/**
 * CustomTurtleRunner
 * @author John Doe Per 1
 */

import java.awt.Color;
import java.util.List;

////////////////// CLIENT PROGRAM ////////////////////////////////////////////
public class CustomTurtleRunner
{

   public static void main(String[] args)
   {
      World earth = new World();
      
      // SECTION A
      System.out.println("\n\nSECTION A");
      SquareTurtle leonardo = new SquareTurtle(10, 10, earth); 
      SquareTurtle donatello = new SquareTurtle(50, 500.0, "donny", 10, 150, earth);
      SquareTurtle michelangelo = new SquareTurtle(500.0, "mick", 10, 300, earth); 
      System.out.println("other constructor test: " + leonardo.toString());
      System.out.println("other constructor test: " + donatello.toString());
      System.out.println("other constructor test: " + michelangelo.toString());
      
      // SECTION B
      System.out.println("\n\nSECTION B");
      System.out.println("a dashed line with blue and red");
      leonardo.setPenColor(Color.BLUE);
      leonardo.turnRight();
      leonardo.forward();
      leonardo.penUp();
      leonardo.forward();
      leonardo.penDown();
      leonardo.setPenColor(Color.RED);
      leonardo.forward();
      
      // SECTION C
      System.out.println("\n\nSECTION C");
      System.out.println("leonardo's health: " + leonardo.getHealth());
      leonardo.setHealth(99);
      System.out.println("after setHealth modifier - leonardo's health: " + leonardo.getHealth());
      
      System.out.println("leonardo's speed: " + leonardo.getSpeed());
      leonardo.setSpeed(999.9);
      System.out.println("after setSpeed modifier - leonardo's speed: " + leonardo.getSpeed());    
      
      System.out.println("leonardo's nickname: " + leonardo.getNickname());
      leonardo.setNickname("leo");
      System.out.println("after setNickname modifier - leonardo's nickname: " + leonardo.getNickname());  
      
      // SECTION D
      System.out.println("\n\nSECTION D");
      System.out.println("two squares of different colors appear");
      donatello.drawSquare();
      michelangelo.drawSquare(Color.RED);
      System.out.println("leonardo's health = " + leonardo.getHealth());
      leonardo.exerciseWithTrainer(donatello);
      System.out.println("leonardo's health after exercising with donatello = " + leonardo.getHealth());
      leonardo.forwardSlowly(50);
      
      // SECTION E
      System.out.println("\n\nSECTION E");
      System.out.println("all turtles turned black");
      SquareTurtle.turtlePlague(earth);
      System.out.println("the average of all turtles' health is " + SquareTurtle.averageHealth(earth));
      
      // SECTION F
      System.out.println("\n\nSECTION F");
      michelangelo = donatello;
      donatello.setHealth(1);
      System.out.println("michelangelo's health = " + michelangelo.getHealth() + " and donatello's health = " + donatello.getHealth());
      michelangelo = new SquareTurtle(11, 500.0, "michelangelo", 200, 300, earth); 
      System.out.println("after breaking aliasing, michelangelo's health = " + michelangelo.getHealth() + " and donatello's health = " + donatello.getHealth());
      
   }// end of main method
    
}// end of CustomTurtleRunner class

//////////////// CUSTOM TURTLE CLASS /////////////////////////////////////////

class SquareTurtle extends Turtle
{
   // there are technical reasons why this class does not have a default constructor
   
   // "other" constructors
   
   public SquareTurtle(int x, int y, ModelDisplay display)
   {
      super(x, y, display); // super calls a constructor in parent class (Turtle)
      myHealth = 100;
      mySpeed = 500.0;
      myNickname = "";
   }
    
   public SquareTurtle(int health, double speed, String nickname, int x, int y, ModelDisplay display)
   {
      super(x, y, display);
      myHealth = health;
      mySpeed = speed;
      myNickname = nickname;
   }
   
   public SquareTurtle(double speed, String nickname, int x, int y, ModelDisplay display)
   {
      super(x, y, display);
      myHealth = 100;         // health is set to default 100
      mySpeed = speed;
      myNickname = nickname;
   }
   
   // accessor methods
   
   public int getHealth()
   {
      return myHealth;
   }
   
   public double getSpeed()
   {
      return mySpeed;
   }
   
   public String getNickname()
   {
      return myNickname;
   }
   
   // modifier methods
   
   public void setHealth(int health)
   {
   
      if (health >= MAX_HEALTH)
      {
         myHealth = MAX_HEALTH;
      }
      else if (health <= MIN_HEALTH)
      {
         myHealth = MIN_HEALTH;
      }
      else
      {
         myHealth = health;
      }
      
   }
   
   public void setSpeed(double speed)
   {
      mySpeed = speed;
   }
   
   public void setNickname(String nickname)
   {
      myNickname = nickname;
   }
   
   // interesting methods
   
   public void drawSquare()
   {
      penDown();
      forward();
      turnRight();
      forward();
      turnRight();
      forward();
      turnRight();
      forward();
   }
   
   public void drawSquare(Color color)
   {
      Color currentColor = getPenColor();          // keep track of pen's current color
      setPenColor(color);
      penDown();
      forward();
      turnRight();
      forward();
      turnRight();
      forward();
      turnRight();
      forward();
      setPenColor(currentColor);                   // return pen to original color
   }  
   
   public void exerciseWithTrainer(SquareTurtle trainer)
   {
      int num = trainer.getHealth();               // trainer's health
      
      if (myHealth + num <= MAX_HEALTH)            // or   if (this.myHealth + num <= MAX_HEALTH)
      {   
         setHealth(myHealth + num);
      }
      else
      {
         setHealth(MAX_HEALTH);
      }
      
   }
   
   public void forwardSlowly(int distance)
   {
    	
      for (int i = 0; i < distance; i++)
      {
         forward(1);
           	
         try
         {
            java.lang.Thread.sleep(1001 - (int) mySpeed);
         } 
         catch (InterruptedException ex) 
         {}
         
      }
    
   }
   
   // static methods
   
   public static void turtlePlague(World earth)
   {
      List<SquareTurtle> listOfTurtles = earth.getTurtleList(); // collecting all turtles in World
      SquareTurtle[] arrayOfTurtles = (SquareTurtle[]) listOfTurtles.toArray(new SquareTurtle[0]);
      
      for (int i = 0; i < arrayOfTurtles.length; i++)
      {
         arrayOfTurtles[i].setShellColor(Color.BLACK);
      }

   }
   
   public static double averageHealth(World earth)
   {
      int numTurtles = 0;                                       // number of SquareTurtles in World
      int healthTotal = 0;                                      // sum of all SquareTurtles' healths
      
      List<SquareTurtle> listOfTurtles = earth.getTurtleList(); // collecting all turtles in World
      SquareTurtle[] arrayOfTurtles = (SquareTurtle[]) listOfTurtles.toArray(new SquareTurtle[0]);
      
      for (int i = 0; i < arrayOfTurtles.length; i++)
      {
         healthTotal += arrayOfTurtles[i].getHealth();
         numTurtles++;
      }
      
      return (double) healthTotal / numTurtles;
   }
    
   // instance variables
   
   private int myHealth;         // health of SquareTurtle, an integer between 0 and 100
   private double mySpeed;       // speed of SquareTurtle, an integer between 0.0 and 1000.0
   private String myNickname;
   
   // class constants
   
   public static final int MAX_HEALTH = 100; // upper limit of a SquareTurtle's health
   public static final int MIN_HEALTH = 0;   // SquareTurtle cannot have negative health 
}// end of SquareTurtle class