#include <iostream>
#include <stdlib.h>

enum quadrant {border, first, second, third, fourth, error};

class Point
{
 private:
	int x, y;
	quadrant quad;
	int color;

	void determineQuad ()
	 {
	  if (x == 0 || y == 0)
	     quad = border;
	  else if (x > 0 && y > 0)
	     quad = first;
	  else if (x < 0 && y > 0)
	     quad = second;
	  else if (x < 0 && y < 0)
	     quad = third;
	  else if (x > 0 && y < 0)
	     quad = fourth;
	  else
	     quad = error;
	 }

 public:
	// the copy constructor
	Point (const Point & pt)
	 {
	  x = pt.x;
	  y = pt.y;
	  quad = pt.quad;
	  cout << "Copy Constructor was called" << endl;
	 }

        /* OR
	Point (const Point & pt)
	:x(pt.x), y(pt.y), quad(pt.quad)
	{}
	*/

	Point (int newX = 0, int newY = 0)
	:x(newX), y(newY)
	 {
	  determineQuad();
	  cout << "Constructor was called" << endl;
	 }

	void setX (int newX)
	 {
	  x = newX;
	  determineQuad();
	 }

	void setY (int newY)
	 {
 	  y = newY;
	  determineQuad();
	 }

	void setXY (int newX = 0, int newY = 0)
	 {
	  x = newX;
	  y = newY;
	  determineQuad();
	 }

	int getX ()
	 { return x; }

	int getY ()
	 { return y; }

	quadrant getQuad ()
	 { return quad; }

	void printToCout ()
	 {
	  cout << "Coord (" << x << "," << y << ") Quad: " << quad << endl;
	 }
};



void printQuad (Point  pt)
{
 int q = pt.getQuad();

 if (q == 0)
    cout << "Border";
 else if (q == 1)
    cout << "First"; 
 else if (q == 2)
    cout << "Second"; 
 else if (q == 3)
    cout << "Third"; 
 else if (q == 4)
    cout << "Fourth"; 
 else
    cout << "Error";
}

Point perturbPoint (Point & pt)
{
 Point temp; 
 int x = pt.getX();
 int y = pt.getY();

 if (rand()%2 == 0)
   {
    if (rand()%2 == 0)
	x++;
    else
	x--;
   }
 else
   {
    if (rand()%2 == 0)
	y++;
    else
	y--;
   }
   
 cout << "Setting perturbed point values." << endl;
 temp.setXY(x,y);
 return temp;
}

int main ()
{
 Point pt1, pt2;
 Point pt3 (-5, -8);
 Point pt4 (pt3);
 Point pt5;

 pt1.setX (15);
 pt1.setY (-2);
 cout << "pt1.x: " << pt1.getX() << ", pt1.y " << pt1.getY() << endl;
 
 pt2.setXY (-2, 3);
 cout << "pt2.x: " << pt2.getX() << ", pt2.y " << pt2.getY() << endl;

 cout << "pt1.quad: " << pt1.getQuad() << endl;

 cout << "pt2.quad: " << pt2.getQuad() << endl;

 pt3.setX (5);
 pt3.setY (8);

 pt1.printToCout();
 pt2.printToCout();
 pt3.printToCout();
 pt4.printToCout();

 cout << endl << "Printing text of Quadrant for pt1: " ;
 printQuad (pt1);
 cout << endl;


 cout << endl << "Perturbing point pt1. " << endl;
 pt1.printToCout();
 pt5 = perturbPoint(pt1);
 pt5.printToCout();
}