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

#include "vtkChartPie.h"
#include "vtkColorSeries.h"
#include "vtkContextScene.h"
#include "vtkContextView.h"
#include "vtkIntArray.h"
#include "vtkNew.h"
#include "vtkPlot.h"
#include "vtkPlotPie.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
#include "vtkStringArray.h"
#include "vtkTable.h"

#define NUM_ITEMS (5)
static int data[] = { 77938, 9109, 2070, 12806, 19514 };
// static int data[] = {200,200,200,200,200};
static const char* labels[] = { "Books", "New and Popular", "Periodical", "Audiobook", "Video" };

//------------------------------------------------------------------------------
int TestPieChart(int, char*[])
{
  // Set up a 2D scene, add an XY chart to it
  vtkNew<vtkContextView> view;
  view->GetRenderer()->SetBackground(1.0, 1.0, 1.0);
  view->GetRenderWindow()->SetSize(600, 350);
  vtkNew<vtkChartPie> chart;
  view->GetScene()->AddItem(chart);

  // Create a table with some points in it...
  vtkNew<vtkTable> table;

  vtkNew<vtkIntArray> arrData;
  vtkNew<vtkStringArray> labelArray;

  arrData->SetName("2008 Circulation");
  for (int i = 0; i < NUM_ITEMS; i++)
  {
    arrData->InsertNextValue(data[i]);
    labelArray->InsertNextValue(labels[i]);
  }

  table->AddColumn(arrData);

  // Create a color series to use with our stacks.
  vtkNew<vtkColorSeries> colorSeries;
  colorSeries->SetColorScheme(vtkColorSeries::WARM);

  // Add multiple line plots, setting the colors etc
  vtkPlotPie* pie = vtkPlotPie::SafeDownCast(chart->AddPlot(0));
  pie->SetColorSeries(colorSeries);
  pie->SetInputData(table);
  pie->SetInputArray(0, "2008 Circulation");
  pie->SetLabels(labelArray);

  chart->SetShowLegend(true);

  chart->SetTitle("Circulation 2008");

  // Finally render the scene and compare the image to a reference image
  view->GetRenderWindow()->SetMultiSamples(0);
  view->GetInteractor()->Initialize();
  view->GetInteractor()->Start();

  return EXIT_SUCCESS;
}