# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.TwitterAPI.ActivityViewTest do
  use Pleroma.DataCase

  alias Pleroma.Activity
  alias Pleroma.Repo
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.CommonAPI
  alias Pleroma.Web.CommonAPI.Utils
  alias Pleroma.Web.TwitterAPI.ActivityView
  alias Pleroma.Web.TwitterAPI.UserView

  import Pleroma.Factory
  import Tesla.Mock

  setup do
    mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
    :ok
  end

  import Mock

  test "returns a temporary ap_id based user for activities missing db users" do
    user = insert(:user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!", "visibility" => "direct"})

    Repo.delete(user)
    Cachex.clear(:user_cache)

    %{"user" => tw_user} = ActivityView.render("activity.json", activity: activity)

    assert tw_user["screen_name"] == "erroruser@example.com"
    assert tw_user["name"] == user.ap_id
    assert tw_user["statusnet_profile_url"] == user.ap_id
  end

  test "tries to get a user by nickname if fetching by ap_id doesn't work" do
    user = insert(:user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!", "visibility" => "direct"})

    {:ok, user} =
      user
      |> Ecto.Changeset.change(%{ap_id: "#{user.ap_id}/extension/#{user.nickname}"})
      |> Repo.update()

    Cachex.clear(:user_cache)

    result = ActivityView.render("activity.json", activity: activity)
    assert result["user"]["id"] == user.id
  end

  test "tells if the message is muted for some reason" do
    user = insert(:user)
    other_user = insert(:user)

    {:ok, user} = User.mute(user, other_user)

    {:ok, activity} = CommonAPI.post(other_user, %{"status" => "test"})
    status = ActivityView.render("activity.json", %{activity: activity})

    assert status["muted"] == false

    status = ActivityView.render("activity.json", %{activity: activity, for: user})

    assert status["muted"] == true
  end

  test "a create activity with a html status" do
    text = """
    #Bike log - Commute Tuesday\nhttps://pla.bike/posts/20181211/\n#cycling #CHScycling #commute\nMVIMG_20181211_054020.jpg
    """

    {:ok, activity} = CommonAPI.post(insert(:user), %{"status" => text})

    result = ActivityView.render("activity.json", activity: activity)

    assert result["statusnet_html"] ==
             "<a class=\"hashtag\" data-tag=\"bike\" href=\"http://localhost:4001/tag/bike\" rel=\"tag\">#Bike</a> log - Commute Tuesday<br /><a href=\"https://pla.bike/posts/20181211/\">https://pla.bike/posts/20181211/</a><br /><a class=\"hashtag\" data-tag=\"cycling\" href=\"http://localhost:4001/tag/cycling\" rel=\"tag\">#cycling</a> <a class=\"hashtag\" data-tag=\"chscycling\" href=\"http://localhost:4001/tag/chscycling\" rel=\"tag\">#CHScycling</a> <a class=\"hashtag\" data-tag=\"commute\" href=\"http://localhost:4001/tag/commute\" rel=\"tag\">#commute</a><br />MVIMG_20181211_054020.jpg"

    assert result["text"] ==
             "#Bike log - Commute Tuesday\nhttps://pla.bike/posts/20181211/\n#cycling #CHScycling #commute\nMVIMG_20181211_054020.jpg"
  end

  test "a create activity with a summary containing emoji" do
    {:ok, activity} =
      CommonAPI.post(insert(:user), %{
        "spoiler_text" => ":woollysocks: meow",
        "status" => "."
      })

    result = ActivityView.render("activity.json", activity: activity)

    expected = ":woollysocks: meow"

    expected_html =
      "<img height=\"32px\" width=\"32px\" alt=\"woollysocks\" title=\"woollysocks\" src=\"http://localhost:4001/finmoji/128px/woollysocks-128.png\" /> meow"

    assert result["summary"] == expected
    assert result["summary_html"] == expected_html
  end

  test "a create activity with a summary containing invalid HTML" do
    {:ok, activity} =
      CommonAPI.post(insert(:user), %{
        "spoiler_text" => "<span style=\"color: magenta; font-size: 32px;\">meow</span>",
        "status" => "."
      })

    result = ActivityView.render("activity.json", activity: activity)

    expected = "meow"

    assert result["summary"] == expected
    assert result["summary_html"] == expected
  end

  test "a create activity with a note" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!", "visibility" => "direct"})

    result = ActivityView.render("activity.json", activity: activity)

    convo_id = Utils.context_to_conversation_id(activity.data["object"]["context"])

    expected = %{
      "activity_type" => "post",
      "attachments" => [],
      "attentions" => [
        UserView.render("show.json", %{user: other_user})
      ],
      "created_at" => activity.data["object"]["published"] |> Utils.date_to_asctime(),
      "external_url" => activity.data["object"]["id"],
      "fave_num" => 0,
      "favorited" => false,
      "id" => activity.id,
      "in_reply_to_status_id" => nil,
      "in_reply_to_screen_name" => nil,
      "in_reply_to_user_id" => nil,
      "in_reply_to_profileurl" => nil,
      "in_reply_to_ostatus_uri" => nil,
      "is_local" => true,
      "is_post_verb" => true,
      "possibly_sensitive" => false,
      "repeat_num" => 0,
      "repeated" => false,
      "pinned" => false,
      "statusnet_conversation_id" => convo_id,
      "summary" => "",
      "summary_html" => "",
      "statusnet_html" =>
        "Hey <span class=\"h-card\"><a data-user=\"#{other_user.id}\" class=\"u-url mention\" href=\"#{
          other_user.ap_id
        }\">@<span>shp</span></a></span>!",
      "tags" => [],
      "text" => "Hey @shp!",
      "uri" => activity.data["object"]["id"],
      "user" => UserView.render("show.json", %{user: user}),
      "visibility" => "direct",
      "card" => nil,
      "muted" => false
    }

    assert result == expected
  end

  test "a list of activities" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})
    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})

    convo_id = Utils.context_to_conversation_id(activity.data["object"]["context"])

    mocks = [
      {
        TwitterAPI,
        [],
        [context_to_conversation_id: fn _ -> false end]
      },
      {
        User,
        [:passthrough],
        [get_cached_by_ap_id: fn _ -> nil end]
      }
    ]

    with_mocks mocks do
      [result] = ActivityView.render("index.json", activities: [activity])

      assert result["statusnet_conversation_id"] == convo_id
      assert result["user"]
      refute called(Utils.context_to_conversation_id(:_))
      refute called(User.get_cached_by_ap_id(user.ap_id))
      refute called(User.get_cached_by_ap_id(other_user.ap_id))
    end
  end

  test "an activity that is a reply" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})

    {:ok, answer} =
      CommonAPI.post(other_user, %{"status" => "Hi!", "in_reply_to_status_id" => activity.id})

    result = ActivityView.render("activity.json", %{activity: answer})

    assert result["in_reply_to_status_id"] == activity.id
  end

  test "a like activity" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})
    {:ok, like, _object} = CommonAPI.favorite(activity.id, other_user)

    result = ActivityView.render("activity.json", activity: like)
    activity = Pleroma.Activity.get_by_ap_id(activity.data["id"])

    expected = %{
      "activity_type" => "like",
      "created_at" => like.data["published"] |> Utils.date_to_asctime(),
      "external_url" => like.data["id"],
      "id" => like.id,
      "in_reply_to_status_id" => activity.id,
      "is_local" => true,
      "is_post_verb" => false,
      "favorited_status" => ActivityView.render("activity.json", activity: activity),
      "statusnet_html" => "shp favorited a status.",
      "text" => "shp favorited a status.",
      "uri" => "tag:#{like.data["id"]}:objectType=Favourite",
      "user" => UserView.render("show.json", user: other_user)
    }

    assert result == expected
  end

  test "a like activity for deleted post" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})
    {:ok, like, _object} = CommonAPI.favorite(activity.id, other_user)
    CommonAPI.delete(activity.id, user)

    result = ActivityView.render("activity.json", activity: like)

    expected = %{
      "activity_type" => "like",
      "created_at" => like.data["published"] |> Utils.date_to_asctime(),
      "external_url" => like.data["id"],
      "id" => like.id,
      "in_reply_to_status_id" => nil,
      "is_local" => true,
      "is_post_verb" => false,
      "favorited_status" => nil,
      "statusnet_html" => "shp favorited a status.",
      "text" => "shp favorited a status.",
      "uri" => "tag:#{like.data["id"]}:objectType=Favourite",
      "user" => UserView.render("show.json", user: other_user)
    }

    assert result == expected
  end

  test "an announce activity" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})
    {:ok, announce, _object} = CommonAPI.repeat(activity.id, other_user)

    convo_id = Utils.context_to_conversation_id(activity.data["object"]["context"])

    activity = Repo.get(Activity, activity.id)

    result = ActivityView.render("activity.json", activity: announce)

    expected = %{
      "activity_type" => "repeat",
      "created_at" => announce.data["published"] |> Utils.date_to_asctime(),
      "external_url" => announce.data["id"],
      "id" => announce.id,
      "is_local" => true,
      "is_post_verb" => false,
      "statusnet_html" => "shp retweeted a status.",
      "text" => "shp retweeted a status.",
      "uri" => "tag:#{announce.data["id"]}:objectType=note",
      "user" => UserView.render("show.json", user: other_user),
      "retweeted_status" => ActivityView.render("activity.json", activity: activity),
      "statusnet_conversation_id" => convo_id
    }

    assert result == expected
  end

  test "A follow activity" do
    user = insert(:user)
    other_user = insert(:user, %{nickname: "shp"})

    {:ok, follower} = User.follow(user, other_user)
    {:ok, follow} = ActivityPub.follow(follower, other_user)

    result = ActivityView.render("activity.json", activity: follow)

    expected = %{
      "activity_type" => "follow",
      "attentions" => [],
      "created_at" => follow.data["published"] |> Utils.date_to_asctime(),
      "external_url" => follow.data["id"],
      "id" => follow.id,
      "in_reply_to_status_id" => nil,
      "is_local" => true,
      "is_post_verb" => false,
      "statusnet_html" => "#{user.nickname} started following shp",
      "text" => "#{user.nickname} started following shp",
      "user" => UserView.render("show.json", user: user)
    }

    assert result == expected
  end

  test "a delete activity" do
    user = insert(:user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Hey @shp!"})
    {:ok, delete} = CommonAPI.delete(activity.id, user)

    result = ActivityView.render("activity.json", activity: delete)

    expected = %{
      "activity_type" => "delete",
      "attentions" => [],
      "created_at" => delete.data["published"] |> Utils.date_to_asctime(),
      "external_url" => delete.data["id"],
      "id" => delete.id,
      "in_reply_to_status_id" => nil,
      "is_local" => true,
      "is_post_verb" => false,
      "statusnet_html" => "deleted notice {{tag",
      "text" => "deleted notice {{tag",
      "uri" => delete.data["object"],
      "user" => UserView.render("show.json", user: user)
    }

    assert result == expected
  end

  test "a peertube video" do
    {:ok, object} =
      ActivityPub.fetch_object_from_id(
        "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
      )

    %Activity{} = activity = Activity.get_create_by_object_ap_id(object.data["id"])

    result = ActivityView.render("activity.json", activity: activity)

    assert length(result["attachments"]) == 1
    assert result["summary"] == "Friday Night"
  end
end