analytics_3i

defmodule Analytics3i.Parsers.Value do
  defmodule Error do
    defexception reason: nil, id: nil
    @type t :: %__MODULE__{id: bitstring, reason: any}

    def message(%__MODULE__{reason: reason, id: nil}), do: inspect(reason)
    def message(%__MODULE__{reason: reason, id: id}), do: "[UUID: #{id}] - #{inspect reason}"
  end

  defstruct data: nil, id: nil, iteration: nil

  def reply(%{uuid: uuid, owner: owner, value: %__MODULE__{} = value}) when is_bitstring(uuid) and is_pid(owner) do
    send(owner, {:parsed, value})
  end
  def reply(%{value: %__MODULE__{} = value}), do: {:ok, value.data}
  def reply(_), do: :noop

  def error(%{uuid: uuid, owner: owner, reason: reason}) when is_bitstring(uuid) and is_pid(owner) do
    raise Error, id: uuid, reason: reason
  end
  def error(%{reason: reason}), do: {:error, reason}
end