defmodule NullaWeb.ActivityJSON do
  alias Nulla.Activities.Activity

  @doc """
  Renders a list of activities.
  """
  def index(%{activities: activities}) do
    %{data: for(activity <- activities, do: data(activity))}
  end

  @doc """
  Renders a single activity.
  """
  def show(%{activity: activity}) do
    %{data: data(activity)}
  end

  defp data(%Activity{} = activity) do
    %{
      id: activity.id,
      ap_id: activity.ap_id,
      type: activity.type,
      actor: activity.actor,
      object: activity.object,
      to: activity.to,
      cc: activity.cc
    }
  end

  def activitypub(%Activity{} = activity) do
    Jason.OrderedObject.new(
      "@context": "https://www.w3.org/ns/activitystreams",
      id: activity.ap_id,
      type: activity.type,
      actor: activity.actor,
      object: activity.object,
      to: activity.to,
      cc: activity.cc
    )
  end
end