# Pleroma: A lightweight social networking server
# Copyright © 2017-2018 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.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
  alias Pleroma.Web.OStatus
  import Pleroma.Factory
  import Tesla.Mock

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

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

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

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

    assert status[:pleroma][:direct_conversation_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("status.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("status.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("status.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("status.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("account.json", %{user: user}),
      in_reply_to_id: nil,
      in_reply_to_account_id: nil,
      card: nil,
      reblog: nil,
      content: HtmlSanitizeEx.basic_html(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: HtmlSanitizeEx.basic_html(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" => HtmlSanitizeEx.strip_tags(object_data["content"])},
        spoiler_text: %{"text/plain" => HtmlSanitizeEx.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} = User.mute(user, other_user)

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

    assert status.muted == false

    status = StatusView.render("status.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} = User.mute(user, other_user)

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

    assert status.pleroma.thread_muted == false

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

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

    assert status.bookmarked == false

    status = StatusView.render("status.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("status.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("status.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
    incoming = File.read!("test/fixtures/incoming_reply_mastodon.xml")
    # a user with this ap id might be in the cache.
    recipient = "https://pleroma.soykaf.com/users/lain"
    user = insert(:user, %{ap_id: recipient})

    {:ok, [activity]} = OStatus.handle_incoming(incoming)

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

    assert status.mentions ==
             Enum.map([user], 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("status.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("status.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("status.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("status.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("status.json", %{for: user, activity: activity})

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

  describe "poll view" do
    test "renders a poll" do
      user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{
          "status" => "Is Tenshi eating a corndog cute?",
          "poll" => %{
            "options" => ["absolutely!", "sure", "yes", "why are you even asking?"],
            "expires_in" => 20
          }
        })

      object = Object.normalize(activity)

      expected = %{
        emojis: [],
        expired: false,
        id: to_string(object.id),
        multiple: false,
        options: [
          %{title: "absolutely!", votes_count: 0},
          %{title: "sure", votes_count: 0},
          %{title: "yes", votes_count: 0},
          %{title: "why are you even asking?", votes_count: 0}
        ],
        voted: false,
        votes_count: 0
      }

      result = StatusView.render("poll.json", %{object: object})
      expires_at = result.expires_at
      result = Map.delete(result, :expires_at)

      assert result == expected

      expires_at = NaiveDateTime.from_iso8601!(expires_at)
      assert NaiveDateTime.diff(expires_at, NaiveDateTime.utc_now()) in 15..20
    end

    test "detects if it is multiple choice" do
      user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{
          "status" => "Which Mastodon developer is your favourite?",
          "poll" => %{
            "options" => ["Gargron", "Eugen"],
            "expires_in" => 20,
            "multiple" => true
          }
        })

      object = Object.normalize(activity)

      assert %{multiple: true} = StatusView.render("poll.json", %{object: object})
    end

    test "detects emoji" do
      user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{
          "status" => "What's with the smug face?",
          "poll" => %{
            "options" => [":blank: sip", ":blank::blank: sip", ":blank::blank::blank: sip"],
            "expires_in" => 20
          }
        })

      object = Object.normalize(activity)

      assert %{emojis: [%{shortcode: "blank"}]} =
               StatusView.render("poll.json", %{object: object})
    end

    test "detects vote status" do
      user = insert(:user)
      other_user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{
          "status" => "Which input devices do you use?",
          "poll" => %{
            "options" => ["mouse", "trackball", "trackpoint"],
            "multiple" => true,
            "expires_in" => 20
          }
        })

      object = Object.normalize(activity)

      {:ok, _, object} = CommonAPI.vote(other_user, object, [1, 2])

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

      assert result[:voted] == true
      assert Enum.at(result[:options], 1)[:votes_count] == 1
      assert Enum.at(result[:options], 2)[:votes_count] == 1
    end

    test "does not crash on polls with no end date" do
      object = Object.normalize("https://skippers-bin.com/notes/7x9tmrp97i")
      result = StatusView.render("poll.json", %{object: object})

      assert result[:expires_at] == nil
      assert result[:expired] == false
    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("status.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("status.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("status.json", activity: activity)

    assert status.visibility == "list"
  end
end