public class Game {

    private final Grid grid;
    private final PlacementError placementError;
    private Mark playingMark;

    public Game(PlacementError placementError) {
        grid = new Grid();
        playingMark = Mark.x();
        this.placementError = placementError;
    }

    public Game submit(Placement placement) {
        placement.validate(playingMark, grid, this);
        return this;
    }

    public Game validPlacement(Placement placement) {
        place(placement).switchPlayers();
        return this;
    }

    private Game place(Placement placement) {
        placement.place(grid);
        return this;
    }

    public Game invalidPlacement(Placement placement) {
        placementError.report(placement);
        return this;
    }

    private Game switchPlayers() {
        playingMark = playingMark.opponent();
        return this;
    }

    public Game printOn(GameMedia gameMedia) {
        grid.printOn(gameMedia);
        return this;
    }
}