import greenfoot.*;  // (World, Actor, GreenfootImage, and Greenfoot)

/**
 * Wombat. A Wombat is controlled by the up, down, left and right
 * arrow keys. The Wombat can only move north, south, east or west.
 * 
 * Wombats try to find leaves to eat but must go around rocks that get in the way.
 * 
 *  */
public class Wombat extends Actor
{
    // constants that hold the four directions:
    private static final int EAST = 0;
    private static final int WEST = 180;
    private static final int NORTH = 270;
    private static final int SOUTH = 90;

    // keep track of the wombat's current direction
    private int direction;
    private Counter counter;
   
    public void fire()
    {

      //  if(Greenfoot.isKeyDown("space"))
      //  {
            Bullet bullet = new Bullet();
            getWorld().addObject(new Bullet(), this.getX(), this.getY());
            bullet.setRotation( this.getRotation() );
            bullet.move(20);
            /// testing
            
           
            
            ///end  of testing
            
            
            
            
      //  }
    }

    public Wombat(Counter pointCounter)
    {
        this();
        counter = pointCounter;

    }

    /**
     * Constructor in used to review the concept of constructors
     */
    public Wombat()
    {
        direction = EAST;
        setRotation( direction );

    }

    /**
     * Do whatever the wombat likes to to just now.
     */
    public void act()
    {
        checkKeys();
        lookForFood();
       // fire();
    }

    /**
     * Moves the wombat according to which keys are pressed
     */
    public void checkKeys()
    {
        if (Greenfoot.isKeyDown("up")) {
            direction = NORTH;
            setRotation( direction );
            move();
        }
        if (Greenfoot.isKeyDown("right")) {
            direction = EAST;
            setRotation( direction );
            move();
        }
        if (Greenfoot.isKeyDown("down")) {
            direction = SOUTH;
            setRotation( direction );
            move();
        }
        if (Greenfoot.isKeyDown("left")) {
            direction = WEST;
            setRotation( direction );
            move();

        }
        //if(Greenfoot.isKeyDown("space")) {
        //    fire();
        //}
        if ("space".equals(Greenfoot.getKey() )    ) 
        {
            fire();
        }
        
        
        
    }

    /**
     * Search for food
     */
    public void lookForFood()
    {
        Actor leaf = getOneIntersectingObject( Leaf.class );
        if (leaf != null) {
            getWorld().removeObject(leaf);

            counter.setValue(counter.getValue()+1);}
    }

    /**
     * Returns the number of leaves the wombat has eaten
     */
    // public int getLeavesEaten()
    //{
    // return numOfLeaf;//counter.getValue();
    //counter.setValue(counter.getValue()+1);
    //}

    /**
     * Moves the wombat forward one location
     */
    public void move()
    {
        if (canMove()) {
            switch( getRotation() ) {
                case EAST:
                setLocation( getX() + 1, getY() );
                break;
                case SOUTH:
                setLocation( getX(), getY()+1 );
                break;
                case WEST:
                setLocation( getX() - 1, getY() );
                break;
                case NORTH:
                setLocation( getX(), getY() - 1);
                break;
            }
        }
    }

    /**
     * Determines if a Rock is located in front of the Wombat
     */
    public boolean canMove()
    {
        switch( getRotation() ) {
            case EAST:
            return getOneObjectAtOffset(25,0,wallRect.class)==null;
            case SOUTH:
            return getOneObjectAtOffset(0,25,wallRect.class)==null;
            case WEST:
            return getOneObjectAtOffset(-25,0,wallRect.class)==null;
            case NORTH:
            return getOneObjectAtOffset(0,-25,wallRect.class)==null;
        }
        return true;
    }

}