# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
  use Pleroma.Web.ConnCase

  alias Pleroma.Config
  alias Pleroma.Repo
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.InternalFetchActor
  alias Pleroma.Web.ApiSpec
  alias Pleroma.Web.CommonAPI
  alias Pleroma.Web.OAuth.Token

  import OpenApiSpex.TestAssertions
  import Pleroma.Factory

  describe "account fetching" do
    setup do: clear_config([:instance, :limit_to_local_content])

    test "works by id" do
      user = insert(:user)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.id}")

      assert %{"id" => id} = json_response(conn, 200)
      assert id == to_string(user.id)

      conn =
        build_conn()
        |> get("/api/v1/accounts/-1")

      assert %{"error" => "Can't find user"} = json_response(conn, 404)
    end

    test "works by nickname" do
      user = insert(:user)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.nickname}")

      assert %{"id" => id} = json_response(conn, 200)
      assert id == user.id
    end

    test "works by nickname for remote users" do
      Config.put([:instance, :limit_to_local_content], false)
      user = insert(:user, nickname: "user@example.com", local: false)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.nickname}")

      assert %{"id" => id} = json_response(conn, 200)
      assert id == user.id
    end

    test "respects limit_to_local_content == :all for remote user nicknames" do
      Config.put([:instance, :limit_to_local_content], :all)

      user = insert(:user, nickname: "user@example.com", local: false)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.nickname}")

      assert json_response(conn, 404)
    end

    test "respects limit_to_local_content == :unauthenticated for remote user nicknames" do
      Config.put([:instance, :limit_to_local_content], :unauthenticated)

      user = insert(:user, nickname: "user@example.com", local: false)
      reading_user = insert(:user)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.nickname}")

      assert json_response(conn, 404)

      conn =
        build_conn()
        |> assign(:user, reading_user)
        |> assign(:token, insert(:oauth_token, user: reading_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.nickname}")

      assert %{"id" => id} = json_response(conn, 200)
      assert id == user.id
    end

    test "accounts fetches correct account for nicknames beginning with numbers", %{conn: conn} do
      # Need to set an old-style integer ID to reproduce the problem
      # (these are no longer assigned to new accounts but were preserved
      # for existing accounts during the migration to flakeIDs)
      user_one = insert(:user, %{id: 1212})
      user_two = insert(:user, %{nickname: "#{user_one.id}garbage"})

      resp_one =
        conn
        |> get("/api/v1/accounts/#{user_one.id}")

      resp_two =
        conn
        |> get("/api/v1/accounts/#{user_two.nickname}")

      resp_three =
        conn
        |> get("/api/v1/accounts/#{user_two.id}")

      acc_one = json_response(resp_one, 200)
      acc_two = json_response(resp_two, 200)
      acc_three = json_response(resp_three, 200)
      refute acc_one == acc_two
      assert acc_two == acc_three
    end

    test "returns 404 when user is invisible", %{conn: conn} do
      user = insert(:user, %{invisible: true})

      resp =
        conn
        |> get("/api/v1/accounts/#{user.nickname}")
        |> json_response(404)

      assert %{"error" => "Can't find user"} = resp
    end

    test "returns 404 for internal.fetch actor", %{conn: conn} do
      %User{nickname: "internal.fetch"} = InternalFetchActor.get_actor()

      resp =
        conn
        |> get("/api/v1/accounts/internal.fetch")
        |> json_response(404)

      assert %{"error" => "Can't find user"} = resp
    end
  end

  defp local_and_remote_users do
    local = insert(:user)
    remote = insert(:user, local: false)
    {:ok, local: local, remote: remote}
  end

  describe "user fetching with restrict unauthenticated profiles for local and remote" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response(res_conn, 200)
    end
  end

  describe "user fetching with restrict unauthenticated profiles for local" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response(res_conn, 200)
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response(res_conn, 200)
    end
  end

  describe "user fetching with restrict unauthenticated profiles for remote" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response(res_conn, 200)
    end
  end

  describe "user timelines" do
    setup do: oauth_access(["read:statuses"])

    test "respects blocks", %{user: user_one, conn: conn} do
      user_two = insert(:user)
      user_three = insert(:user)

      User.block(user_one, user_two)

      {:ok, activity} = CommonAPI.post(user_two, %{"status" => "User one sux0rz"})
      {:ok, repeat, _} = CommonAPI.repeat(activity.id, user_three)

      assert resp = get(conn, "/api/v1/accounts/#{user_two.id}/statuses") |> json_response(200)
      assert [%{"id" => id}] = resp
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
      assert id == activity.id

      # Even a blocked user will deliver the full user timeline, there would be
      #   no point in looking at a blocked users timeline otherwise
      assert resp = get(conn, "/api/v1/accounts/#{user_two.id}/statuses") |> json_response(200)
      assert [%{"id" => id}] = resp
      assert id == activity.id
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())

      # Third user's timeline includes the repeat when viewed by unauthenticated user
      resp = get(build_conn(), "/api/v1/accounts/#{user_three.id}/statuses") |> json_response(200)
      assert [%{"id" => id}] = resp
      assert id == repeat.id
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())

      # When viewing a third user's timeline, the blocked users' statuses will NOT be shown
      resp = get(conn, "/api/v1/accounts/#{user_three.id}/statuses")

      assert [] = json_response(resp, 200)
    end

    test "gets users statuses", %{conn: conn} do
      user_one = insert(:user)
      user_two = insert(:user)
      user_three = insert(:user)

      {:ok, _user_three} = User.follow(user_three, user_one)

      {:ok, activity} = CommonAPI.post(user_one, %{"status" => "HI!!!"})

      {:ok, direct_activity} =
        CommonAPI.post(user_one, %{
          "status" => "Hi, @#{user_two.nickname}.",
          "visibility" => "direct"
        })

      {:ok, private_activity} =
        CommonAPI.post(user_one, %{"status" => "private", "visibility" => "private"})

      resp = get(conn, "/api/v1/accounts/#{user_one.id}/statuses") |> json_response(200)
      assert [%{"id" => id}] = resp
      assert id == to_string(activity.id)
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())

      resp =
        conn
        |> assign(:user, user_two)
        |> assign(:token, insert(:oauth_token, user: user_two, scopes: ["read:statuses"]))
        |> get("/api/v1/accounts/#{user_one.id}/statuses")
        |> json_response(200)

      assert [%{"id" => id_one}, %{"id" => id_two}] = resp
      assert id_one == to_string(direct_activity.id)
      assert id_two == to_string(activity.id)
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())

      resp =
        conn
        |> assign(:user, user_three)
        |> assign(:token, insert(:oauth_token, user: user_three, scopes: ["read:statuses"]))
        |> get("/api/v1/accounts/#{user_one.id}/statuses")
        |> json_response(200)

      assert [%{"id" => id_one}, %{"id" => id_two}] = resp
      assert id_one == to_string(private_activity.id)
      assert id_two == to_string(activity.id)
      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
    end

    test "unimplemented pinned statuses feature", %{conn: conn} do
      note = insert(:note_activity)
      user = User.get_cached_by_ap_id(note.data["actor"])

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?pinned=true")

      assert json_response(conn, 200) == []
    end

    test "gets an users media", %{conn: conn} do
      note = insert(:note_activity)
      user = User.get_cached_by_ap_id(note.data["actor"])

      file = %Plug.Upload{
        content_type: "image/jpg",
        path: Path.absname("test/fixtures/image.jpg"),
        filename: "an_image.jpg"
      }

      {:ok, %{id: media_id}} = ActivityPub.upload(file, actor: user.ap_id)

      {:ok, image_post} = CommonAPI.post(user, %{"status" => "cofe", "media_ids" => [media_id]})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?only_media=true")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(image_post.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())

      conn = get(build_conn(), "/api/v1/accounts/#{user.id}/statuses?only_media=1")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(image_post.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
    end

    test "gets a user's statuses without reblogs", %{user: user, conn: conn} do
      {:ok, post} = CommonAPI.post(user, %{"status" => "HI!!!"})
      {:ok, _, _} = CommonAPI.repeat(post.id, user)

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=true")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(post.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=1")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(post.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
    end

    test "filters user's statuses by a hashtag", %{user: user, conn: conn} do
      {:ok, post} = CommonAPI.post(user, %{"status" => "#hashtag"})
      {:ok, _post} = CommonAPI.post(user, %{"status" => "hashtag"})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?tagged=hashtag")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(post.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
    end

    test "the user views their own timelines and excludes direct messages", %{
      user: user,
      conn: conn
    } do
      {:ok, public_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "public"})
      {:ok, _direct_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "direct"})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_visibilities[]=direct")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(public_activity.id)
      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
    end
  end

  defp local_and_remote_activities(%{local: local, remote: remote}) do
    insert(:note_activity, user: local)
    insert(:note_activity, user: remote, local: false)

    :ok
  end

  describe "statuses with restrict unauthenticated profiles for local and remote" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
    end
  end

  describe "statuses with restrict unauthenticated profiles for local" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
    end
  end

  describe "statuses with restrict unauthenticated profiles for remote" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")

      assert json_response(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response(res_conn, 200)) == 1
      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
    end
  end

  describe "followers" do
    setup do: oauth_access(["read:accounts"])

    test "getting followers", %{user: user, conn: conn} do
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(user.id)
      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
    end

    test "getting followers, hide_followers", %{user: user, conn: conn} do
      other_user = insert(:user, hide_followers: true)
      {:ok, _user} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")

      assert [] == json_response(conn, 200)
    end

    test "getting followers, hide_followers, same user requesting" do
      user = insert(:user)
      other_user = insert(:user, hide_followers: true)
      {:ok, _user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, other_user)
        |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{other_user.id}/followers")

      refute [] == json_response(conn, 200)
      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
    end

    test "getting followers, pagination", %{user: user, conn: conn} do
      follower1 = insert(:user)
      follower2 = insert(:user)
      follower3 = insert(:user)
      {:ok, _} = User.follow(follower1, user)
      {:ok, _} = User.follow(follower2, user)
      {:ok, _} = User.follow(follower3, user)

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?since_id=#{follower1.id}")

      assert [%{"id" => id3}, %{"id" => id2}] = json_response(res_conn, 200)
      assert id3 == follower3.id
      assert id2 == follower2.id
      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?max_id=#{follower3.id}")

      assert [%{"id" => id2}, %{"id" => id1}] = json_response(res_conn, 200)
      assert id2 == follower2.id
      assert id1 == follower1.id

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?limit=1&max_id=#{follower3.id}")

      assert [%{"id" => id2}] = json_response(res_conn, 200)
      assert id2 == follower2.id

      assert [link_header] = get_resp_header(res_conn, "link")
      assert link_header =~ ~r/min_id=#{follower2.id}/
      assert link_header =~ ~r/max_id=#{follower2.id}/
      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
    end
  end

  describe "following" do
    setup do: oauth_access(["read:accounts"])

    test "getting following", %{user: user, conn: conn} do
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{user.id}/following")

      assert [%{"id" => id}] = json_response(conn, 200)
      assert id == to_string(other_user.id)
      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
    end

    test "getting following, hide_follows, other user requesting" do
      user = insert(:user, hide_follows: true)
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, other_user)
        |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.id}/following")

      assert [] == json_response(conn, 200)
      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
    end

    test "getting following, hide_follows, same user requesting" do
      user = insert(:user, hide_follows: true)
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, user)
        |> assign(:token, insert(:oauth_token, user: user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.id}/following")

      refute [] == json_response(conn, 200)
    end

    test "getting following, pagination", %{user: user, conn: conn} do
      following1 = insert(:user)
      following2 = insert(:user)
      following3 = insert(:user)
      {:ok, _} = User.follow(user, following1)
      {:ok, _} = User.follow(user, following2)
      {:ok, _} = User.follow(user, following3)

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?since_id=#{following1.id}")

      assert [%{"id" => id3}, %{"id" => id2}] = json_response(res_conn, 200)
      assert id3 == following3.id
      assert id2 == following2.id
      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?max_id=#{following3.id}")

      assert [%{"id" => id2}, %{"id" => id1}] = json_response(res_conn, 200)
      assert id2 == following2.id
      assert id1 == following1.id
      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())

      res_conn =
        get(conn, "/api/v1/accounts/#{user.id}/following?limit=1&max_id=#{following3.id}")

      assert [%{"id" => id2}] = json_response(res_conn, 200)
      assert id2 == following2.id

      assert [link_header] = get_resp_header(res_conn, "link")
      assert link_header =~ ~r/min_id=#{following2.id}/
      assert link_header =~ ~r/max_id=#{following2.id}/
      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
    end
  end

  describe "follow/unfollow" do
    setup do: oauth_access(["follow"])

    test "following / unfollowing a user", %{conn: conn} do
      other_user = insert(:user)

      ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/follow")

      assert %{"id" => _id, "following" => true} = json_response(ret_conn, 200)
      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())

      ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/unfollow")

      assert %{"id" => _id, "following" => false} = json_response(ret_conn, 200)
      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())

      conn =
        conn
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/follows", %{"uri" => other_user.nickname})

      assert %{"id" => id} = json_response(conn, 200)
      assert id == to_string(other_user.id)
      assert_schema(json_response(conn, 200), "Account", ApiSpec.spec())
    end

    test "cancelling follow request", %{conn: conn} do
      %{id: other_user_id} = insert(:user, %{locked: true})

      resp = conn |> post("/api/v1/accounts/#{other_user_id}/follow") |> json_response(:ok)

      assert %{"id" => ^other_user_id, "following" => false, "requested" => true} = resp
      assert_schema(resp, "AccountRelationship", ApiSpec.spec())

      resp = conn |> post("/api/v1/accounts/#{other_user_id}/unfollow") |> json_response(:ok)

      assert %{"id" => ^other_user_id, "following" => false, "requested" => false} = resp
      assert_schema(resp, "AccountRelationship", ApiSpec.spec())
    end

    test "following without reblogs" do
      %{conn: conn} = oauth_access(["follow", "read:statuses"])
      followed = insert(:user)
      other_user = insert(:user)

      ret_conn = post(conn, "/api/v1/accounts/#{followed.id}/follow?reblogs=false")

      assert %{"showing_reblogs" => false} = json_response(ret_conn, 200)
      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())

      {:ok, activity} = CommonAPI.post(other_user, %{"status" => "hey"})
      {:ok, reblog, _} = CommonAPI.repeat(activity.id, followed)

      ret_conn = get(conn, "/api/v1/timelines/home")

      assert [] == json_response(ret_conn, 200)

      ret_conn = post(conn, "/api/v1/accounts/#{followed.id}/follow?reblogs=true")

      assert %{"showing_reblogs" => true} = json_response(ret_conn, 200)
      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())

      conn = get(conn, "/api/v1/timelines/home")

      expected_activity_id = reblog.id
      assert [%{"id" => ^expected_activity_id}] = json_response(conn, 200)
    end

    test "following / unfollowing errors", %{user: user, conn: conn} do
      # self follow
      conn_res = post(conn, "/api/v1/accounts/#{user.id}/follow")
      assert %{"error" => "Record not found"} = json_response(conn_res, 404)

      # self unfollow
      user = User.get_cached_by_id(user.id)
      conn_res = post(conn, "/api/v1/accounts/#{user.id}/unfollow")
      assert %{"error" => "Record not found"} = json_response(conn_res, 404)

      # self follow via uri
      user = User.get_cached_by_id(user.id)

      conn_res =
        conn
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/follows", %{"uri" => user.nickname})

      assert %{"error" => "Record not found"} = json_response(conn_res, 404)

      # follow non existing user
      conn_res = post(conn, "/api/v1/accounts/doesntexist/follow")
      assert %{"error" => "Record not found"} = json_response(conn_res, 404)

      # follow non existing user via uri
      conn_res =
        conn
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/follows", %{"uri" => "doesntexist"})

      assert %{"error" => "Record not found"} = json_response(conn_res, 404)

      # unfollow non existing user
      conn_res = post(conn, "/api/v1/accounts/doesntexist/unfollow")
      assert %{"error" => "Record not found"} = json_response(conn_res, 404)
    end
  end

  describe "mute/unmute" do
    setup do: oauth_access(["write:mutes"])

    test "with notifications", %{conn: conn} do
      other_user = insert(:user)

      ret_conn =
        conn
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/accounts/#{other_user.id}/mute")

      response = json_response(ret_conn, 200)

      assert %{"id" => _id, "muting" => true, "muting_notifications" => true} = response
      assert_schema(response, "AccountRelationship", ApiSpec.spec())

      conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")

      response = json_response(conn, 200)
      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} = response
      assert_schema(response, "AccountRelationship", ApiSpec.spec())
    end

    test "without notifications", %{conn: conn} do
      other_user = insert(:user)

      ret_conn =
        conn
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/accounts/#{other_user.id}/mute", %{"notifications" => "false"})

      response = json_response(ret_conn, 200)

      assert %{"id" => _id, "muting" => true, "muting_notifications" => false} = response
      assert_schema(response, "AccountRelationship", ApiSpec.spec())

      conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")

      response = json_response(conn, 200)
      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} = response
      assert_schema(response, "AccountRelationship", ApiSpec.spec())
    end
  end

  describe "pinned statuses" do
    setup do
      user = insert(:user)
      {:ok, activity} = CommonAPI.post(user, %{"status" => "HI!!!"})
      %{conn: conn} = oauth_access(["read:statuses"], user: user)

      [conn: conn, user: user, activity: activity]
    end

    test "returns pinned statuses", %{conn: conn, user: user, activity: activity} do
      {:ok, _} = CommonAPI.pin(activity.id, user)

      result =
        conn
        |> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
        |> json_response(200)

      id_str = to_string(activity.id)

      assert [%{"id" => ^id_str, "pinned" => true}] = result
    end
  end

  test "blocking / unblocking a user" do
    %{conn: conn} = oauth_access(["follow"])
    other_user = insert(:user)

    ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/block")

    assert %{"id" => _id, "blocking" => true} = json_response(ret_conn, 200)
    assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())

    conn = post(conn, "/api/v1/accounts/#{other_user.id}/unblock")

    assert %{"id" => _id, "blocking" => false} = json_response(conn, 200)
    assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
  end

  describe "create account by app" do
    setup do
      valid_params = %{
        username: "lain",
        email: "lain@example.org",
        password: "PlzDontHackLain",
        agreement: true
      }

      [valid_params: valid_params]
    end

    setup do: clear_config([:instance, :account_activation_required])

    test "Account registration via Application", %{conn: conn} do
      conn =
        conn
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/apps", %{
          client_name: "client_name",
          redirect_uris: "urn:ietf:wg:oauth:2.0:oob",
          scopes: "read, write, follow"
        })

      %{
        "client_id" => client_id,
        "client_secret" => client_secret,
        "id" => _,
        "name" => "client_name",
        "redirect_uri" => "urn:ietf:wg:oauth:2.0:oob",
        "vapid_key" => _,
        "website" => nil
      } = json_response(conn, 200)

      conn =
        post(conn, "/oauth/token", %{
          grant_type: "client_credentials",
          client_id: client_id,
          client_secret: client_secret
        })

      assert %{"access_token" => token, "refresh_token" => refresh, "scope" => scope} =
               json_response(conn, 200)

      assert token
      token_from_db = Repo.get_by(Token, token: token)
      assert token_from_db
      assert refresh
      assert scope == "read write follow"

      conn =
        build_conn()
        |> put_req_header("content-type", "multipart/form-data")
        |> put_req_header("authorization", "Bearer " <> token)
        |> post("/api/v1/accounts", %{
          username: "lain",
          email: "lain@example.org",
          password: "PlzDontHackLain",
          bio: "Test Bio",
          agreement: true
        })

      %{
        "access_token" => token,
        "created_at" => _created_at,
        "scope" => _scope,
        "token_type" => "Bearer"
      } = json_response(conn, 200)

      token_from_db = Repo.get_by(Token, token: token)
      assert token_from_db
      token_from_db = Repo.preload(token_from_db, :user)
      assert token_from_db.user

      assert token_from_db.user.confirmation_pending
    end

    test "returns error when user already registred", %{conn: conn, valid_params: valid_params} do
      _user = insert(:user, email: "lain@example.org")
      app_token = insert(:oauth_token, user: nil)

      res =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/accounts", valid_params)

      assert json_response(res, 400) == %{"error" => "{\"email\":[\"has already been taken\"]}"}
    end

    test "returns bad_request if missing required params", %{
      conn: conn,
      valid_params: valid_params
    } do
      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")

      res = post(conn, "/api/v1/accounts", valid_params)
      assert json_response(res, 200)

      [{127, 0, 0, 1}, {127, 0, 0, 2}, {127, 0, 0, 3}, {127, 0, 0, 4}]
      |> Stream.zip(Map.delete(valid_params, :email))
      |> Enum.each(fn {ip, {attr, _}} ->
        res =
          conn
          |> Map.put(:remote_ip, ip)
          |> post("/api/v1/accounts", Map.delete(valid_params, attr))
          |> json_response(400)

        assert res == %{"error" => "Missing parameters"}
      end)
    end

    setup do: clear_config([:instance, :account_activation_required])

    test "returns bad_request if missing email params when :account_activation_required is enabled",
         %{conn: conn, valid_params: valid_params} do
      Pleroma.Config.put([:instance, :account_activation_required], true)

      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")

      res =
        conn
        |> Map.put(:remote_ip, {127, 0, 0, 5})
        |> post("/api/v1/accounts", Map.delete(valid_params, :email))

      assert json_response(res, 400) == %{"error" => "Missing parameters"}

      res =
        conn
        |> Map.put(:remote_ip, {127, 0, 0, 6})
        |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))

      assert json_response(res, 400) == %{"error" => "{\"email\":[\"can't be blank\"]}"}
    end

    test "allow registration without an email", %{conn: conn, valid_params: valid_params} do
      app_token = insert(:oauth_token, user: nil)
      conn = put_req_header(conn, "authorization", "Bearer " <> app_token.token)

      res =
        conn
        |> put_req_header("content-type", "application/json")
        |> Map.put(:remote_ip, {127, 0, 0, 7})
        |> post("/api/v1/accounts", Map.delete(valid_params, :email))

      assert json_response(res, 200)
    end

    test "allow registration with an empty email", %{conn: conn, valid_params: valid_params} do
      app_token = insert(:oauth_token, user: nil)
      conn = put_req_header(conn, "authorization", "Bearer " <> app_token.token)

      res =
        conn
        |> put_req_header("content-type", "application/json")
        |> Map.put(:remote_ip, {127, 0, 0, 8})
        |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))

      assert json_response(res, 200)
    end

    test "returns forbidden if token is invalid", %{conn: conn, valid_params: valid_params} do
      res =
        conn
        |> put_req_header("authorization", "Bearer " <> "invalid-token")
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/accounts", valid_params)

      assert json_response(res, 403) == %{"error" => "Invalid credentials"}
    end
  end

  describe "create account by app / rate limit" do
    setup do: clear_config([:rate_limit, :app_account_creation], {10_000, 2})

    test "respects rate limit setting", %{conn: conn} do
      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> Map.put(:remote_ip, {15, 15, 15, 15})
        |> put_req_header("content-type", "multipart/form-data")

      for i <- 1..2 do
        conn =
          conn
          |> post("/api/v1/accounts", %{
            username: "#{i}lain",
            email: "#{i}lain@example.org",
            password: "PlzDontHackLain",
            agreement: true
          })

        %{
          "access_token" => token,
          "created_at" => _created_at,
          "scope" => _scope,
          "token_type" => "Bearer"
        } = json_response(conn, 200)

        token_from_db = Repo.get_by(Token, token: token)
        assert token_from_db
        token_from_db = Repo.preload(token_from_db, :user)
        assert token_from_db.user

        assert token_from_db.user.confirmation_pending
      end

      conn =
        post(conn, "/api/v1/accounts", %{
          username: "6lain",
          email: "6lain@example.org",
          password: "PlzDontHackLain",
          agreement: true
        })

      assert json_response(conn, :too_many_requests) == %{"error" => "Throttled"}
    end
  end

  describe "GET /api/v1/accounts/:id/lists - account_lists" do
    test "returns lists to which the account belongs" do
      %{user: user, conn: conn} = oauth_access(["read:lists"])
      other_user = insert(:user)
      assert {:ok, %Pleroma.List{} = list} = Pleroma.List.create("Test List", user)
      {:ok, %{following: _following}} = Pleroma.List.follow(list, other_user)

      res =
        conn
        |> get("/api/v1/accounts/#{other_user.id}/lists")
        |> json_response(200)

      assert res == [%{"id" => to_string(list.id), "title" => "Test List"}]
      assert_schema(res, "ListsResponse", ApiSpec.spec())
    end
  end

  describe "verify_credentials" do
    test "verify_credentials" do
      %{user: user, conn: conn} = oauth_access(["read:accounts"])
      conn = get(conn, "/api/v1/accounts/verify_credentials")

      response = json_response(conn, 200)

      assert %{"id" => id, "source" => %{"privacy" => "public"}} = response
      assert response["pleroma"]["chat_token"]
      assert id == to_string(user.id)
    end

    test "verify_credentials default scope unlisted" do
      user = insert(:user, default_scope: "unlisted")
      %{conn: conn} = oauth_access(["read:accounts"], user: user)

      conn = get(conn, "/api/v1/accounts/verify_credentials")

      assert %{"id" => id, "source" => %{"privacy" => "unlisted"}} = json_response(conn, 200)
      assert id == to_string(user.id)
    end

    test "locked accounts" do
      user = insert(:user, default_scope: "private")
      %{conn: conn} = oauth_access(["read:accounts"], user: user)

      conn = get(conn, "/api/v1/accounts/verify_credentials")

      assert %{"id" => id, "source" => %{"privacy" => "private"}} = json_response(conn, 200)
      assert id == to_string(user.id)
    end
  end

  describe "user relationships" do
    setup do: oauth_access(["read:follows"])

    test "returns the relationships for the current user", %{user: user, conn: conn} do
      %{id: other_user_id} = other_user = insert(:user)
      {:ok, _user} = User.follow(user, other_user)

      assert [%{"id" => ^other_user_id}] =
               conn
               |> get("/api/v1/accounts/relationships?id=#{other_user.id}")
               |> json_response(200)

      assert [%{"id" => ^other_user_id}] =
               conn
               |> get("/api/v1/accounts/relationships?id[]=#{other_user.id}")
               |> json_response(200)
    end

    test "returns an empty list on a bad request", %{conn: conn} do
      conn = get(conn, "/api/v1/accounts/relationships", %{})

      assert [] = json_response(conn, 200)
    end
  end

  test "getting a list of mutes" do
    %{user: user, conn: conn} = oauth_access(["read:mutes"])
    other_user = insert(:user)

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

    conn = get(conn, "/api/v1/mutes")

    other_user_id = to_string(other_user.id)
    assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
    assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
  end

  test "getting a list of blocks" do
    %{user: user, conn: conn} = oauth_access(["read:blocks"])
    other_user = insert(:user)

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

    conn =
      conn
      |> assign(:user, user)
      |> get("/api/v1/blocks")

    other_user_id = to_string(other_user.id)
    assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
    assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
  end
end