defmodule Tetris do
  alias Tetris.{Bottom, Brick, Points}

  def prepare(brick) do
    brick
    |> Brick.prepare
    |> Points.move_to_location(brick.location)

  end

  def try_move(brick, bottom, f) do
    new_brick = f.(brick)

    if Bottom.collides?(bottom, prepare(new_brick)) do
        brick
    else
        new_brick
    end
  end

  def try_left(brick, bottom), do: try_move(brick,bottom, &Brick.left/1)
  def try_right(brick, bottom), do: try_move(brick,bottom, &Brick.right/1)
  def try_spin(brick, bottom), do: try_move(brick,bottom, &Brick.spin_90/1)

end