/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527     */
/* without consent of either the College of William & Mary or     */
/* Pieter Peers.                                                  */
/******************************************************************/
#ifndef _BOUNDED_PRIMITIVE_H_
#define _BOUNDED_PRIMITIVE_H_

#include <vector>
#include <memory>
#include <ostream>

#include "ray.h"
#include "shader_base.h"
#include "boundingBox.h"
#include "surfaceSample.h"
#include "intersectionPoint.h"

class boundedPrimitive {
 public:
  /////////////////
  // Constructor //
  /////////////////
  boundedPrimitive(void);
  boundedPrimitive(const boundingBox& bb, const std::shared_ptr<const shader_base>& shader);
  boundedPrimitive(const boundedPrimitive&) = delete;

  ///////////////
  // Operators //
  ///////////////
  boundedPrimitive& operator=(const boundedPrimitive& ) = delete;

  /////////////
  // Methods //
  /////////////
  const boundingBox& boundingbox(void) const;
  bool hitBoundingBox(const ray& r) const;
  virtual bool hasShader(void) const;

  virtual intersectionPoint intersect(const ray& r) const = 0;

  virtual float area(void) const = 0;
  virtual surfaceSample sample(float r1, float r2) const = 0;

  /////////////
  // Friends //
  /////////////
  friend std::ostream& operator<<(std::ostream& s, const boundedPrimitive& bp)
  {
    bp._print(s);
    return s;
  }

 protected:
  ///////////////////////
  // Protected Methods //
  ///////////////////////
  virtual void _print(std::ostream& s) const;

  //////////////////
  // Data Members //
  //////////////////
  boundingBox _bb;
  std::shared_ptr<const shader_base> _shader;
};

#endif /* _BOUNDED_PRIMITIVE_H_ */