// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause

/**
 * @class   vtkPlot3D
 * @brief   Abstract class for 3D plots.
 *
 *
 * The base class for all plot types used in vtkChart derived charts.
 *
 * @sa
 * vtkPlot3DPoints vtkPlot3DLine vtkPlot3DBar vtkChart vtkChartXY
 */

#ifndef vtkPlot3D_h
#define vtkPlot3D_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkContextItem.h"
#include "vtkNew.h"          // Needed to hold vtkNew ivars
#include "vtkSmartPointer.h" // Needed to hold SP ivars
#include "vtkVector.h"       // For Points ivar
#include <vector>            // For ivars

VTK_ABI_NAMESPACE_BEGIN
class vtkChartXYZ;
class vtkDataArray;
class vtkIdTypeArray;
class vtkPoints;
class vtkTable;
class vtkUnsignedCharArray;
class vtkPen;

class VTKCHARTSCORE_EXPORT vtkPlot3D : public vtkContextItem
{
public:
  vtkTypeMacro(vtkPlot3D, vtkContextItem);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  ///@{
  /**
   * Set/get the vtkPen object that controls how this plot draws (out)lines.
   */
  void SetPen(vtkPen* pen);
  vtkPen* GetPen();
  ///@}

  ///@{
  /**
   * Set/get the vtkPen object that controls how this plot draws (out)lines.
   */
  void SetSelectionPen(vtkPen* pen);
  vtkPen* GetSelectionPen();
  ///@}

  ///@{
  /**
   * Set the input to the plot.
   */
  virtual void SetInputData(vtkTable* input);
  virtual void SetInputData(vtkTable* input, const vtkStdString& xName, const vtkStdString& yName,
    const vtkStdString& zName);
  virtual void SetInputData(vtkTable* input, const vtkStdString& xName, const vtkStdString& yName,
    const vtkStdString& zName, const vtkStdString& colorName);
  virtual void SetInputData(
    vtkTable* input, vtkIdType xColumn, vtkIdType yColumn, vtkIdType zColumn);
  ///@}

  /**
   * Set the color of each point in the plot.  The input is a single component
   * scalar array.  The values of this array will be passed through a lookup
   * table to generate the color for each data point in the plot.
   */
  virtual void SetColors(vtkDataArray* colorArr);

  /**
   * Get all the data points within this plot.
   */
  vtkPoints* GetVTKPoints() { return this->Points; }

  /**
   * Get a copy of all the data points.
   * TODO: Maybe deprecate this function, remove it and rename GetVTKPoints -> GetPoints.
   */
  std::vector<vtkVector3f> GetPoints();

  ///@{
  /**
   * Get/set the chart for this plot.
   */
  vtkGetObjectMacro(Chart, vtkChartXYZ);
  virtual void SetChart(vtkChartXYZ* chart);
  ///@}

  /**
   * Get the label for the X axis.
   */
  std::string GetXAxisLabel();

  /**
   * Get the label for the Y axis.
   */
  std::string GetYAxisLabel();

  /**
   * Get the label for the Z axis.
   */
  std::string GetZAxisLabel();

  /**
   * Get the bounding cube surrounding the currently rendered data points.
   */
  std::vector<vtkVector3f> GetDataBounds() { return this->DataBounds; }

  ///@{
  /**
   * Set/get the selection array for the plot.
   */
  virtual void SetSelection(vtkIdTypeArray* id);
  virtual vtkIdTypeArray* GetSelection();
  ///@}

protected:
  vtkPlot3D();
  ~vtkPlot3D() override;

  /**
   * Generate a bounding cube for our data.
   */
  virtual void ComputeDataBounds();

  /**
   * This object stores the vtkPen that controls how the plot is drawn.
   */
  vtkSmartPointer<vtkPen> Pen;

  /**
   * This object stores the vtkPen that controls how the plot is drawn.
   */
  vtkSmartPointer<vtkPen> SelectionPen;

  /**
   * This array assigns a color to each datum in the plot.
   */
  vtkNew<vtkUnsignedCharArray> Colors;

  /**
   * Number of components in our color vectors.  This value is initialized
   * to zero.  It's typically set to 3 or 4 if the points are to be colored.
   */
  int NumberOfComponents;

  /**
   * The label for the X Axis.
   */
  std::string XAxisLabel;

  /**
   * The label for the Y Axis.
   */
  std::string YAxisLabel;

  /**
   * The label for the Z Axis.
   */
  std::string ZAxisLabel;

  /**
   * The data points read in during SetInputData().
   */
  vtkNew<vtkPoints> Points;

  /**
   * When the points were last built.
   */
  vtkTimeStamp PointsBuildTime;

  /**
   * The chart containing this plot.
   */
  vtkChartXYZ* Chart;

  /**
   * A bounding cube surrounding the currently rendered data points.
   */
  std::vector<vtkVector3f> DataBounds;

  /**
   * Selected indices for the table the plot is rendering
   */
  vtkSmartPointer<vtkIdTypeArray> Selection;

private:
  vtkPlot3D(const vtkPlot3D&) = delete;
  void operator=(const vtkPlot3D&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif // vtkPlot3D_h
