#pragma once
#include "vde/core/point.h"
#include "vde/core/line.h"
#include "vde/core/plane.h"
#include "vde/core/triangle.h"
#include "vde/core/aabb.h"

namespace vde::core {

// ── Point distances ──────────────────────────
double distance(const Point3D& a, const Point3D& b);
double distance(const Point3D& p, const Line3D<double>& line);
double distance(const Point3D& p, const Segment3D<double>& seg);
double distance(const Point3D& p, const Plane<double>& plane);
double distance(const Point3D& p, const Triangle<double>& tri);
double distance(const Point3D& p, const AABB<double>& box);

// ── Feature-pair distances ───────────────────
double distance(const Segment3D<double>& a, const Segment3D<double>& b);
double distance(const Line3D<double>& a, const Line3D<double>& b);
double distance(const AABB<double>& a, const AABB<double>& b);
double distance(const Triangle<double>& a, const Triangle<double>& b);

// ── Closest-point queries ────────────────────
Point3D closest_point(const Point3D& p, const Triangle<double>& tri);
Point3D closest_point(const Point3D& p, const Segment3D<double>& seg);
Point3D closest_point(const Point3D& p, const AABB<double>& box);
Point3D closest_point(const Point3D& p, const Plane<double>& plane);

}  // namespace vde::core