import java.util.*;

public class RockPaperScissors
{
	public static void main(String[] args)
	{
		// declare your variables for this program:
		//    a Random number generator (and instantiate it)
		//    a char answer to store whether the user wants to play again
		//    three int variables, the user's choice (0-2), computer's choice (0-2)
		//		and who the winner is (0 for user, 1 for computer, 2 for tie)

		instructions();			// this method will display the instructions to the game
		
		do {
			pick1=getUserPick();				// getUserPick will get the user's pick of Paper, Rock, Scissors and store it as an integer value
			pick2=getComputerPick(g);			// getComputerPick will generate a random number from 0-2
			winner=determineWinner(pick1, pick2);		// determineWinner will determine who wins and also output what the human and computer picked
			// you will output information about who won the game in determineWinner, but you will use the result in an enhancement to count the
			//    number of wins by user of user and the computer
			answer=askAgain();					// askAgain will ask the user if he/she wants to play again and return the char Y or N
		} while(answer=='Y');
		// have a goodbye message here
		// in enhancement #2, change the goodbye message to a summary of how many games/wins/ties/losses the user has had
	}
	
	public static void instructions()
	{
		// put some println statements here to print out the instructions of the game
	}
	
	public static int getUserPick()
	{
		// declare a Scanner and a char local variable
		// ask the user to input 0-2 (describe what each is) and input the int value, data verifying it
		// return the number picked
	}
	
	public static int getComputerPick(Random g)
	{
		return g.nextInt(3);
	}
	
	public static int determineWinner(int u, int c)
	{
		// user's pick is u, computer's pick is c, these will both be numbers from 0-2
		//   Here are the possible outcomes, write if-else statements to accomplish this:
		//			U		C		Outcome
		//			0		0		tie (both picked paper)
		//			0		1		user wins (paper wraps rock)
		//			0		2		computer wins (scissors cuts paper)
		//			1		0		computer wins (paper wraps rock)
		//			1		1		tie (both picked rock)
		//			1		2		user wins (rock smashes scissors)
		//			2		0		user wins (scissors cuts paper)
		//			2		1		computer wins (rock smashes scissors)
		//			2		2		tie (both picked scissors)
		//	output the proper outcome above such as "Its a tie, both picked paper" or "Computer wins, rock smashes scissors"
		// return 0, 1 or 2 depending on who won 
	}
	
	public static char askAgain()
	{
		// ask the user if they want to play again, upper case their answer and return the charAt(0)
	}
}