// Copyright (c) 2012-2013, IGN France.
// Copyright (c) 2012-2024, Oslandia.
// Copyright (c) 2024-2026, SFCGAL team.
// SPDX-License-Identifier: LGPL-2.0-or-later

#include "SFCGAL/detail/GetPointsVisitor.h"

#include "SFCGAL/GeometryCollection.h"
#include "SFCGAL/LineString.h"
#include "SFCGAL/MultiLineString.h"
#include "SFCGAL/MultiPoint.h"
#include "SFCGAL/MultiPolygon.h"
#include "SFCGAL/MultiSolid.h"
#include "SFCGAL/NURBSCurve.h"
#include "SFCGAL/Point.h"
#include "SFCGAL/Polygon.h"
#include "SFCGAL/PolyhedralSurface.h"
#include "SFCGAL/Solid.h"
#include "SFCGAL/Triangle.h"
#include "SFCGAL/TriangulatedSurface.h"

namespace SFCGAL::detail {

void
GetPointsVisitor::visit(const Point &g)
{
  points.push_back(&g);
}

void
GetPointsVisitor::visit(const LineString &g)
{
  for (size_t i = 0; i < g.numPoints(); i++) {
    visit(g.pointN(i));
  }
}

void
GetPointsVisitor::visit(const Polygon &g)
{
  for (size_t i = 0; i < g.numRings(); i++) {
    visit(g.ringN(i));
  }
}

void
GetPointsVisitor::visit(const Triangle &g)
{
  visit(g.vertex(0));
  visit(g.vertex(1));
  visit(g.vertex(2));
}

void
GetPointsVisitor::visit(const Solid &g)
{
  for (size_t i = 0; i < g.numShells(); i++) {
    visit(g.shellN(i));
  }
}

void
GetPointsVisitor::visit(const MultiPoint &g)
{
  for (size_t i = 0; i < g.numGeometries(); i++) {
    visit(g.pointN(i));
  }
}

void
GetPointsVisitor::visit(const MultiLineString &g)
{
  for (size_t i = 0; i < g.numGeometries(); i++) {
    visit(g.lineStringN(i));
  }
}

void
GetPointsVisitor::visit(const MultiPolygon &g)
{
  for (size_t i = 0; i < g.numGeometries(); i++) {
    visit(g.polygonN(i));
  }
}

void
GetPointsVisitor::visit(const MultiSolid &g)
{
  for (size_t i = 0; i < g.numGeometries(); i++) {
    visit(g.solidN(i));
  }
}

void
GetPointsVisitor::visit(const GeometryCollection &g)
{
  for (size_t i = 0; i < g.numGeometries(); i++) {
    g.geometryN(i).accept(*this);
  }
}

void
GetPointsVisitor::visit(const PolyhedralSurface &g)
{
  for (size_t i = 0; i < g.numPatches(); i++) {
    visit(g.patchN(i));
  }
}

void
GetPointsVisitor::visit(const TriangulatedSurface &g)
{
  for (size_t i = 0; i < g.numPatches(); i++) {
    visit(g.patchN(i));
  }
}

void
GetPointsVisitor::visit(const NURBSCurve &g)
{
  // Use control points to avoid dangling pointers from temporary tessellation
  // Control points are permanent parts of the geometry structure
  for (size_t i = 0; i < g.numControlPoints(); i++) {
    visit(g.controlPointN(i));
  }
}

} // namespace SFCGAL::detail
