import javax.swing.*;
import java.awt.*;

public class TestGeometricHeirarchy {
	
  public static void main(String[] args) {
  	
    JTextArea textarea;
    JScrollPane scrollpane;
    textarea = new JTextArea(20,100); 
    textarea.setLineWrap( true );
    textarea.setFont( new Font("Courier",Font.BOLD,14) );
    scrollpane = new JScrollPane(textarea);

    String input = JOptionPane.showInputDialog( "Enter number of objects of each kind", "5" );
    int N = Integer.parseInt( input );             

    Circle c [] = new Circle[N];
    for (int i=0; i<N; i++)
      c[i] = new Circle((int)(Math.random()*N)+1);   // +1 to avoid 0

    textarea.append("Each pair of circles:\n");
    for (int i=0; i<N; i++) {
      textarea.append("\n");
      for (int j=i+1; j<N; j++) {   //each pair
        textarea.append(""+c[i].getArea());  
        switch (c[i].compareTo(c[j])) {
        case -1: textarea.append(" < ");
                 break;
        case  1: textarea.append(" > ");
                 break;
        case  0: textarea.append(" = ");
        }
        textarea.append(""+c[j].getArea()+"\n");
      }
    }
    
    Ellipse e [] = new Ellipse[N];
    for (int i=0; i<N; i++)
      e[i] = new Ellipse((int)(Math.random()*N)+1,(int)(Math.random()*N)+1);

    textarea.append("Each pair of ellipses:\n");
    for (int i=0; i<N; i++) {
      textarea.append("\n");
      for (int j=i+1; j<N; j++) {   //each pair
        textarea.append(""+e[i].getArea()); 
        switch (e[i].compareTo(e[j])) {
        case -1: textarea.append(" < ");
                 break;
        case  1: textarea.append(" > ");
                 break;
        case  0: textarea.append(" = ");
        }
        textarea.append(""+e[j].getArea()+"\n");
      }
    }
    
    //input = JOptionPane.showInputDialog( "Enter number of Rectangle objects", "10" );
    //N = Integer.parseInt( input );             

    Rectangle r [] = new Rectangle[N];
    for (int i=0; i<N; i++)
      r[i] = new Rectangle((int)(Math.random()*N)+1,(int)(Math.random()*N)+1);

    textarea.append("\nEach pair of rectangles:\n");
    for (int i=0; i<N; i++) {
      textarea.append("\n");
      for (int j=i+1; j<N; j++) {   //each pair
        textarea.append(""+r[i].getArea());
        switch (r[i].compareTo(r[j])) {
        case -1: textarea.append(" < ");
                 break;
        case  1: textarea.append(" > ");
                 break;
        case  0: textarea.append(" = ");
        }
        textarea.append(""+r[j].getArea()+"\n");
      }
    }
    
    //being Comparable allows array to be sorted   
    textarea.append("\nSorted circles array:\n");
    java.util.Arrays.sort(c);
    for (int i=0; i<N; i++) 
      textarea.append(" "+c[i].getArea());

    textarea.append("\nSorted ellipses array:\n");
    java.util.Arrays.sort(e);
    for (int i=0; i<N; i++) 
      textarea.append(" "+e[i].getArea());
      
    textarea.append("\n\nSorted rectangles array:\n");
    java.util.Arrays.sort(r);
    for (int i=0; i<N; i++) 
      textarea.append(" "+r[i].getArea());

    //test interfaces methods
    textarea.append("\n\ncircle eccentricity: "+c[0].eccentricity());
    textarea.append("\nrectangle sides: "+r[0].numberSides());
    textarea.append("\n\nellipses eccentricity: ");
    for (int i=0; i<N; i++)
      textarea.append(" "+e[i].eccentricity());
      
    JOptionPane.showMessageDialog(null, scrollpane,
                             "Geometric Test",
  			      JOptionPane.PLAIN_MESSAGE);
  }  			      
}