#include<iostream>
#include<time.h>
using namespace std;

const int BOARD_SIZE = 9;

void displayBoard(char board[])
{
	system("cls");
	cout << board[0] << "|" << board[1] << "|" << board[2] << endl;
	cout << "-----\n";
	cout << board[3] << "|" << board[4] << "|" << board[5] << endl;
	cout << "-----\n";
	cout << board[6] << "|" << board[7] << "|" << board[8] << endl;
}

void getMove(int& move, char board[], char turn)
{
	do
	{
		cout << turn << "'s turn >";
		cin >> move;
		move--;
	}
	while(move < 0 || 
		move >= BOARD_SIZE || 
		board[move]  == 'X' || 
		board[move]  == 'O');
	
}

bool playerHasWon(char board[], char player)
{
	bool result = false;

	if(false)
	{
		result = true;
	}
	

	return result;
}

bool catHasWon(char board[])
{
	bool result = false;

	if(false)
	{
		result = true;
	}
	

	return result;
}

bool gameOver(char board[])
{
	bool result = false;

	if( playerHasWon(board,'X') ||
		playerHasWon(board,'O') ||
		catHasWon(board))
	{
		result = true;
	}

	return result;
}

void main()
{
	//board is pointer to an array of 9 chars
	//a pointer is a variable that holds an address
	char board[BOARD_SIZE] = {'1','2','3','4','5','6','7','8','9'};
	int move;
	char turn = 'X';
	
	do
	{
		displayBoard(board);
		getMove(move, board, turn);
		board[move] = turn;
		turn = (turn == 'X')? 'O' : 'X';
	}
	while(!gameOver(board));

	if(playerHasWon(board,'X'))
	{
		cout << "X wins\n";
	}
	else if(playerHasWon(board,'O'))
	{
		cout << "O wins\n";
	}
	else
	{
		cout << "CAT wins\n";
	}

	displayBoard(board);

}