CliArcadeService/src/main/java/Game/TicTacToe/Board.java

package Game.TicTacToe;

import java.util.ArrayList;

public class Board {

    enum State {
        CIRCLE,
        CROSS,
        EMPTY
    }
    private State[] states;


    public Board() {
        states = new State[9];
        for (int i = 0; i < states.length; i++) {
            states[i] = State.EMPTY;
        }
    }



    public static char getStatedChar(State state) {
        switch (state) {
            case CIRCLE:
                return 'O';
            case CROSS:
                return 'X';
            case EMPTY:
                return ' ';
            default:
                return '-';
        }
    }



    /*
    1    ║2    ║3
      o  ║  x  ║  o
    ═════╬═════╬═════
    4    ║5    ║6
      o  ║  x  ║  o
    ═════╬═════╬═════
    7    ║8    ║9
      o  ║  x  ║  o
 */
    public ArrayList<String> getOutputBoard() {
        ArrayList<String> outputBoard = new ArrayList<>();
        outputBoard.add("1    ║2    ║3");
        outputBoard.add("  " + getStatedChar(states[0]) + "  ║  " + getStatedChar(states[1]) + "  ║  " + getStatedChar(states[2]) +"  ");
        outputBoard.add("═════╬═════╬═════");

        outputBoard.add("4    ║5    ║6");
        outputBoard.add("  " + getStatedChar(states[3]) + "  ║  " + getStatedChar(states[4]) + "  ║  " + getStatedChar(states[5]) +"  ");
        outputBoard.add("═════╬═════╬═════");

        outputBoard.add("7    ║8    ║9");
        outputBoard.add("  " + getStatedChar(states[6]) + "  ║  " + getStatedChar(states[7]) + "  ║  " + getStatedChar(states[8]) +"  ");

        return outputBoard;
    }
    
    public State[] getStates() {
        return this.states;
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof Board)) {
            return false;
        }
        Board x = (Board)o;
        for (int i = 0; i < x.getStates().length; i++) {
            if (this.getStates()[i] != x.getStates()[i]) {
                return false;
            }
        }
        return true;
    }
}