defmodule Manganese.SerializationKit.Structs.UnityComponent do
  @moduledoc """

  """

  alias Manganese.SerializationKit.Structs
  alias Manganese.SerializationKit.Enumerations

  @typedoc """

  """
  @type id :: pos_integer

  @typedoc """

  """
  @type t :: %Structs.UnityComponent{
    id: id,
    type: Enumerations.UnityComponentType.t
  }
  defstruct [
    :id,
    :type
  ]

  # Deserialization

  @doc """

  """
  @spec from_map(t_external) :: t
  def from_map(%{ "id" => id, "type" => type } = params) do
    type = Enumerations.UnityComponentType.from_integer type

    case type do
      :transform    -> Structs.UnityTransformComponent.from_map params
      :box_collider -> Structs.UnityBoxColliderComponent.from_map params
      _ ->
        %Structs.UnityComponent{
          id: id,
          type: type
        }
    end
  end


  # Serialization
  @type t_external :: map

  @doc """

  """
  @spec to_map(t) :: t_external
  def to_map(%Structs.UnityComponent{
    id: id,
    type: type
  }) do
    %{
      "id" => id,
      "type" => Enumerations.UnityComponentType.to_integer(type)
    }
  end

  def to_map(unity_component) do
    case unity_component.type do
      :transform    -> Structs.UnityTransformComponent.to_map unity_component
      :box_collider -> Structs.UnityBoxColliderComponent.to_map unity_component
    end
  end
end