#include "stdafx.h"
#include <iostream>
using namespace std;

void DrawGrid(char szBoxes[]){
    cout << "-------" << endl;
    for(int i = 0; i < 3; i++) //Loop for rows
    {
        cout << "|";
        for(int ii = i*3; ii < ((i+1)*3); ii++)//Loop for columns
            cout << szBoxes[ii] << "|";
        cout << endl << "-------" << endl;
    }
}

bool AWinner(char szBoxes[])
{
    for(int i = 0; i < 3; i ++)
    {
        if(szBoxes[i] == szBoxes[i+1] && szBoxes[i+1] == szBoxes[i+2])//Return true for a full row
            return true;
        else if(szBoxes[i] == szBoxes[i+3] && szBoxes[i+3] == szBoxes[i+6])//Return true for full column
            return true;
        else if(i == 0)
        {
            if(szBoxes[0] == szBoxes[4] && szBoxes[4] == szBoxes[8])//Diagonal t left to b right
                return true;
        }
        else if(i == 2)
        {
            if(szBoxes[2] == szBoxes[4] && szBoxes[4] == szBoxes[6])//Diagonal t right to b left
                return true;
        }
    }
    return false;
}

int main()
{
    char chPlayer = 'X'; // Holds the appropriate character for the current player
    char chInput = NULL;
    int nInput = 0;
    cout << "NOUGHTS AND CROSSES" << endl;
    while(true){
        cout << "Enter any key to start a new game." << endl;
        cin >> chInput;
        bool bWinner = false;
        char szBoxes[] = "012345678";
        int nTurn = 1; //1 or 2
        DrawGrid(szBoxes);    //Draw the initial grid
        while(!bWinner)
        {
            cout << "Player " << nTurn << " pick a box." << endl;
            while(true)
            {
                cin >> nInput;
                if(szBoxes[nInput] != 'X' && szBoxes[nInput] != 'Y')
                    break;
                cout << "Box has already been played, please choose another." << endl;
            }
            szBoxes[nInput] = (nTurn == 1) ? 'X' : 'O';//Player 1 is X. Player 2 is O.
            DrawGrid(szBoxes);
            if(AWinner(szBoxes))
                break;
            nTurn = (nTurn == 1) ? 2 : 1;
        }
        cout << "Player " << nTurn << " wins." << endl;
    }
    return 0;
}