Board.java

package com.example.paktalin.agilejava_exercises;

import com.example.paktalin.agilejava_exercises.pieces.Piece;

import java.util.List;

import static com.example.paktalin.agilejava_exercises.pieces.Piece.Color.*;

/**
 * Created by Paktalin on 23/05/2018.
 */

public class Board {
    private BoardLayout layout;

    private Side whiteSide = new Side();
    private Side blackSide = new Side();

    private Board() {}

    public static Board createEmpty() {
        Board board = new Board();
        board.layout = BoardLayout.create(board);
        return board;
    }

    static Board createInitialized() {
        Board board = Board.createEmpty();
        board.layout.initialize();
        return board;
    }

    public void placePiece(Piece piece, String position) {
        layout.placePiece(piece, Position.create(position));
    }

    public void placePiece(Piece piece, Position position) {
        layout.placePiece(piece, position);
    }

    public void move(Position from, Position to) {
        Piece piece = layout.getPieceAtPosition(from);
        if (piece.isMovable(from, to))
            layout.move(from, to);
    }

    public void move(Piece piece, Position to) {
        move(piece.getPosition(), to);
    }

    public Piece getPieceAtPosition(String position) {
        return layout.getPieceAtPosition(Position.create(position));
    }

    public Piece getPieceAtPosition(Position position) {
        return layout.getPieceAtPosition(position);
    }

    String print() {
        return layout.print();
    }

    void addToCollection(Piece piece) {
        getSide(piece.getColor()).addPiece(piece);
    }

    private Side getSide(Piece.Color color){
        if (color == White)
            return whiteSide;
        return blackSide;
    }

    int getPiecesCount() {
        return getPiecesCount(Black) + getPiecesCount(White);
    }
    double getStrength(Piece.Color color) {
        return getSide(color).getStrength();
    }
    List<Piece> getPieces(Piece.Color color) {
        return getSide(color).getPieces();
    }
    int getPiecesCount(Piece.Color color){
        return getSide(color).getPiecesCount();
    }
}