Natour, O. 10/17/16 Csc-220 TicTacToe

/*
 * Omar Natour
 * 10/17/2016
 * Csc-220 Data Structures
 * Hw4 Tic Tac Toe
 * Create a tic tac toe object
 * Ojnatour0001@student.stcc.edu
 */

package tictactoe;

public class TicTacToe {

    private char[][] caBoard = new char[3][3];
    private int turns;

    public TicTacToe() {

        for (int i = 0; i < caBoard.length; i++) {
            for (int j = 0; j < caBoard[i].length; j++) {
                caBoard[i][j] = ' ';
            }
        }
        turns = 0;
    }

    public int getTurns() {
        return this.turns;
    }

    public char getPlayerAt(int r, int c) {
        return this.caBoard[r][c];
    }

    public String toString() {
        String sBoard = "+---+---+---+ \n";

        for (int i = 0; i < caBoard.length; i++) {
            for (int j = 0; j < caBoard[i].length; j++) {
                sBoard += ("| " + caBoard[i][j] + " ");
            }
            sBoard += "|";
            sBoard += "\n";

            for (int k = 0; k < caBoard.length; k++) {
                sBoard += ("+---");
            }

            sBoard += "+";
            sBoard += ("\n");
        }
        return sBoard;
    }

    public void playMove(char p, int r, int c) {
        if (isValid(r, c)) {
            this.caBoard[r][c] = p;
            this.turns++;
        }
    }

    public boolean isValid(int r, int c) {
        if ((r >= 0 && r <= this.caBoard.length) && (c >= 0 && c <= this.caBoard[r].length))
            return true;
        return false;
    }

    public boolean isWinner(char p) {

        if ((caBoard[0][0] == p && caBoard[1][1] == p && caBoard[2][2] == p)
                || (caBoard[0][2] == p && caBoard[1][1] == p && caBoard[2][0] == p))
            return true;

        for (int i = 0; i < this.caBoard.length; i++) {
            if (checkColumn(p, i))
                return true;
        }

        for (int i = 0; i < this.caBoard.length; i++) {
            if (checkRow(p, i))
                return true;
        }

        return false;
    }

    private boolean checkRow(char p, int r) {
        for (int i = 0; i < this.caBoard.length; i++) {
            if (caBoard[r][i] != p)
                return false;
        }
        return true;
    }

    private boolean checkColumn(char p, int c) {
        for (int i = 0; i < this.caBoard.length; i++) {
            if (caBoard[i][c] != p)
                return false;
        }
        return true;
    }

    public boolean isFull() {
        if (this.turns >= 9)
            return true;
        return false;
    }

    private boolean isTied() {
        if (isFull() && !(isWinner('X') || isWinner('O')))
            return true;
        return false;
    }
}