package com.egloos.realmove.dp.strategy;

import com.egloos.realmove.dp.strategy.framework.Hand;
import com.egloos.realmove.dp.strategy.framework.HandGameStrategy;

/**
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 */
public class WinningStrategy implements HandGameStrategy {

	private Hand prevHand = null;
	private boolean won = false;
	
	public WinningStrategy() {
		won = false;
	}
	
	public Hand getRandom() {
		int i = (int) ( Math.random() * 3 );
		if ( i == Hand.SCISSOR.getValue() ) {
			return Hand.SCISSOR;
		} else if ( i == Hand.ROCK.getValue() ) {
			return Hand.ROCK;
		} else {
			return Hand.PAPER;
		}
	}

	@Override
	public Hand next() {
		if ( won == false ) {
			prevHand = getRandom();
		}

		return prevHand;
	}

	@Override
	public void study( int result ) {
		if ( result == HandGameStrategy.WIN ) {
			won = true;
		}
	}

}