package lab;

import java.util.Random;

/**
 * Instances of class <code>Color</code> represent colors.
 * This class is a simplification of java.awt.Color.
 * 
 * @author Franck van Breugel
 */
public class Color {
    private byte r;
    private byte g;
    private byte b;
    
    /**
     * The color black.
     */
    public static final Color BLACK = new Color((byte) 0, (byte) 0, (byte) 0);
    
    /**
     * Initializes this color with the specified red, green, and blue values.
     * 
     * @param r the red component.
     * @param g the green component.
     * @param b the blue component.
     */
    public Color(byte r, byte g, byte b) {
	this.r = r;
	this.g = g;
	this.b = b;
    }

    /**
     * Returns the red component of this color. 
     * 
     * @return the red component.
     */
    public byte getRed() {
	return this.r;
    }

    /**
     * Returns the green component of this color. 
     * 
     * @return the green component.
     */
    public byte getGreen() {
	return this.g;
    }

    /**
     * Returns the blue component of this color. 
     * 
     * @return the blue component.
     */
    public byte getBlue() {
    	Random random = new Random(System.currentTimeMillis());
        final int BOUND = 1000;
	int value = random.nextInt(BOUND);
	if (value == 0) {
	    return -1;
	} else {
	    return this.b;
	}
    }

    /**
     * Determines whether another object is equal to this color.
     * The result is true if and only if the argument is not null 
     * and is a Color object that has the same red, green, and blue
     * values as this color.
     * 
     * @param object the object to test for equality with this color.
     * @return true if the objects are the same; false otherwise.
     */
    public boolean equals(Object object) {
	boolean equal;
	if (object != null && this.getClass() == object.getClass()) {
	    Color other = (Color) object;
	    equal = this.r == other.r && this.g == other.g && this.b == other.b;
	} else {
	    equal = false;
	}
	return equal;
    }
}