#include <iostream>
using namespace::std;

class GameBoard {

public:
    char board[9] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
    //Display the gameboard
    void displayboard(){
        cout << "---------------------" << endl << endl;
        cout << "     |     |     " << endl;
        cout << "  " << board[0] << "  |  " << board[1] << "  |  " << board[2] << endl;
        cout << "_____|_____|_____" << endl;
        cout << "     |     |     " << endl;
        cout << "  " << board[3] << "  |  " << board[4] << "  |  " << board[5] << endl;
        cout << "_____|_____|_____" << endl;
        cout << "     |     |     " << endl;
        cout << "  " << board[6] << "  |  " << board[7] << "  |  " << board[8] << endl;
        cout << "     |     |     " << endl;
        std::cout << "   Tic Tac Toe" << std::endl;
    }
    // Return 1 if player has won
    // Return 0 if all moves have been taken aka draw
    // Return -1 if games still playing
    int wincheck(){
        if (board[0] == board[1] && board[1] == board[2])
            return 1;
        else if (board[3] == board[4] && board[4] == board[5])
            return 1;
        else if (board[6] == board[7] && board[7] == board[8])
            return 1;
        else if (board[0] == board[3] && board[3] == board[6])
            return 1;
        else if (board[1] == board[4] && board[4] == board[7])
            return 1;
        else if (board[2] == board[6] && board[6] == board[8])
            return 1;
        else if (board[0] == board[4] && board[4] == board[8])
            return 1;
        else if (board[2] == board[4] && board[4] == board[6])
            return 1;
        //might be better to use a counter to just end the game at 9 turns since no more valid moves are avaliable??
        else if (board[0] != '1' && board[1] != '2' && board[2] != '3'
            && board[3] != '4' && board[4] != '5' && board[5] != '6'
            && board[6] != '7' && board[7] != '8' && board[8] != '9')
            return 0;
        else
            return -1;
    }


}GameOn;

int main(){

    int i = -1;
    int choice = '5';
    int playerturn = 'X';
    char playerletter = 'X';

    do{
        GameOn.displayboard();
        if (playerturn == 'X'){
            std::cout << "Player X turn: ";
            playerletter = 'X';
            playerturn = 'O';
        }
        else if (playerturn == 'O'){
            std::cout << "Player O turn: ";
            playerletter = 'O';
            playerturn = 'X';
        }
        // TODO: Include a method so that when the player enters a taken index the player is allowed another turn to correct their mistake
        std::cin >> choice;
        if (GameOn.board[(choice - 1)] != 'X' && GameOn.board[(choice - 1)] != 'O'){
            GameOn.board[(choice - 1)] = playerletter;
        }
        else
            std::cout << "Enter a position not taken next time..." << std::endl;

        i = GameOn.wincheck();
    } while (i == -1);
    GameOn.displayboard();
    // Win or Draw check
    if (i == 0){
        std::cout << "The game is a draw!" << std::endl;
    }
    // ERROR: playerletter displays random numbers possibly a scope issue relating to declaration/assignment error idk
    else if (i == 1){
        std::cout << "Player " << playerletter << " has won." << std::endl;
    }
    else{
        std::cout << "I AM ERROR" << std::endl;
    }
    //IGNORE PREVIOUS COMMENTS
    //to do player turn make it so we start on X then once we get the choice we check that array index to see
    //if it is empty of O or X and if empty we assign that player to there and then assign the turn to the other player
}



/*
// The 'Gameboard'
void gameboard(){
    cout << "---------------------" << endl << endl;
    cout << "     |     |     " << endl;
    cout << "  " << board[0] << "  |  " << board[1] << "  |  " << board[2] << endl;
    cout << "_____|_____|_____" << endl;
    cout << "     |     |     " << endl;
    cout << "  " << board[3] << "  |  " << board[4] << "  |  " << board[5] << endl;
    cout << "_____|_____|_____" << endl;
    cout << "     |     |     " << endl;
    cout << "  " << board[6] << "  |  " << board[7] << "  |  " << board[8] << endl;
    cout << "     |     |     " << endl;
    std::cout << "   Tic Tac Toe" << std::endl;

}

// Return 1 if player has won
// Return 0 if all moves have been taken aka draw
// Return -1 if games still playing
int wincheck(){
    if (board[0] == board[1] && board[1] == board[2])
        return 1;
    else if (board[3] == board[4] && board[4] == board[5])
        return 1;
    else if (board[6] == board[7] && board[7] == board[8])
        return 1;
    else if (board[0] == board[3] && board[3] == board[6])
        return 1;
    else if (board[1] == board[4] && board[4] == board[7])
        return 1;
    else if (board[2] == board[6] && board[6] == board[8])
        return 1;
    else if (board[0] == board[4] && board[4] == board[8])
        return 1;
    else if (board[2] == board[4] && board[4] == board[6])
        return 1;
    //might be better to use a counter to just end the game at 9 turns since no more valid moves are avaliable??
    else if (board[0] != '1' && board[1] != '2' && board[2] != '3'
        && board[3] != '4' && board[4] != '5' && board[5] != '6'
        && board[6] != '7' && board[7] != '8' && board[8] != '9')
        return 0;
    else
        return -1;
}
*/