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

defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
  use Pleroma.DataCase

  alias Pleroma.Activity
  alias Pleroma.Bookmark
  alias Pleroma.Conversation.Participation
  alias Pleroma.HTML
  alias Pleroma.Object
  alias Pleroma.Repo
  alias Pleroma.User
  alias Pleroma.Web.CommonAPI
  alias Pleroma.Web.CommonAPI.Utils
  alias Pleroma.Web.MastodonAPI.AccountView
  alias Pleroma.Web.MastodonAPI.StatusView
  import Pleroma.Factory
  import Tesla.Mock

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

  test "loads and returns the direct conversation id when given the `with_direct_conversation_id` option" do
    user = insert(:user)

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

    status =
      StatusView.render("show.json",
        activity: activity,
        with_direct_conversation_id: true,
        for: user
      )

    assert status[:pleroma][:direct_conversation_id] == participation.id

    status = StatusView.render("show.json", activity: activity, for: user)
    assert status[:pleroma][:direct_conversation_id] == nil
  end

  test "returns the direct conversation id when given the `direct_conversation_id` option" do
    user = insert(:user)

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

    status =
      StatusView.render("show.json",
        activity: activity,
        direct_conversation_id: participation.id,
        for: user
      )

    assert status[:pleroma][:direct_conversation_id] == participation.id
  end

  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)

    %{account: ms_user} = StatusView.render("show.json", activity: activity)

    assert ms_user.acct == "erroruser@example.com"
  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 = StatusView.render("show.json", activity: activity)

    assert result[:account][:id] == to_string(user.id)
  end

  test "a note with null content" do
    note = insert(:note_activity)
    note_object = Object.normalize(note)

    data =
      note_object.data
      |> Map.put("content", nil)

    Object.change(note_object, %{data: data})
    |> Object.update_and_set_cache()

    User.get_cached_by_ap_id(note.data["actor"])

    status = StatusView.render("show.json", %{activity: note})

    assert status.content == ""
  end

  test "a note activity" do
    note = insert(:note_activity)
    object_data = Object.normalize(note).data
    user = User.get_cached_by_ap_id(note.data["actor"])

    convo_id = Utils.context_to_conversation_id(object_data["context"])

    status = StatusView.render("show.json", %{activity: note})

    created_at =
      (object_data["published"] || "")
      |> String.replace(~r/\.\d+Z/, ".000Z")

    expected = %{
      id: to_string(note.id),
      uri: object_data["id"],
      url: Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, note),
      account: AccountView.render("show.json", %{user: user}),
      in_reply_to_id: nil,
      in_reply_to_account_id: nil,
      card: nil,
      reblog: nil,
      content: HTML.filter_tags(object_data["content"]),
      created_at: created_at,
      reblogs_count: 0,
      replies_count: 0,
      favourites_count: 0,
      reblogged: false,
      bookmarked: false,
      favourited: false,
      muted: false,
      pinned: false,
      sensitive: false,
      poll: nil,
      spoiler_text: HTML.filter_tags(object_data["summary"]),
      visibility: "public",
      media_attachments: [],
      mentions: [],
      tags: [
        %{
          name: "#{object_data["tag"]}",
          url: "/tag/#{object_data["tag"]}"
        }
      ],
      application: %{
        name: "Web",
        website: nil
      },
      language: nil,
      emojis: [
        %{
          shortcode: "2hu",
          url: "corndog.png",
          static_url: "corndog.png",
          visible_in_picker: false
        }
      ],
      pleroma: %{
        local: true,
        conversation_id: convo_id,
        in_reply_to_account_acct: nil,
        content: %{"text/plain" => HTML.strip_tags(object_data["content"])},
        spoiler_text: %{"text/plain" => HTML.strip_tags(object_data["summary"])},
        expires_at: nil,
        direct_conversation_id: nil,
        thread_muted: false
      }
    }

    assert status == expected
  end

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

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

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

    assert status.muted == false

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

    assert status.muted == true
  end

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

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

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

    assert status.pleroma.thread_muted == false

    {:ok, activity} = CommonAPI.add_mute(user, activity)

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

    assert status.pleroma.thread_muted == true
  end

  test "tells if the status is bookmarked" do
    user = insert(:user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "Cute girls doing cute things"})
    status = StatusView.render("show.json", %{activity: activity})

    assert status.bookmarked == false

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

    assert status.bookmarked == false

    {:ok, _bookmark} = Bookmark.create(user.id, activity.id)

    activity = Activity.get_by_id_with_object(activity.id)

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

    assert status.bookmarked == true
  end

  test "a reply" do
    note = insert(:note_activity)
    user = insert(:user)

    {:ok, activity} =
      CommonAPI.post(user, %{"status" => "he", "in_reply_to_status_id" => note.id})

    status = StatusView.render("show.json", %{activity: activity})

    assert status.in_reply_to_id == to_string(note.id)

    [status] = StatusView.render("index.json", %{activities: [activity], as: :activity})

    assert status.in_reply_to_id == to_string(note.id)
  end

  test "contains mentions" do
    user = insert(:user)
    mentioned = insert(:user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "hi @#{mentioned.nickname}"})

    status = StatusView.render("show.json", %{activity: activity})

    assert status.mentions ==
             Enum.map([mentioned], fn u -> AccountView.render("mention.json", %{user: u}) end)
  end

  test "create mentions from the 'to' field" do
    %User{ap_id: recipient_ap_id} = insert(:user)
    cc = insert_pair(:user) |> Enum.map(& &1.ap_id)

    object =
      insert(:note, %{
        data: %{
          "to" => [recipient_ap_id],
          "cc" => cc
        }
      })

    activity =
      insert(:note_activity, %{
        note: object,
        recipients: [recipient_ap_id | cc]
      })

    assert length(activity.recipients) == 3

    %{mentions: [mention] = mentions} = StatusView.render("show.json", %{activity: activity})

    assert length(mentions) == 1
    assert mention.url == recipient_ap_id
  end

  test "create mentions from the 'tag' field" do
    recipient = insert(:user)
    cc = insert_pair(:user) |> Enum.map(& &1.ap_id)

    object =
      insert(:note, %{
        data: %{
          "cc" => cc,
          "tag" => [
            %{
              "href" => recipient.ap_id,
              "name" => recipient.nickname,
              "type" => "Mention"
            },
            %{
              "href" => "https://example.com/search?tag=test",
              "name" => "#test",
              "type" => "Hashtag"
            }
          ]
        }
      })

    activity =
      insert(:note_activity, %{
        note: object,
        recipients: [recipient.ap_id | cc]
      })

    assert length(activity.recipients) == 3

    %{mentions: [mention] = mentions} = StatusView.render("show.json", %{activity: activity})

    assert length(mentions) == 1
    assert mention.url == recipient.ap_id
  end

  test "attachments" do
    object = %{
      "type" => "Image",
      "url" => [
        %{
          "mediaType" => "image/png",
          "href" => "someurl"
        }
      ],
      "uuid" => 6
    }

    expected = %{
      id: "1638338801",
      type: "image",
      url: "someurl",
      remote_url: "someurl",
      preview_url: "someurl",
      text_url: "someurl",
      description: nil,
      pleroma: %{mime_type: "image/png"}
    }

    assert expected == StatusView.render("attachment.json", %{attachment: object})

    # If theres a "id", use that instead of the generated one
    object = Map.put(object, "id", 2)
    assert %{id: "2"} = StatusView.render("attachment.json", %{attachment: object})
  end

  test "put the url advertised in the Activity in to the url attribute" do
    id = "https://wedistribute.org/wp-json/pterotype/v1/object/85810"
    [activity] = Activity.search(nil, id)

    status = StatusView.render("show.json", %{activity: activity})

    assert status.uri == id
    assert status.url == "https://wedistribute.org/2019/07/mastodon-drops-ostatus/"
  end

  test "a reblog" do
    user = insert(:user)
    activity = insert(:note_activity)

    {:ok, reblog, _} = CommonAPI.repeat(activity.id, user)

    represented = StatusView.render("show.json", %{for: user, activity: reblog})

    assert represented[:id] == to_string(reblog.id)
    assert represented[:reblog][:id] == to_string(activity.id)
    assert represented[:emojis] == []
  end

  test "a peertube video" do
    user = insert(:user)

    {:ok, object} =
      Pleroma.Object.Fetcher.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"])

    represented = StatusView.render("show.json", %{for: user, activity: activity})

    assert represented[:id] == to_string(activity.id)
    assert length(represented[:media_attachments]) == 1
  end

  test "a Mobilizon event" do
    user = insert(:user)

    {:ok, object} =
      Pleroma.Object.Fetcher.fetch_object_from_id(
        "https://mobilizon.org/events/252d5816-00a3-4a89-a66f-15bf65c33e39"
      )

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

    represented = StatusView.render("show.json", %{for: user, activity: activity})

    assert represented[:id] == to_string(activity.id)
  end

  describe "build_tags/1" do
    test "it returns a a dictionary tags" do
      object_tags = [
        "fediverse",
        "mastodon",
        "nextcloud",
        %{
          "href" => "https://kawen.space/users/lain",
          "name" => "@lain@kawen.space",
          "type" => "Mention"
        }
      ]

      assert StatusView.build_tags(object_tags) == [
               %{name: "fediverse", url: "/tag/fediverse"},
               %{name: "mastodon", url: "/tag/mastodon"},
               %{name: "nextcloud", url: "/tag/nextcloud"}
             ]
    end
  end

  describe "rich media cards" do
    test "a rich media card without a site name renders correctly" do
      page_url = "http://example.com"

      card = %{
        url: page_url,
        image: page_url <> "/example.jpg",
        title: "Example website"
      }

      %{provider_name: "example.com"} =
        StatusView.render("card.json", %{page_url: page_url, rich_media: card})
    end

    test "a rich media card without a site name or image renders correctly" do
      page_url = "http://example.com"

      card = %{
        url: page_url,
        title: "Example website"
      }

      %{provider_name: "example.com"} =
        StatusView.render("card.json", %{page_url: page_url, rich_media: card})
    end

    test "a rich media card without an image renders correctly" do
      page_url = "http://example.com"

      card = %{
        url: page_url,
        site_name: "Example site name",
        title: "Example website"
      }

      %{provider_name: "Example site name"} =
        StatusView.render("card.json", %{page_url: page_url, rich_media: card})
    end

    test "a rich media card with all relevant data renders correctly" do
      page_url = "http://example.com"

      card = %{
        url: page_url,
        site_name: "Example site name",
        title: "Example website",
        image: page_url <> "/example.jpg",
        description: "Example description"
      }

      %{provider_name: "Example site name"} =
        StatusView.render("card.json", %{page_url: page_url, rich_media: card})
    end
  end

  test "embeds a relationship in the account" do
    user = insert(:user)
    other_user = insert(:user)

    {:ok, activity} =
      CommonAPI.post(user, %{
        "status" => "drink more water"
      })

    result = StatusView.render("show.json", %{activity: activity, for: other_user})

    assert result[:account][:pleroma][:relationship] ==
             AccountView.render("relationship.json", %{user: other_user, target: user})
  end

  test "embeds a relationship in the account in reposts" do
    user = insert(:user)
    other_user = insert(:user)

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

    {:ok, activity, _object} = CommonAPI.repeat(activity.id, other_user)

    result = StatusView.render("show.json", %{activity: activity, for: user})

    assert result[:account][:pleroma][:relationship] ==
             AccountView.render("relationship.json", %{user: user, target: other_user})

    assert result[:reblog][:account][:pleroma][:relationship] ==
             AccountView.render("relationship.json", %{user: user, target: user})
  end

  test "visibility/list" do
    user = insert(:user)

    {:ok, list} = Pleroma.List.create("foo", user)

    {:ok, activity} =
      CommonAPI.post(user, %{"status" => "foobar", "visibility" => "list:#{list.id}"})

    status = StatusView.render("show.json", activity: activity)

    assert status.visibility == "list"
  end

  test "successfully renders a Listen activity (pleroma extension)" do
    listen_activity = insert(:listen)

    status = StatusView.render("listen.json", activity: listen_activity)

    assert status.length == listen_activity.data["object"]["length"]
    assert status.title == listen_activity.data["object"]["title"]
  end
end