Remote Control Car

	defmodule RemoteControlCar do
	  # Please implement the struct with the specified fields
	  @enforce_keys [:nickname]
	  defstruct [:nickname, battery_percentage: 100, distance_driven_in_meters: 0]

	  def new() do
		# Please implement the new/0 function
		%RemoteControlCar{nickname: "none"}
	  end

	  def new(nickname) do
		# Please implement the new/1 function
		%RemoteControlCar{nickname: nickname}
	  end

	  def display_distance(%RemoteControlCar{} = remote_car) do
		# Please implement the display_distance/1 function
		"#{remote_car.distance_driven_in_meters} meters"  
	  end

	  def display_battery(%RemoteControlCar{battery_percentage: percentage} = remote_car) do
		# Please implement the display_battery/1 function
		if percentage != 0, do: "Battery at #{percentage}%", else: "Battery empty"
	  end

	  def drive(%RemoteControlCar{battery_percentage: battery} = remote_car) do
		# Please implement the drive/1 function
		if (battery != 0) , do: %{remote_car | distance_driven_in_meters: 20 , battery_percentage: 99 } , else: remote_car
	  end

	end