/**
 *  Die.java
 *
 *  This class represents a single six-sided die, possibly for
 *  use in game programs such as Yahtzee, craps, etc.
 *
 *  Modification history:
 *  1/15/02  (Jeff Ondich) Started
 *  1/16/02  (JO) Added drawing routines and javadoc comments.
 *  9/27/05  (JO) Updated to use Canvas class
 *
 *  @author Jeff Ondich
 */

import java.awt.*;

class Die
{
    private int nSides;
    private int value;
    private int edgeLength;
    private Color edgeColor;
    private Color dotColor;


    /**
     * This default constructor sets up reasonable starting values.  Note
     * in particular that the six-sidedness of the die is enforced
     * here.
     */
    public Die()
    {
        nSides = 6;
        value = 1;
        edgeLength = 100;
        edgeColor = Color.green;
        dotColor = Color.black;
    }


    /**
     * This constructor allows you to initialize the value and the
     * lengths of the edges of the square that is drawn by the
     * <code>draw</code> method.  Note that nSides is set to 6.
     *
     * @param val The numerical value displayed on the die.
     * @param edge The length, in pixels, of each of the sides of the die.
     * @param eColor The color of the edges of the die.
     * @param dColor The color of the dots on the face of the die.
     */
    public Die( int val, int edge, Color eColor, Color dColor )
    {
        nSides = 6;
        if( val >= 1  &&  val <= nSides )
            value = val;
        else
            value = 1;

        if( edge > 0 )
            edgeLength = edge;
        else
            edgeLength = 100;

        edgeColor = eColor;
        dotColor = dColor;
    }


    /**
     * Returns the current value of the die.
     */
    public int getValue()
    {
        return value;
    }

    
    /**
     * Sets the current value of the die if <code>newValue</code> is legal.
     */

    public void setValue( int newValue )
    {
        if( newValue >= 1  &&  newValue <= nSides )
            value = newValue;
    }


    /**
     * Sets the color of the square drawn by the <code>draw</code> method.
     */
    public void setEdgeColor( Color newEdgeColor )
    {
        System.out.println( "Die.setColor stub" );
    }


    /**
     * Sets the color of the dots drawn by the <code>draw</code> method.
     */
    public void setDotColor( Color newDotColor )
    {
        System.out.println( "Die.setDotColor stub" );
    }


    /**
     * Sets <code>value</code> to a random integer between 1 and 6.
     */
    public void roll()
    {
        System.out.println( "Die.roll stub" );
    }


    /**
     * Draws the die on the given Canvas.
     * The colors of the die are specified by <code>edgeColor</code>
     * and <code>dotColor</code>.
     *
     * @param canvas The Canvas object on which to draw the die.
     * @param x The x-coordinate of the upper left corner of the die's square.
     * @param y The y-coordinate of the upper left corner of the die's square.
     */
    public void draw( Canvas canvas, int x, int y )
    {
        System.out.println( "Die.draw stub" );
    }
}