/**
 * This Answer class will create the answer for the game
 * 
 * @author John Paxton
 * @version 1.0
 */

public class Answer
{
    /**
     * This constructor will set the make the answer and flag arrays
     * 
     * @author John Paxton
     * @version 1.0
     * @param howManyPegs is how many pegs the game will use
     * @param howManyColors is how many colors the game will use
     * 
     */
    Answer (int howManyPegs, int howManyColors)
    {
        colors = howManyColors;
        answer = new int [ howManyPegs ];
        flags = new boolean [ howManyPegs ];
    }
    /**
     * This will make a random answer
     * 
     * @author John Paxton
     * @version 1.0
     * @precondition the answer array was empty
     * @postcondition the answer array was filled
     */
    public void createAnswer ()
    {
        for (int i = 0; i < answer.length; i++)
        {
            answer[i] = (int) (colors * Math.random()) + 1;
        }   
    }
    /**
     * This method resets the flag array
     * 
     * @author John Paxton
     * @version 1.0
     * @precondition the flags array has both true and false
     * @postcondition the flags array is all false
     */
    public void reset ()
    {
        for (int i = 0; i < flags.length; i++)
        {
            flags[i] = false;
        }
    }
    
    /**
     * this getPeg method will get the peg by position
     * 
     * @author John Paxton
     * @version 1.0
     * @param position the position in the array to retrieve
     * @return answer[position] an int in the answer array
     */
    public int getPeg (int position)
    {
        return answer[position];
    }
    
    /**
     * Checks if a peg has been used in the scoring and sets the flags to tell you
     * 
     * @author John Paxton
     * @version 1.0
     * @param position the position in the flags array to check
     * @return flags[position] a boolean if the peg has been used yet
     */
    public boolean getPegUsed (int position)
    {
        return flags[position];
    }
    
    /**
     * This method will set a peg as beeing used
     * 
     * @author John Paxton
     * @version 1.0
     * @param posision the position of the peg that has been used
     * @precondition the postion in flags was set to false
     * @postcondition the position in flags was set to true
     */
    public void setPegUsed (int position)
    {
        flags[position] = true;
    }
    
    /**
     * This method will print out the answer and what the flags were
     * this is for debugging
     * 
     * @author John Paxton
     * @version 1.0
     */
    public void print ()
    {
        for (int i = 0; i < answer.length; i++)
        {
            System.out.print ( answer[i] + " ");
        }
        System.out.println();
    }
    
    private int colors;
    private int [] answer;
    private boolean [] flags;
}