defmodule Grizzly.ZWave.Commands.AntitheftUnlockSet do
  @moduledoc """
  This command is used to unlock a node that is currently locked.

  Params:

    * `:magic_code` - This field contains the Magic Code used to unlock the node.

  """

  @behaviour Grizzly.ZWave.Command

  alias Grizzly.ZWave.Command
  alias Grizzly.ZWave.CommandClasses.AntitheftUnlock

  @type param :: {:magic_code, String.t()}

  @impl true
  def new(params) do
    command = %Command{
      name: :antitheft_unlock_set,
      command_byte: 0x03,
      command_class: AntitheftUnlock,
      params: params,
      impl: __MODULE__
    }

    {:ok, command}
  end

  @impl true
  def encode_params(command) do
    magic_code = Command.param!(command, :magic_code) |> AntitheftUnlock.validate_magic_code()
    <<0x00::size(4), byte_size(magic_code)::size(4)>> <> magic_code
  end

  @impl true
  def decode_params(
        <<0x00::size(4), magic_code_size::size(4), magic_code::binary-size(magic_code_size)>>
      ) do
    {:ok, [magic_code: magic_code]}
  end
end