MineSweeper

import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.Scanner;

public class MineSweeper {
    Scanner in = new Scanner(System.in);
    int[][] winnings;
    int[][] configuration;
    int bombs, size = 0;
    String playerName;
    List<String> usedLocation;

    MineSweeper(){
        int repeat;
        System.out.println("Welcome To Minesweeper!\n=======================");
        System.out.print("Enter Player Name: ");
        playerName = in.nextLine();

        do{
            bombs = 0;
            System.out.print("\nChoose the size of grid (Press 1 for 5x5, Press 2 for 10x10): ");
            size = in.nextInt();
            in.nextLine();

            size = size == 1 ? 5 : 10;
            winnings = new int[size][size];
            configuration = new int[size][size];
            usedLocation = new ArrayList<String>();

            play();

            System.out.print("\nDear "+playerName+", do you wish to play again (Press 1 for Yes, Press 2 for No): ");
            repeat = in.nextInt();
            in.nextLine();
        }
        while(repeat == 1);

        System.out.print("\nSEE YOU BYE !");
    }

    private void play() {
        int x, y, gameResult, count = 0;
        boolean illegalMove = false, repeatedMove = false;

        if (bombs == 0){
            getGameDetails();
        }

        do {
            do {
                illegalMove = repeatedMove = false;
                System.out.print("\nEnter row and column of the cell you want to open [row col]: ");
                x = in.nextInt();
                y = in.nextInt();
                in.nextLine();

                if (x > size - 1 || y > size - 1 || x < 0 || y < 0) {
                    illegalMove = true;
                    System.out.println("Illegal move. Please enter again.\n");
                } else if (usedLocation.contains(x + "" + y)) {
                    repeatedMove = true;
                    System.out.println("This position has been checked already. Please enter egain\n");
                }
            } while (illegalMove || repeatedMove);

            gameResult = makeMove(x, y, ++count);
        } while (gameResult == 1);

        if(gameResult == 0){
            System.out.println("\n"+playerName+" have picked the Bomb.\n");
        } else if(gameResult == 2){
            System.out.println("\n"+playerName+" have won the game!\n");
        }
    }

    private int makeMove(int x, int y, int count) {
        int neighbor = 0, returnVal;
        boolean userWin;

        if(winnings[x][y] == 1){
            returnVal = 0;
        } else {
            usedLocation.add(x +""+ y);
            neighbor = getNeighborBombs(x, y);
            configuration[x][y] = neighbor;
            userWin = won(count);
            returnVal = userWin ? 2 : 1;
        }

        reportWinnings(returnVal);

        return returnVal;
    }

    private boolean won(int count) {
        int winningCount = winnings.length * winnings.length - bombs;

        if(count == winningCount){
            return true;
        } else {
            System.out.println("Open "+(winningCount - count)+" more correctly to win.");
        }

        return false;
    }

    private int getNeighborBombs(int x, int y) {
        int count = 0;

        //Top-Left
        if(x > 0 && y > 0){
            count = winnings[x-1][y-1] == 1 ? ++count : count;
        }

        //Top-Center
        if(x > 0){
            count = winnings[x-1][y] == 1 ? ++count : count;
        }

        //Top-Right
        if(x > 0 && y < winnings.length-1){
            count = winnings[x-1][y+1] == 1 ? ++count : count;
        }

        //Right
        if(y < winnings.length-1){
            count = winnings[x][y+1] == 1 ? ++count : count;
        }

        //Bottom-Right
        if(x < winnings.length-1 && y < winnings.length-1){
            count = winnings[x+1][y+1] == 1 ? ++count : count;
        }

        //Bottom
        if(x < winnings.length-1){
            count = winnings[x+1][y] == 1 ? ++count : count;
        }

        //Bottom-Left
        if(x < winnings.length-1 && y > 0){
            count = winnings[x+1][y-1] == 1 ? ++count : count;
        }

        //Left
        if(y > 0){
            count = winnings[x][y-1] == 1 ? ++count : count;
        }

        return count;
    }

    private void getGameDetails() {
        Random r = new Random();
        int maxBombs = winnings.length * winnings.length - 1;
        int x,y;

        do{
            System.out.print("How many bombs do you want to place (Max: "+maxBombs+")?  ");
            bombs = in.nextInt();
            in.nextLine();
        }
        while(bombs > maxBombs || bombs < 1);

        for (int i = 0; i < bombs; i++) {
            x = r.nextInt(winnings.length);
            y = r.nextInt(winnings.length);

            if(winnings[x][y] == 0){
                winnings[x][y] = 1;
            } else {
                i--;
            }
        }
    }

    private void reportWinnings(int returnVal) {
        String number;
        for (int i = 0; i < configuration.length; i++) {
            for (int j = 0; j < configuration[i].length; j++) {
                number = usedLocation.contains(i +""+ j) ? String.valueOf(configuration[i][j]) : returnVal == 1 ? " " : winnings[i][j] == 1 ? "X" : " ";
                System.out.print("["+number+"]");
            }
            System.out.println();
        }
    }

    public static void main(String args[]) {
        MineSweeper mineSweeper = new MineSweeper();
    }
}