//Paul Fynn Kuemmel
//This plays tic tac toe, between 2 users.
#include <stdio.h>
#include <iostream>
#include <string>
using namespace std;

/**
 *@param The game board that the game is played on
 * @return Nothing
 */
void printBoard(char gameBoard[3][3] ){
    for (int y = 0; y < 3; y++){ //For each value of the row and column, the current value is printed
        for (int x = 0; x < 3; x++){
            cout << gameBoard [y] [x]; //This creates the board
        }
        cout << endl; //Seperates for the next line.
    }
}
/**
 * @param The Game board that the game is played on
 * @return The boolean variable of the victory.
 */
bool winnerDetermination(char gameBoard[3][3]){
    bool victoryRoyale = false; //Will determine if won or not
    string checker = ""; //String to plug characters into.
    int r = 0;
    int c = 0;
    string diagonal1 = ""; //Hardcoding the 2 diagonals.
    string diagonal2 = "";
    diagonal1 += gameBoard[0] [0];
    diagonal1 += gameBoard[1] [1];
    diagonal1 += gameBoard[2] [2];

    diagonal2 += gameBoard[0] [2];
    diagonal2 += gameBoard[1] [1]; //This creates the diagonals with each location being specific for each diagonal
    diagonal2 += gameBoard[2] [0];
    for(r = 0; r < 3; r++){ //For each row of the board this will run

        checker += gameBoard[r] [c];
        checker += gameBoard[r] [c + 1]; //Checks throughout each column.
        checker += gameBoard[r] [c + 2];
        if(checker == "XXX" or checker == "OOO"){ //If there are 3 of a kind, then victory is true
            victoryRoyale = true;
            break;
        }
        checker = "";
    }
    r = 0;
    for(c = 0; c < 3; c++){
        checker += gameBoard[r] [c];
        checker += gameBoard[r + 1] [c]; //For each column of the board, this will run
        checker += gameBoard[r + 2] [c];

        if(checker == "XXX" or checker == "OOO"){ //If there are 3 of a kind, then victory is true
          victoryRoyale = true;
          break;
        }

        checker = "";
    }
    c = 0;
    if(diagonal1 == "XXX" or diagonal1 == "OOO"){
        victoryRoyale = true;
    } //If the diagonals are 3 of a kind, then victory is true.
    if(diagonal2 == "XXX" or diagonal2 == "OOO"){
        victoryRoyale = true;
    }
    return victoryRoyale;
}
/***
 * @param The Victory determination
 * @return 0 to end cold heartedly and efficiently.
 */
int main()
{
    bool victoryRoyale = false;
    int r = 0; //Creates the rows and columns
    int c = 0;
    int playerTurn = 1; //Starts this off to determine the turn
    char gameBoard [3] [3]; //Creates the board
    bool endGame(false);
    for (int r = 0; r < 3; r++){
            for (int c = 0; c < 3; c++){
               gameBoard [c] [r] = '*';  //Places symbol as placeholders
            }
        }
    while (1){
        printBoard(gameBoard);
        if (playerTurn % 2 != 0){ //If it is odd then this runs
            cout << "Please enter the row and column of the location you want to place your X.";
            cin >> r >> c;
            while(gameBoard [r] [c] != '*'){ //Error validation
                cout << "There is already a character there you cheeky sod. Different row and column please.";
                cin >> r >> c;
            }
            gameBoard [r] [c] = 'X'; //Places character
            playerTurn ++;
            victoryRoyale = winnerDetermination(gameBoard); //Determines if there is a victory
        }
        else{
            cout << "Please enter the row and column of the location you want to place your O.";
            cin  >> r >> c;
            while(gameBoard [r] [c] != '*'){ //Error validation
                cout << "There is already a character there you cheeky sod. Different row and column please.";
                cin >> r >> c;
            }
            gameBoard [r] [c] = 'O'; //Places character
            playerTurn ++;
            victoryRoyale = winnerDetermination(gameBoard);
        }
        r = 0; //Refreshes the addresses.
        c = 0;
    if(victoryRoyale){ //If victory is true, then this comes out
            cout << "Congrats! You won the Game!";
            cout << endl;
            printBoard(gameBoard);
            break;
    }
    else if (playerTurn == 10){
        cout << "Well done to both of you for the Tie!";
        cout << endl;
        printBoard(gameBoard);
        break; //If not, then they tied.
    }
}
    return 0;
}