require "rails_helper"

RSpec.describe User, type: :model do
  def user_from_authorization_service(service_name, signed_in_resource = nil, cta_variant = "navbar_basic")
    auth = OmniAuth.config.mock_auth[service_name]
    Authentication::Authenticator.call(
      auth,
      current_user: signed_in_resource,
      cta_variant: cta_variant,
    )
  end

  def mock_username(provider_name, username)
    case provider_name
    when :apple
      OmniAuth.config.mock_auth[provider_name].info.first_name = username
    when :forem
      OmniAuth.config.mock_auth[provider_name].info.user_nickname = username
    else
      OmniAuth.config.mock_auth[provider_name].info.nickname = username
    end
  end

  def provider_username(service_name)
    auth_payload = OmniAuth.config.mock_auth[service_name]
    provider_class = Authentication::Providers.get!(auth_payload.provider)
    provider_class.new(auth_payload).user_nickname
  end

  let(:user) { create(:user) }
  let(:other_user) { create(:user) }
  let(:org) { create(:organization) }

  before do
    omniauth_mock_providers_payload
    allow(Settings::Authentication).to receive(:providers).and_return(Authentication::Providers.available)
  end

  describe "validations" do
    describe "builtin validations" do
      subject { user }

      it { is_expected.to have_one(:profile).dependent(:destroy) }
      it { is_expected.to have_one(:notification_setting).dependent(:destroy) }
      it { is_expected.to have_one(:setting).dependent(:destroy) }

      it { is_expected.to have_many(:access_grants).class_name("Doorkeeper::AccessGrant").dependent(:delete_all) }
      it { is_expected.to have_many(:access_tokens).class_name("Doorkeeper::AccessToken").dependent(:delete_all) }
      it { is_expected.to have_many(:ahoy_events).class_name("Ahoy::Event").dependent(:destroy) }
      it { is_expected.to have_many(:ahoy_visits).class_name("Ahoy::Visit").dependent(:destroy) }
      it { is_expected.to have_many(:api_secrets).dependent(:destroy) }
      it { is_expected.to have_many(:articles).dependent(:destroy) }
      it { is_expected.to have_many(:audit_logs).dependent(:nullify) }
      it { is_expected.to have_many(:badge_achievements).dependent(:destroy) }
      it { is_expected.to have_many(:badges).through(:badge_achievements) }
      it { is_expected.to have_many(:chat_channel_memberships).dependent(:destroy) }
      it { is_expected.to have_many(:chat_channels).through(:chat_channel_memberships) }
      it { is_expected.to have_many(:collections).dependent(:destroy) }
      it { is_expected.to have_many(:comments).dependent(:destroy) }
      it { is_expected.to have_many(:credits).dependent(:destroy) }
      it { is_expected.to have_many(:discussion_locks).dependent(:destroy) }
      it { is_expected.to have_many(:display_ad_events).dependent(:destroy) }
      it { is_expected.to have_many(:email_authorizations).dependent(:delete_all) }
      it { is_expected.to have_many(:email_messages).class_name("Ahoy::Message").dependent(:destroy) }
      it { is_expected.to have_many(:field_test_memberships).class_name("FieldTest::Membership").dependent(:destroy) }
      it { is_expected.to have_many(:github_repos).dependent(:destroy) }
      it { is_expected.to have_many(:html_variants).dependent(:destroy) }
      it { is_expected.to have_many(:identities).dependent(:destroy) }
      it { is_expected.to have_many(:identities_enabled) }
      it { is_expected.to have_many(:listings).dependent(:destroy) }
      it { is_expected.to have_many(:mentions).dependent(:destroy) }
      it { is_expected.to have_many(:messages).dependent(:destroy) }
      it { is_expected.to have_many(:notes).dependent(:destroy) }
      it { is_expected.to have_many(:notification_subscriptions).dependent(:destroy) }
      it { is_expected.to have_many(:notifications).dependent(:destroy) }
      it { is_expected.to have_many(:organization_memberships).dependent(:destroy) }
      it { is_expected.to have_many(:organizations).through(:organization_memberships) }
      it { is_expected.to have_many(:page_views).dependent(:nullify) }
      it { is_expected.to have_many(:podcast_episode_appearances).dependent(:destroy) }
      it { is_expected.to have_many(:podcast_episodes).through(:podcast_episode_appearances).source(:podcast_episode) }
      it { is_expected.to have_many(:podcast_ownerships).dependent(:destroy) }
      it { is_expected.to have_many(:podcasts_owned).through(:podcast_ownerships).source(:podcast) }
      it { is_expected.to have_many(:poll_skips).dependent(:destroy) }
      it { is_expected.to have_many(:poll_votes).dependent(:destroy) }
      it { is_expected.to have_many(:profile_pins).dependent(:delete_all) }
      it { is_expected.to have_many(:rating_votes).dependent(:nullify) }
      it { is_expected.to have_many(:reactions).dependent(:destroy) }
      it { is_expected.to have_many(:response_templates).dependent(:destroy) }
      it { is_expected.to have_many(:source_authored_user_subscriptions).dependent(:destroy) }
      it { is_expected.to have_many(:subscribed_to_user_subscriptions).dependent(:destroy) }
      it { is_expected.to have_many(:subscribers).dependent(:destroy) }
      it { is_expected.to have_many(:tweets).dependent(:nullify) }
      it { is_expected.to have_many(:webhook_endpoints).class_name("Webhook::Endpoint").dependent(:delete_all) }

      # rubocop:disable RSpec/NamedSubject
      it do
        expect(subject).to have_many(:access_grants)
          .class_name("Doorkeeper::AccessGrant")
          .with_foreign_key("resource_owner_id")
          .dependent(:delete_all)
      end

      it do
        expect(subject).to have_many(:access_tokens)
          .class_name("Doorkeeper::AccessToken")
          .with_foreign_key("resource_owner_id")
          .dependent(:delete_all)
      end

      it do
        expect(subject).to have_many(:affected_feedback_messages)
          .class_name("FeedbackMessage")
          .with_foreign_key("affected_id")
          .dependent(:nullify)
      end

      it do
        expect(subject).to have_many(:authored_notes)
          .class_name("Note")
          .with_foreign_key("author_id")
          .dependent(:delete_all)
      end

      it do
        expect(subject).to have_many(:badge_achievements_rewarded)
          .class_name("BadgeAchievement")
          .with_foreign_key("rewarder_id")
          .inverse_of(:rewarder)
          .dependent(:nullify)
      end

      it do
        expect(subject).to have_many(:banished_users)
          .class_name("BanishedUser")
          .with_foreign_key("banished_by_id")
          .inverse_of(:banished_by)
          .dependent(:nullify)
      end

      it do
        expect(subject).to have_many(:blocked_blocks)
          .class_name("UserBlock")
          .with_foreign_key("blocked_id")
          .dependent(:delete_all)
      end

      it do
        expect(subject).to have_many(:blocker_blocks)
          .class_name("UserBlock")
          .with_foreign_key("blocker_id")
          .dependent(:delete_all)
      end

      it do
        expect(subject).to have_many(:created_podcasts)
          .class_name("Podcast")
          .with_foreign_key(:creator_id)
          .dependent(:nullify)
      end

      it do
        expect(subject).to have_many(:offender_feedback_messages)
          .class_name("FeedbackMessage")
          .with_foreign_key(:offender_id)
          .dependent(:nullify)
      end

      it do
        expect(subject).to have_many(:reporter_feedback_messages)
          .class_name("FeedbackMessage")
          .with_foreign_key(:reporter_id)
          .dependent(:nullify)
      end
      # rubocop:enable RSpec/NamedSubject

      it { is_expected.not_to allow_value("AcMe_1%").for(:username) }
      it { is_expected.to allow_value("AcMe_1").for(:username) }

      it { is_expected.not_to allow_value("$example.com/value\x1F").for(:payment_pointer) }
      it { is_expected.not_to allow_value("example.com/value").for(:payment_pointer) }
      it { is_expected.to allow_value(" $example.com/value ").for(:payment_pointer) }
      it { is_expected.to allow_value(nil).for(:payment_pointer) }
      it { is_expected.to allow_value("").for(:payment_pointer) }

      it { is_expected.to validate_length_of(:email).is_at_most(50).allow_nil }
      it { is_expected.to validate_length_of(:name).is_at_most(100).is_at_least(1) }
      it { is_expected.to validate_length_of(:password).is_at_most(100).is_at_least(8) }
      it { is_expected.to validate_length_of(:username).is_at_most(30).is_at_least(2) }

      it { is_expected.to validate_presence_of(:articles_count) }
      it { is_expected.to validate_presence_of(:badge_achievements_count) }
      it { is_expected.to validate_presence_of(:blocked_by_count) }
      it { is_expected.to validate_presence_of(:blocking_others_count) }
      it { is_expected.to validate_presence_of(:comments_count) }
      it { is_expected.to validate_presence_of(:credits_count) }
      it { is_expected.to validate_presence_of(:following_orgs_count) }
      it { is_expected.to validate_presence_of(:following_tags_count) }
      it { is_expected.to validate_presence_of(:following_users_count) }
      it { is_expected.to validate_presence_of(:rating_votes_count) }
      it { is_expected.to validate_presence_of(:reactions_count) }
      it { is_expected.to validate_presence_of(:sign_in_count) }
      it { is_expected.to validate_presence_of(:spent_credits_count) }
      it { is_expected.to validate_presence_of(:subscribed_to_user_subscriptions_count) }

      # rubocop:disable RSpec/NestedGroups
      context "when evaluating the custom error message for username uniqueness" do
        subject { create(:user, username: "test_user_123") }

        it { is_expected.to validate_uniqueness_of(:username).with_message("test_user_123 is taken.").case_insensitive }
      end
      # rubocop:enable RSpec/NestedGroups

      Authentication::Providers.username_fields.each do |username_field|
        it { is_expected.to validate_uniqueness_of(username_field).allow_nil }
      end
    end

    it "renders custom error message with value of taken username" do
      create(:user, username: "test_user_123")
      same_username = build(:user, username: "test_user_123")
      expect(same_username).not_to be_valid
      expect(same_username.errors[:username].to_s).to include("test_user_123 is taken.")
    end

    it "validates username against reserved words" do
      user = build(:user, username: "readinglist")
      expect(user).not_to be_valid
      expect(user.errors[:username].to_s).to include("reserved")
    end

    it "takes organization slug into account" do
      create(:organization, slug: "lightalloy")
      user = build(:user, username: "lightalloy")
      expect(user).not_to be_valid
      expect(user.errors[:username].to_s).to include("taken")
    end

    it "takes podcast slug into account" do
      create(:podcast, slug: "lightpodcast")
      user = build(:user, username: "lightpodcast")
      expect(user).not_to be_valid
      expect(user.errors[:username].to_s).to include("taken")
    end

    it "takes page slug into account" do
      create(:page, slug: "page_yo")
      user = build(:user, username: "page_yo")
      expect(user).not_to be_valid
      expect(user.errors[:username].to_s).to include("taken")
    end

    it "validates can_send_confirmation_email for existing user" do
      user = create(:user)
      limiter = RateLimitChecker.new(user)
      allow(user).to receive(:rate_limiter).and_return(limiter)
      allow(limiter).to receive(:limit_by_action).and_return(true)
      allow(limiter).to receive(:track_limit_by_action)
      user.update(email: "new_email@yo.com")

      expect(user).not_to be_valid
      expect(user.errors[:email].to_s).to include("confirmation could not be sent. Rate limit reached")
      expect(limiter).to have_received(:track_limit_by_action).with(:send_email_confirmation).twice
    end

    it "validates update_rate_limit for existing user" do
      user = create(:user)
      limiter = RateLimitChecker.new(user)
      allow(user).to receive(:rate_limiter).and_return(limiter)
      allow(limiter).to receive(:limit_by_action).and_return(true)
      allow(limiter).to receive(:track_limit_by_action)
      user.update(articles_count: 5)

      expect(user).not_to be_valid
      expect(user.errors[:base].to_s).to include("could not be saved. Rate limit reached")
      expect(limiter).to have_received(:track_limit_by_action).with(:user_update).twice
    end
  end

  context "when callbacks are triggered before validation" do
    let(:user) { build(:user) }

    Authentication::Providers.username_fields.each do |username_field|
      describe username_field do
        it "sets #{username_field} to nil if empty" do
          user.assign_attributes(username_field => "")
          user.validate!
          expect(user.attributes[username_field.to_s]).to be_nil
        end

        it "does not change a valid name" do
          user.assign_attributes(username_field => "hello")
          user.validate!
          expect(user.attributes[username_field.to_s]).to eq("hello")
        end
      end
    end

    describe "#email" do
      it "sets email to nil if empty" do
        user.email = ""
        user.validate!
        expect(user.email).to eq(nil)
      end

      it "does not change a valid name" do
        user.email = "anna@example.com"
        user.validate!
        expect(user.email).to eq("anna@example.com")
      end
    end

    describe "#username" do
      it "receives a temporary username if none is given" do
        user.username = ""
        user.validate!
        expect(user.username).not_to be_blank
      end

      it "does not allow to change to a username that is taken" do
        user.username = other_user.username
        expect(user).not_to be_valid
      end

      it "does not allow to change to a username that is taken by an organization" do
        user.username = create(:organization).slug
        expect(user).not_to be_valid
      end
    end

    context "when the past value is relevant" do
      let(:user) { create(:user) }

      it "changes old_username and old_old_username properly if username changes" do
        old_username = user.username
        random_new_username = "username_#{rand(100_000_000)}"
        user.update(username: random_new_username)
        expect(user.username).to eq(random_new_username)
        expect(user.old_username).to eq(old_username)

        new_username = user.username
        user.update(username: "username_#{rand(100_000_000)}")
        expect(user.old_username).to eq(new_username)
        expect(user.old_old_username).to eq(old_username)
      end
    end
  end

  context "when callbacks are triggered before and after create" do
    let(:user) { create(:user, email: nil) }

    describe "#send_welcome_notification" do
      let(:mascot_account) { create(:user) }
      let!(:set_up_profile_broadcast) { create(:set_up_profile_broadcast) }

      before do
        allow(described_class).to receive(:mascot_account).and_return(mascot_account)
      end

      it "sends a setup welcome notification when an active broadcast exists" do
        new_user = nil
        sidekiq_perform_enqueued_jobs do
          new_user = create(:user)
        end
        expect(new_user.reload.notifications.count).to eq(1)
        expect(new_user.reload.notifications.first.notifiable).to eq(set_up_profile_broadcast)
      end

      it "does not send a setup welcome notification without an active broadcast" do
        set_up_profile_broadcast.update!(active: false)
        new_user = nil
        sidekiq_perform_enqueued_jobs do
          new_user = create(:user)
        end
        expect(new_user.reload.notifications.count).to eq(0)
      end
    end
  end

  context "when callbacks are triggered after commit" do
    describe "subscribing to mailchimp newsletter" do
      let(:user) { build(:user) }

      it "enqueues SubscribeToMailchimpNewsletterWorker" do
        sidekiq_assert_enqueued_with(job: Users::SubscribeToMailchimpNewsletterWorker, args: user.id) do
          user.save
        end
      end

      it "does not enqueue without an email" do
        sidekiq_assert_no_enqueued_jobs(only: Users::SubscribeToMailchimpNewsletterWorker) do
          user.update(email: "")
        end
      end

      it "does not enqueue with an unconfirmed email" do
        sidekiq_assert_no_enqueued_jobs(only: Users::SubscribeToMailchimpNewsletterWorker) do
          user.update(unconfirmed_email: "bob@bob.com", confirmation_sent_at: Time.current)
        end
      end

      it "does not enqueue with a non-registered user" do
        sidekiq_assert_no_enqueued_jobs(only: Users::SubscribeToMailchimpNewsletterWorker) do
          user.update(registered: false)
        end
      end

      it "does not enqueue if Mailchimp is not enabled" do
        allow(Settings::General).to receive(:mailchimp_api_key).and_return(nil)
        sidekiq_assert_no_enqueued_jobs(only: Users::SubscribeToMailchimpNewsletterWorker) do
          user.update(email: "something@real.com")
        end
      end

      it "does not enqueue when the email address or subscription status has not changed" do
        # The trait replaces the method with a dummy, but we need the actual method for this test.
        user = described_class.find(create(:user, :ignore_mailchimp_subscribe_callback).id)

        sidekiq_assert_no_enqueued_jobs(only: Users::SubscribeToMailchimpNewsletterWorker) do
          user.update(credits_count: 100)
        end
      end
    end
  end

  describe "user registration", vcr: { cassette_name: "fastly_sloan" } do
    let(:user) { create(:user) }

    before do
      allow(FeatureFlag).to receive(:enabled?).with(:forem_passport).and_return(true)
      omniauth_mock_providers_payload
    end

    Authentication::Providers.available.each do |provider_name|
      it "finds user by email and assigns identity to that if exists for #{provider_name}" do
        OmniAuth.config.mock_auth[provider_name].info.email = user.email

        new_user = user_from_authorization_service(provider_name)
        expect(new_user.id).to eq(user.id)
      end

      it "assigns random username if username is taken on registration for #{provider_name}" do
        OmniAuth.config.mock_auth[provider_name].info.nickname = user.username
        OmniAuth.config.mock_auth[provider_name].info.first_name = user.username

        new_user = user_from_authorization_service(provider_name)

        expect(new_user.persisted?).to be(true)
        expect(new_user.username).not_to eq(user.username)
      end

      it "assigns signup_cta_variant to state param if new user for #{provider_name}" do
        new_user = user_from_authorization_service(provider_name, nil, "hey-hey-hey")
        expect(new_user.signup_cta_variant).to eq("hey-hey-hey")
      end

      it "does not assign signup_cta_variant to non-new users for #{provider_name}" do
        returning_user = create(:user, signup_cta_variant: nil)
        new_user = user_from_authorization_service(provider_name, returning_user, "hey-hey-hey")
        expect(new_user.signup_cta_variant).to be(nil)
      end

      it "assigns proper social username based on authentication for #{provider_name}" do
        mock_username(provider_name, "valid_username")
        new_user = user_from_authorization_service(provider_name)

        case provider_name
        when :apple
          expect(new_user.username).to match(/valid_username_\w+/)
        when :facebook
          expect(new_user.username).to match(/fname_lname_\S*\z/)
        else
          expect(new_user.username).to eq("valid_username")
        end
      end

      it "marks registered_at for newly registered user" do
        new_user = user_from_authorization_service(provider_name, nil, "navbar_basic")
        expect(new_user.registered_at).not_to be nil
      end

      it "assigns modified username if the username is invalid for #{provider_name}" do
        mock_username(provider_name, "invalid.username")
        new_user = user_from_authorization_service(provider_name)

        case provider_name
        when :apple
          expect(new_user.username).to match(/invalidusername_\w+/)
        when :facebook
          expect(new_user.username).to match(/fname_lname_\S*\z/)
        else
          expect(new_user.username).to eq("invalidusername")
        end
      end

      it "serializes the authentication payload for #{provider_name}" do
        new_user = user_from_authorization_service(provider_name)

        identity = new_user.identities.last
        expect(identity.auth_data_dump.provider).to eq(identity.provider)
      end

      it "does not allow previously banished users to sign up again for #{provider_name}" do
        banished_name = "SpammyMcSpamface"
        mock_username(provider_name, banished_name)

        create(:banished_user, username: provider_username(provider_name))
        expect do
          user_from_authorization_service(provider_name, nil, "navbar_basic")
        end.to raise_error(ActiveRecord::RecordInvalid, /Username has been banished./)
      end
    end

    it "assigns multiple identities to the same user", :aggregate_failures, vcr: { cassette_name: "fastly_sloan" } do
      providers = Authentication::Providers.available

      users = []
      Authentication::Providers.available.each do |provider_name|
        OmniAuth.config.mock_auth[provider_name].info.email = "person1@example.com"

        users.append(user_from_authorization_service(provider_name))
      end

      expect(users.uniq.first.identities.count).to eq(providers.length)
    end
  end

  it "does not allow an existing user to change their name to a banished one" do
    banished_name = "SpammyMcSpamface"
    create(:banished_user, username: banished_name)
    user = create(:user)

    user.update(username: banished_name)
    expect(user.errors.full_messages).to include("Username has been banished.")
  end

  describe "#follow and #all_follows" do
    it "follows users" do
      expect do
        user.follow(create(:user))
      end.to change(user.all_follows, :size).by(1)
    end
  end

  describe "spam" do
    before do
      allow(Settings::General).to receive(:mascot_user_id).and_return(user.id)
      allow(Settings::RateLimit).to receive(:spam_trigger_terms).and_return(
        ["yahoomagoo gogo", "testtestetest", "magoo.+magee"],
      )
    end

    it "creates vomit reaction if possible spam" do
      user.name = "Hi my name is Yahoomagoo gogo"
      user.save
      expect(Reaction.last.category).to eq("vomit")
      expect(Reaction.last.reactable_id).to eq(user.id)
    end

    it "creates vomit reaction if possible spam based on pattern" do
      user.name = "Hi my name is magoo to the magee"
      user.save
      expect(Reaction.last.category).to eq("vomit")
      expect(Reaction.last.reactable_id).to eq(user.id)
    end

    it "does not create vomit reaction if does not have matching title" do
      user.save
      expect(Reaction.last).to be nil
    end

    it "does not create vomit reaction if does not have pattern match" do
      user.name = "Hi my name is magoo to"
      user.save
      expect(Reaction.last).to be nil
    end
  end

  describe "#suspended?" do
    subject { user.suspended? }

    context "with suspended role" do
      before do
        user.add_role(:suspended)
      end

      it { is_expected.to be true }
    end

    it { is_expected.to be false }
  end

  describe "#comment_suspended?" do
    subject { user.comment_suspended? }

    context "with comment_suspended role" do
      before do
        user.add_role(:comment_suspended)
      end

      it { is_expected.to be true }
    end

    it { is_expected.to be false }
  end

  describe "#moderator_for_tags" do
    let(:tags) { create_list(:tag, 2) }

    it "lists tags user moderates" do
      user.add_role(:tag_moderator, tags.first)

      expect(user.moderator_for_tags).to include(tags.first.name)
      expect(user.moderator_for_tags).not_to include(tags.last.name)
    end

    it "returns empty array if no tags moderated" do
      expect(user.moderator_for_tags).to be_empty
    end
  end

  describe "#followed_articles" do
    let!(:another_user) { create(:user) }
    let!(:articles) { create_list(:article, 2, user: another_user) }

    before do
      user.follow(another_user)
    end

    it "returns all articles following" do
      expect(user.followed_articles.size).to eq(articles.size)
    end

    it "returns segment of articles if limit is passed" do
      expect(user.followed_articles.limit(1).size).to eq(articles.size - 1)
    end
  end

  describe "theming properties" do
    before do
      allow(Settings::UserExperience).to receive(:default_font).and_return("sans-serif")
    end

    it "creates proper body class with defaults" do
      classes = "default sans-serif-article-body trusted-status-#{user.trusted} #{user.setting.config_navbar}-header"
      expect(user.decorate.config_body_class).to eq(classes)
    end

    it "determines dark theme if night theme" do
      user.setting.config_theme = "night_theme"
      expect(user.decorate.dark_theme?).to eq(true)
    end

    it "determines dark theme if ten x hacker" do
      user.setting.config_theme = "ten_x_hacker_theme"
      expect(user.decorate.dark_theme?).to eq(true)
    end

    it "determines not dark theme if not one of the dark themes" do
      user.setting.config_theme = "default"
      expect(user.decorate.dark_theme?).to eq(false)
    end

    it "creates proper body class with sans serif config" do
      user.setting.config_font = "sans_serif"

      classes = "default sans-serif-article-body trusted-status-#{user.trusted} #{user.setting.config_navbar}-header"
      expect(user.decorate.config_body_class).to eq(classes)
    end

    it "creates proper body class with open dyslexic config" do
      user.setting.config_font = "open_dyslexic"

      classes = "default open-dyslexic-article-body trusted-status-#{user.trusted} #{user.setting.config_navbar}-header"
      expect(user.decorate.config_body_class).to eq(classes)
    end

    it "creates proper body class with night theme" do
      user.setting.config_theme = "night_theme"

      # rubocop:disable Layout/LineLength
      classes = "night-theme sans-serif-article-body trusted-status-#{user.trusted} #{user.setting.config_navbar}-header"
      # rubocop:enable Layout/LineLength
      expect(user.decorate.config_body_class).to eq(classes)
    end

    it "creates proper body class with pink theme" do
      user.setting.config_theme = "pink_theme"

      classes = "pink-theme sans-serif-article-body trusted-status-#{user.trusted} #{user.setting.config_navbar}-header"
      expect(user.decorate.config_body_class).to eq(classes)
    end
  end

  describe "#calculate_score" do
    it "calculates a score" do
      user.update_column(:badge_achievements_count, 3)

      user.calculate_score
      expect(user.score).to eq(30)
    end
  end

  describe "cache counts" do
    it "has an accurate tag follow count" do
      tag = create(:tag)
      user.follow(tag)
      expect(user.reload.following_tags_count).to eq(1)
    end

    it "has an accurate user follow count" do
      user.follow(other_user)
      expect(user.reload.following_users_count).to eq(1)
    end

    it "has an accurate organization follow count" do
      user.follow(org)
      expect(user.reload.following_orgs_count).to eq(1)
    end

    it "returns cached ids of articles that have been saved to their readinglist" do
      article = create(:article)
      article2 = create(:article)
      create(:reading_reaction, user: user, reactable: article)
      create(:reading_reaction, user: user, reactable: article2)

      expect(user.cached_reading_list_article_ids).to eq([article2.id, article.id])
    end
  end

  describe "#org_admin?" do
    it "recognizes an org admin" do
      create(:organization_membership, user: user, organization: org, type_of_user: "admin")
      expect(user.org_admin?(org)).to be(true)
    end

    it "forbids an incorrect org admin" do
      other_org = create(:organization)
      create(:organization_membership, user: user, organization: org, type_of_user: "admin")
      expect(user.org_admin?(other_org)).to be(false)
      expect(other_user.org_admin?(org)).to be(false)
    end

    it "returns false if nil is given" do
      expect(user.org_admin?(nil)).to be(false)
    end
  end

  describe "#enough_credits?" do
    it "returns false if the user has less unspent credits than neeed" do
      expect(user.enough_credits?(1)).to be(false)
    end

    it "returns true if the user has the exact amount of unspent credits" do
      create(:credit, user: user, spent: false)
      expect(user.enough_credits?(1)).to be(true)
    end

    it "returns true if the user has more unspent credits than needed" do
      create_list(:credit, 2, user: user, spent: false)
      expect(user.enough_credits?(1)).to be(true)
    end
  end

  describe "#receives_follower_email_notifications?" do
    it "returns false if user has no email" do
      user.assign_attributes(email: nil)
      expect(user.receives_follower_email_notifications?).to be(false)
    end

    it "returns false if user opted out from follower notifications" do
      user.notification_setting.update(email_follower_notifications: false)
      expect(user.receives_follower_email_notifications?).to be(false)
    end

    it "returns true if user opted in from follower notifications and has an email" do
      user.notification_setting.update(email_follower_notifications: true)
      expect(user.receives_follower_email_notifications?).to be(true)
    end
  end

  describe ".staff_account" do
    it "returns nil if the account does not exist" do
      expect(described_class.staff_account).to be_nil
    end

    it "returns the user if the account exists" do
      allow(Settings::Community).to receive(:staff_user_id).and_return(user.id)

      expect(described_class.staff_account).to eq(user)
    end
  end

  describe ".mascot_account" do
    it "returns nil if the account does not exist" do
      expect(described_class.mascot_account).to be_nil
    end

    it "returns the user if the account exists" do
      allow(Settings::General).to receive(:mascot_user_id).and_return(user.id)

      expect(described_class.mascot_account).to eq(user)
    end
  end

  describe "#authenticated_through?" do
    let(:provider) { Authentication::Providers.available.first }

    it "returns false if provider is not known" do
      expect(user.authenticated_through?(:unknown)).to be(false)
    end

    it "returns false if provider is not enabled" do
      providers = Authentication::Providers.available - [provider]
      allow(Authentication::Providers).to receive(:enabled).and_return(providers)

      expect(user.authenticated_through?(provider)).to be(false)
    end

    it "returns false if the user has no related identity" do
      expect(user.authenticated_through?(provider)).to be(false)
    end

    it "returns true if the user has related identity" do
      user = create(:user, :with_identity, identities: [provider])
      expect(user.authenticated_through?(provider)).to be(true)
    end
  end

  describe "#authenticated_with_all_providers?" do
    let(:provider) { (Authentication::Providers.available - [:apple]).first }

    it "returns false if the user has no related identity" do
      expect(user.authenticated_with_all_providers?).to be(false)
    end

    it "returns false if the user is missing any of the identities" do
      providers = Authentication::Providers.available - [provider]
      user = create(:user, :with_identity, identities: providers)

      expect(user.authenticated_with_all_providers?).to be(false)
    end

    it "returns true if the user has all the enabled providers" do
      allow(Settings::Authentication).to receive(:providers).and_return(Authentication::Providers.available)

      user = create(:user, :with_identity)

      expect(user.authenticated_with_all_providers?).to be(true)
    end
  end

  describe "#trusted" do
    it "memoizes the result from rolify" do
      allow(Rails.cache)
        .to receive(:fetch)
        .with("user-#{user.id}/has_trusted_role", expires_in: 200.hours)
        .and_return(false)
        .once

      2.times { user.trusted }
    end
  end

  describe "profiles" do
    it "automatically creates a profile for new users", :aggregate_failures do
      user = create(:user)
      expect(user.profile).to be_present
      expect(user.profile).to respond_to(:location)
    end
  end
end