lastStroke,

                           int interpolationType, bool breakAngles,

                           bool autoGroup = false, bool autoFill = false,

                           bool drawFirstStroke = true,

                           bool drawLastStroke = true, bool withUndo = true);

  void checkGuideSnapping(bool beforeMousePress, bool invertCheck);

  void checkStrokeSnapping(bool beforeMousePress, bool invertCheck);

  bool doGuidedAutoInbetween(TFrameId cFid, const TVectorImageP &cvi,

                             TStroke *cStroke, bool breakAngles,

                             bool autoGroup = false, bool autoFill = false,

                             bool drawStroke = true);

protected:

  TPropertyGroup m_prop[2];

  TDoublePairProperty m_thickness;

  TDoubleProperty m_accuracy;

  TDoubleProperty m_smooth;

  TEnumProperty m_preset;

  TBoolProperty m_breakAngles;

  TBoolProperty m_pressure;

  TBoolProperty m_snap;

  TEnumProperty m_frameRange;

  TEnumProperty m_snapSensitivity;

  TEnumProperty m_capStyle;

  TEnumProperty m_joinStyle;

  TIntProperty m_miterJoinLimit;

  StrokeGenerator m_track;

  StrokeGenerator m_rangeTrack;

  RasterStrokeGenerator *m_rasterTrack;

  TStroke *m_firstStroke;

  TTileSetCM32 *m_tileSet;

  TTileSaverCM32 *m_tileSaver;

  TFrameId m_firstFrameId, m_veryFirstFrameId;

  TPixel32 m_currentColor;

  int m_styleId;

  double m_minThick, m_maxThick;

  // for snapping and framerange

  int m_strokeIndex1, m_strokeIndex2, m_col, m_firstFrame, m_veryFirstFrame,

      m_veryFirstCol, m_targetType;

  double m_w1, m_w2, m_pixelSize, m_currThickness, m_minDistance2;

  bool m_foundFirstSnap = false, m_foundLastSnap = false, m_dragDraw = true,

       m_altPressed = false, m_snapSelf = false;

  TRectD m_modifiedRegion;

  TPointD m_dpiScale,

      m_mousePos,  //!< Current mouse position, in world coordinates.

      m_brushPos,  //!< World position the brush will be painted at.

      m_firstSnapPoint, m_lastSnapPoint;

  BluredBrush *m_bluredBrush;

  QRadialGradient m_brushPad;

  TRasterCM32P m_backupRas;

  TRaster32P m_workRas;

  std::vector<TThickPoint> m_points;

  TRect m_strokeRect, m_lastRect;

  SmoothStroke m_smoothStroke;

  VectorBrushPresetManager

      m_presetsManager;  //!< Manager for presets of this tool instance

  bool m_active, m_enabled,

      m_isPrompting,  //!< Whether the tool is prompting for spline

                      //! substitution.

      m_firstTime, m_isPath, m_presetsLoaded, m_firstFrameRange;

  /*---

  作業中のFrameIdをクリック時に保存し、マウスリリース時（Undoの登録時）に別のフレームに

  移動していたときの不具合を修正する。---*/

  TFrameId m_workingFrameId;

  TPointD m_lastDragPos;        //!< Position where mouse was last dragged.

  TMouseEvent m_lastDragEvent;  //!< Previous mouse-drag event.

  bool m_propertyUpdating = false;

};

#endif  // TOONZVECTORBRUSHTOOL_H