import java.util.Scanner;

public class WhackAMole {
        int score;
        int molesLeft;
        int attemptsLeft;
        char[][] moleGrid;
        
        public WhackAMole(int numAttempts, int gridDimension) {
            attemptsLeft = numAttempts;
            moleGrid = new char[gridDimension][gridDimension];
            //construct empty grid
            for(int i = 0; i < gridDimension; i++)
            {
                for(int j = 0; j < gridDimension; j++)
                {
                        moleGrid[i][j] = '*';
                }
     
            }
            
        }
        
        boolean place(int x, int y) {
            if(moleGrid[x][y] == '*')
            {
                moleGrid[x][y] = 'M';
                molesLeft++;
                return true;
            }
            else{
                return false;
            }
        }
        
        
        void whack(int x, int y) {
            if(x == -1 && y == -1)
            {
                attemptsLeft = 0;
                printGrid();
                
            }
            else if(moleGrid[x][y] == 'M')
            {
                moleGrid[x][y] = 'W';
                score++;
                attemptsLeft--;
                molesLeft--;
                printGridToUser();
            }
            else
            {
                attemptsLeft--;
                printGridToUser();
            }    
        }
        
        void printGridToUser() {
            for(int i = 0; i < moleGrid.length; i++)
                {
                  for(int j = 0; j < moleGrid.length; j++)
                     {
                        if(moleGrid[i][j] == 'W')
                        {
                            System.out.print("W" +" ");
                        }
                        else
                        {
                            System.out.print("*" + " ");
                        }
                      }
                    System.out.print("\n");
                }
            }
        
        void printGrid() {
            for(int i = 0; i < moleGrid.length; i++)
            {
                for(int j = 0; j < moleGrid.length; j++)
                {
                    System.out.print(moleGrid[i][j] + " ");
                }
                System.out.println("");
            }
            
        }
        
        public String toString(){
            String status = "";
            status += "Score: " + score;
            status += "\n";
            status += "Moles Left: " + molesLeft;
            status += "\n";
            status += "Attempts Left:" + attemptsLeft;
            return status;
        }
        
        
    
    public static void main(String[] args) {
       
        WhackAMole game = new WhackAMole(50, 10);
        //randomly place ten moles
        int placedMoles = 0;
         while(placedMoles < 10)
        {
            int randomGuessX = (int)(Math.random()*10);
            int randomGuessY = (int)(Math.random()*10);
                if(game.place(randomGuessX, randomGuessY) == true)
                {
                    placedMoles++;
                }
        }
        
        while(game.attemptsLeft > 0 && game.molesLeft > 0)
        {
        Scanner userInput = new Scanner(System.in);
        System.out.println("Enter the x and y coordinates of where you would like to take a whack."
        +"\n"+ 
        "You have a maximum of 50 attempts to get all the moles."); 
        System.out.print("x coordinate of the mole: ");
        int userGuessX = userInput.nextInt();
        System.out.println("");
        System.out.print("y coordinate of the mole: ");
        int userGuessY = userInput.nextInt();
        game.whack(userGuessX,userGuessY);
        }
		
    }
}