// Console TicTacToe game

import java.util.Scanner;

public class TicTacToe {
public int gridsize = 3;
private char dotchar = '.';
private char [][] grid;
public Scanner sc = new Scanner(System.in);


public TicTacToe()
{
grid = new char[gridsize][gridsize];
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){
grid[i][j] = dotchar;
}
}
}

public char [][] getGrid(){
return grid;
}

public void display(){
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){
System.out.print(grid[i][j]);
}
System.out.println("");
}
System.out.println("");
}

public void setX(int index){
if (index < 0) {
  while (!isAvailable((index - 1))) {
  System.out.println("Player X ... enter 1 to 9 as your go reading top to bottom, left to right");
  index = sc.nextInt();
  }
}
index = index - 1;
int k = 0;
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){

if(k == index){
grid[i][j] = 'X';
}
k++;
}
}
}

public void setO(int index){
if (index < 0) {
  while (!isAvailable((index - 1))) {
  System.out.println("Player O ... enter 1 to 9 as your go reading top to bottom, left to right");
  index = sc.nextInt();
  }
}
index = index - 1;
int k = 0;
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){

if(k == index){
grid[i][j] = 'O';
}
k++;
}
}
}

public boolean isAvailable(int index){
boolean available = false;
int k = 0;
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){
if(k == index){
if (grid[i][j] == dotchar) available = true;
}
k++;
}
}
return available;
}

public int anyAvailable(){
int anyavailable = 0;
for(int i = 0; i < grid.length; i++){
for(int j = 0; j < grid.length; j++){
if (grid[i][j] == dotchar) anyavailable = 1;
}
}

if (grid[0][0] == 'O' && grid[0][1] == 'O' && grid[0][2] == 'O')
  anyavailable = 2;
else if (grid[1][0] == 'O' && grid[1][1] == 'O' && grid[1][2] == 'O')
  anyavailable = 2;
else if (grid[2][0] == 'O' && grid[2][1] == 'O' && grid[2][2] == 'O')
  anyavailable = 2;
else if (grid[0][0] == 'X' && grid[0][1] == 'X' && grid[0][2] == 'X')
  anyavailable = 3;
else if (grid[1][0] == 'X' && grid[1][1] == 'X' && grid[1][2] == 'X')
  anyavailable = 3;
else if (grid[2][0] == 'X' && grid[2][1] == 'X' && grid[2][2] == 'X')
  anyavailable = 3;
else if (grid[0][0] == 'O' && grid[1][1] == 'O' && grid[2][2] == 'O')
  anyavailable = 2;
else if (grid[2][0] == 'O' && grid[1][1] == 'O' && grid[0][2] == 'O')
  anyavailable = 2;
else if (grid[0][0] == 'X' && grid[1][1] == 'X' && grid[2][2] == 'X')
  anyavailable = 3;
else if (grid[2][0] == 'X' && grid[1][1] == 'X' && grid[0][2] == 'X')
  anyavailable = 3;

return anyavailable;
}

public static void main(String[] args)
{
TicTacToe tt = new TicTacToe();
int gois = 0;
while (tt.anyAvailable() == 1) {
 tt.display();
 if (gois == 0) {
  tt.setO(-1);
 } else {
  tt.setX(-1);
 }
 gois = 1 - gois;
}
if (tt.anyAvailable() == 2) {
  tt.display();
  System.out.println("Congratulations, Player O");
} else if (tt.anyAvailable() == 3) {
  tt.display();
  System.out.println("Congratulations, Player X");
} else {
  tt.display();
  System.out.println("Good draw");
}
  
}

}