package cse1030.games;

import java.util.Collections;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

/**
 * A utility class that encodes a subset of the rules for the game Yahtzee.
 * 
 * @author CSE1030_F13_14
 * 
 */
public class Yahtzee {

	/**
	 * You can use the following class constants for indexes in lists
	 * of dice.
	 */
	private static int FIRST = 0;
	private static int SECOND = 1;
	private static int THIRD = 2;
	private static int FOURTH = 3;
	private static int FIFTH = 4;

	private Yahtzee() {
		// private and empty by design
	}

	/**
	 * The number of six-sided dice used in a standard game of Yahtzee.
	 */
	public static final int NUMBER_OF_DICE = 5;

	/**
	 * Returns <code>true</code> if the list contains a three of a kind.
	 * 
	 * <p>
	 * A three of a kind is defined as at least three dice having the same
	 * value.
	 * 
	 * @param dice
	 *            list of dice
	 * @pre. <code>dice.size() == Yahtzee.NUMBER_OF_DICE</code>
	 * @return <code>true</code> if the list contains a three of a kind
	 */
	public static boolean isThreeOfAKind(List<Die> dice) {
		List<Die> copy = new ArrayList<Die>(dice);
		Collections.sort(copy);
		boolean result = 
				copy.get(FIRST).getValue() == copy.get(THIRD).getValue() ||
				copy.get(SECOND).getValue() == copy.get(FOURTH).getValue() ||
				copy.get(THIRD).getValue() == copy.get(FIFTH).getValue();

		return result;
	}

	/*
	 * YOUR CODE SHOULD START AFTER THIS COMMENT SECTION.
	 */

	
	
	
	
	/**
	 * Performs a simulation to compute the odds of rolling each of the Yahtzee
	 * categories. The results are printed to the console. See the lab for
	 * details.
	 * 
	 * @param args
	 *            not used
	 */
	public static void main(String[] args) {

	}
}