#ifndef __shape_h__
#define __shape_h__

#include <iostream>
using namespace std;

struct Point {
  double x;
  double y;
  Point(double a=0.0, double b=0.0) {
    x = a;
    y = b;
  }
};

inline ostream & operator <<(ostream & os, const Point & p) {
  os << '(' << p.x << ", " << p.y << ')';
  return os;
}

struct RGB {
  unsigned char red;
  unsigned char green;
  unsigned char blue;
  RGB(char r=0, char g=0, char b=0) {
    red = r;
    green = g;
    blue = b;
  }
};

inline ostream & operator <<(ostream & os, const RGB & c) {
  os << '[' << int(c.red) << ", " << int(c.green) << ", " << int(c.blue) << ']';
  return os;
}

class Shape {
    Point  center;
    RGB    color;
    double angle;
  public:
    Shape(Point p, RGB c, double a) {
      center = p;
      color = c;
      angle = a;
    }
    void move(Point new_center) {
      center = new_center;
    }
    virtual void rotate(double new_angle) {
      angle = new_angle;
    }
    const Point & get_center() const {
      return center;
    }
    const RGB & get_color() const {
      return color;
    }
    double get_angle() const {
      return angle;
    }
    virtual void draw() =0;
    virtual void erase() =0;
};

class Square : public Shape {
    double side;
  public:
    Square(Point p, RGB c, double a, double s) : Shape(p, c, a) {
      side = s;
    }
  
    void draw() {
      cout << "Square::draw, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", side=" << side << endl;
    }
  
    void erase() {
      cout << "Square::erase, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", side=" << side << endl;
    }
  
};

class Circle : public Shape{
    double radius;
  public:
    Circle(Point p, RGB c, double a, double r) : Shape(p, c, a) {
      radius = r;
    }
  
    void draw() {
      cout << "Circle::draw, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", radius=" << radius << endl;
    }
  
    void erase() {
      cout << "Circle::erase, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", radius=" << radius << endl;
    }
  
    void rotate(double new_angle) {
    }
};

class Triangle : public Shape {
    double side1;
    double side2;
    double side3;
  public:
    Triangle(Point p, RGB c, double a, double s1, double s2, double s3) : Shape(p, c, a) {
      side1 = s1;
      side2 = s2;
      side3 = s3;
    }
  
    void draw() {
      cout << "Triangle::draw, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", sides=" << side1 << ", " << side2 << ", " << side3 << endl;
    }
  
    void erase() {
      cout << "Triangle::erase, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", sides=" << side1 << ", " << side2 << ", " << side3 << endl;
    }
};

class Rectangle : public Shape {
    double side1;
    double side2;
  public:
    Rectangle(Point p, RGB c, double a, double s1, double s2) : Shape(p, c, a) {
      side1 = s1;
      side2 = s2;
    }
  
    int draw(double scale) {
      cout << "Rectangle::draw, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", sides=" << side1 << ", " << side2 << endl;
    }
  
    void cancella() {
      cout << "Rectangle::erase, center=" << get_center() << ", color=" << get_color() << ", angle=" << get_angle() << ", sides=" << side1 << ", " << side2 << endl;
    }
};
#endif