defmodule Eventos.Service.Activitypub.ActivitypubTest do
  use Eventos.DataCase

  import Eventos.Factory

  alias Eventos.Events
  alias Eventos.Actors.Actor
  alias Eventos.Actors
  alias Eventos.Service.ActivityPub
  alias Eventos.Activity

  describe "fetching actor from it's url" do
    test "returns an actor from nickname" do
      assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"} = actor} =
               ActivityPub.make_actor_from_nickname("tcit@framapiaf.org")
    end

    test "returns an actor from url" do
      assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"}} =
               Actors.get_or_fetch_by_url("https://framapiaf.org/users/tcit")
    end
  end

  describe "create activities" do
    test "removes doubled 'to' recipients" do
      actor = insert(:actor)

      {:ok, activity} =
        ActivityPub.create(%{
          to: ["user1", "user1", "user2"],
          actor: actor,
          context: "",
          object: %{}
        })

      assert activity.data["to"] == ["user1", "user2"]
      assert activity.actor == actor.url
      assert activity.recipients == ["user1", "user2"]
    end
  end

  describe "fetching an" do
    test "event by url" do
      {:ok, object} =
        ActivityPub.fetch_event_from_url("https://social.tcit.fr/@tcit/99908779444618462")

      {:ok, object_again} =
        ActivityPub.fetch_event_from_url("https://social.tcit.fr/@tcit/99908779444618462")

      assert object == object_again
    end
  end

  describe "deletion" do
    test "it creates a delete activity and deletes the original event" do
      event = insert(:event)
      event = Events.get_event_full_by_url!(event.url)
      {:ok, delete} = ActivityPub.delete(event)

      assert delete.data["type"] == "Delete"
      assert delete.data["actor"] == event.organizer_actor.url
      assert delete.data["object"] == event.url

      assert Events.get_event_by_url(event.url) == nil
    end

    test "it creates a delete activity and deletes the original comment" do
      comment = insert(:comment)
      comment = Events.get_comment_full_from_url!(comment.url)
      {:ok, delete} = ActivityPub.delete(comment)

      assert delete.data["type"] == "Delete"
      assert delete.data["actor"] == comment.actor.url
      assert delete.data["object"] == comment.url

      assert Events.get_comment_from_url(comment.url) == nil
    end
  end

  describe "update" do
    test "it creates an update activity with the new actor data" do
      actor = insert(:actor)
      actor_data = EventosWeb.ActivityPub.ActorView.render("actor.json", %{actor: actor})

      {:ok, update} =
        ActivityPub.update(%{
          actor: actor_data["url"],
          to: [actor.url <> "/followers"],
          cc: [],
          object: actor_data
        })

      assert update.data["actor"] == actor.url
      assert update.data["to"] == [actor.url <> "/followers"]
      assert update.data["object"]["id"] == actor_data["id"]
      assert update.data["object"]["type"] == actor_data["type"]
    end
  end
end