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

defmodule Pleroma.Web.Feed.UserControllerTest do
  use Pleroma.Web.ConnCase

  import Pleroma.Factory
  import SweetXml

  alias Pleroma.Config
  alias Pleroma.Object
  alias Pleroma.User

  clear_config_all([:instance, :federating]) do
    Config.put([:instance, :federating], true)
  end

  describe "feed" do
    clear_config([:feed])

    test "gets a feed", %{conn: conn} do
      Config.put(
        [:feed, :post_title],
        %{max_length: 10, omission: "..."}
      )

      activity = insert(:note_activity)

      note =
        insert(:note,
          data: %{
            "content" => "This is :moominmamma: note ",
            "attachment" => [
              %{
                "url" => [
                  %{"mediaType" => "image/png", "href" => "https://pleroma.gov/image.png"}
                ]
              }
            ],
            "inReplyTo" => activity.data["id"]
          }
        )

      note_activity = insert(:note_activity, note: note)
      user = User.get_cached_by_ap_id(note_activity.data["actor"])

      note2 =
        insert(:note,
          user: user,
          data: %{
            "content" => "42 This is :moominmamma: note ",
            "inReplyTo" => activity.data["id"]
          }
        )

      _note_activity2 = insert(:note_activity, note: note2)
      object = Object.normalize(note_activity)

      resp =
        conn
        |> put_req_header("content-type", "application/atom+xml")
        |> get(user_feed_path(conn, :feed, user.nickname))
        |> response(200)

      activity_titles =
        resp
        |> SweetXml.parse()
        |> SweetXml.xpath(~x"//entry/title/text()"l)

      assert activity_titles == ['42 This...', 'This is...']
      assert resp =~ object.data["content"]
    end

    test "returns 404 for a missing feed", %{conn: conn} do
      conn =
        conn
        |> put_req_header("content-type", "application/atom+xml")
        |> get(user_feed_path(conn, :feed, "nonexisting"))

      assert response(conn, 404)
    end
  end

  describe "feed_redirect" do
    test "undefined format. it redirects to feed", %{conn: conn} do
      note_activity = insert(:note_activity)
      user = User.get_cached_by_ap_id(note_activity.data["actor"])

      response =
        conn
        |> put_req_header("accept", "application/xml")
        |> get("/users/#{user.nickname}")
        |> response(302)

      assert response ==
               "<html><body>You are being <a href=\"#{Pleroma.Web.base_url()}/users/#{
                 user.nickname
               }/feed.atom\">redirected</a>.</body></html>"
    end

    test "undefined format. it returns error when user not found", %{conn: conn} do
      response =
        conn
        |> put_req_header("accept", "application/xml")
        |> get(user_feed_path(conn, :feed, "jimm"))
        |> response(404)

      assert response == ~S({"error":"Not found"})
    end

    test "activity+json format. it redirects on actual feed of user", %{conn: conn} do
      note_activity = insert(:note_activity)
      user = User.get_cached_by_ap_id(note_activity.data["actor"])

      response =
        conn
        |> put_req_header("accept", "application/activity+json")
        |> get("/users/#{user.nickname}")
        |> json_response(200)

      assert response["endpoints"] == %{
               "oauthAuthorizationEndpoint" => "#{Pleroma.Web.base_url()}/oauth/authorize",
               "oauthRegistrationEndpoint" => "#{Pleroma.Web.base_url()}/api/v1/apps",
               "oauthTokenEndpoint" => "#{Pleroma.Web.base_url()}/oauth/token",
               "sharedInbox" => "#{Pleroma.Web.base_url()}/inbox",
               "uploadMedia" => "#{Pleroma.Web.base_url()}/api/ap/upload_media"
             }

      assert response["@context"] == [
               "https://www.w3.org/ns/activitystreams",
               "http://localhost:4001/schemas/litepub-0.1.jsonld",
               %{"@language" => "und"}
             ]

      assert Map.take(response, [
               "followers",
               "following",
               "id",
               "inbox",
               "manuallyApprovesFollowers",
               "name",
               "outbox",
               "preferredUsername",
               "summary",
               "tag",
               "type",
               "url"
             ]) == %{
               "followers" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/followers",
               "following" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/following",
               "id" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}",
               "inbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/inbox",
               "manuallyApprovesFollowers" => false,
               "name" => user.name,
               "outbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/outbox",
               "preferredUsername" => user.nickname,
               "summary" => user.bio,
               "tag" => [],
               "type" => "Person",
               "url" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}"
             }
    end

    test "activity+json format. it returns error whe use not found", %{conn: conn} do
      response =
        conn
        |> put_req_header("accept", "application/activity+json")
        |> get("/users/jimm")
        |> json_response(404)

      assert response == "Not found"
    end

    test "json format. it redirects on actual feed of user", %{conn: conn} do
      note_activity = insert(:note_activity)
      user = User.get_cached_by_ap_id(note_activity.data["actor"])

      response =
        conn
        |> put_req_header("accept", "application/json")
        |> get("/users/#{user.nickname}")
        |> json_response(200)

      assert response["endpoints"] == %{
               "oauthAuthorizationEndpoint" => "#{Pleroma.Web.base_url()}/oauth/authorize",
               "oauthRegistrationEndpoint" => "#{Pleroma.Web.base_url()}/api/v1/apps",
               "oauthTokenEndpoint" => "#{Pleroma.Web.base_url()}/oauth/token",
               "sharedInbox" => "#{Pleroma.Web.base_url()}/inbox",
               "uploadMedia" => "#{Pleroma.Web.base_url()}/api/ap/upload_media"
             }

      assert response["@context"] == [
               "https://www.w3.org/ns/activitystreams",
               "http://localhost:4001/schemas/litepub-0.1.jsonld",
               %{"@language" => "und"}
             ]

      assert Map.take(response, [
               "followers",
               "following",
               "id",
               "inbox",
               "manuallyApprovesFollowers",
               "name",
               "outbox",
               "preferredUsername",
               "summary",
               "tag",
               "type",
               "url"
             ]) == %{
               "followers" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/followers",
               "following" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/following",
               "id" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}",
               "inbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/inbox",
               "manuallyApprovesFollowers" => false,
               "name" => user.name,
               "outbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/outbox",
               "preferredUsername" => user.nickname,
               "summary" => user.bio,
               "tag" => [],
               "type" => "Person",
               "url" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}"
             }
    end

    test "json format. it returns error whe use not found", %{conn: conn} do
      response =
        conn
        |> put_req_header("accept", "application/json")
        |> get("/users/jimm")
        |> json_response(404)

      assert response == "Not found"
    end

    test "html format. it redirects on actual feed of user", %{conn: conn} do
      note_activity = insert(:note_activity)
      user = User.get_cached_by_ap_id(note_activity.data["actor"])

      response =
        conn
        |> get("/users/#{user.nickname}")
        |> response(200)

      assert response ==
               Fallback.RedirectController.redirector_with_meta(
                 conn,
                 %{user: user}
               ).resp_body
    end

    test "html format. it returns error when user not found", %{conn: conn} do
      response =
        conn
        |> get("/users/jimm")
        |> json_response(404)

      assert response == %{"error" => "Not found"}
    end
  end

  describe "feed_redirect (depending on federation enabled state)" do
    setup %{conn: conn} do
      user = insert(:user)
      conn = put_req_header(conn, "accept", "application/json")

      %{conn: conn, user: user}
    end

    clear_config([:instance, :federating])

    test "renders if instance is federating", %{conn: conn, user: user} do
      Config.put([:instance, :federating], true)

      conn = get(conn, "/users/#{user.nickname}")
      assert json_response(conn, 200)
    end

    test "renders 404 if instance is NOT federating", %{conn: conn, user: user} do
      Config.put([:instance, :federating], false)

      conn = get(conn, "/users/#{user.nickname}")
      assert json_response(conn, 404)
    end
  end
end