# frozen_string_literal: true

RSpec.describe Site do
  after do
    Site.clear_cache
  end

  def expect_correct_themes(guardian)
    json = Site.json_for(guardian)
    parsed = JSON.parse(json)

    expected = Theme.where('id = :default OR user_selectable',
                    default: SiteSetting.default_theme_id)
      .order(:name)
      .pluck(:id, :name, :color_scheme_id)
      .map { |id, n, cs| { "theme_id" => id, "name" => n, "default" => id == SiteSetting.default_theme_id, "color_scheme_id" => cs } }

    expect(parsed["user_themes"]).to eq(expected)
  end

  it "includes user themes and expires them as needed" do
    default_theme = Fabricate(:theme)
    SiteSetting.default_theme_id = default_theme.id
    user_theme = Fabricate(:theme, user_selectable: true)
    second_user_theme = Fabricate(:theme, user_selectable: true)
    color_scheme = Fabricate(:color_scheme)

    anon_guardian = Guardian.new
    user_guardian = Guardian.new(Fabricate(:user))

    expect_correct_themes(anon_guardian)
    expect_correct_themes(user_guardian)

    Theme.clear_default!

    expect_correct_themes(anon_guardian)
    expect_correct_themes(user_guardian)

    user_theme.user_selectable = false
    user_theme.save!

    expect_correct_themes(anon_guardian)
    expect_correct_themes(user_guardian)

    second_user_theme.color_scheme_id = color_scheme.id
    second_user_theme.save!

    expect_correct_themes(anon_guardian)
    expect_correct_themes(user_guardian)
  end

  it "returns correct notification level for categories" do
    category = Fabricate(:category)
    guardian = Guardian.new
    expect(Site.new(guardian).categories.last[:notification_level]).to eq(1)
    SiteSetting.mute_all_categories_by_default = true
    expect(Site.new(guardian).categories.last[:notification_level]).to eq(0)
    SiteSetting.default_categories_tracking = category.id.to_s
    expect(Site.new(guardian).categories.last[:notification_level]).to eq(1)
  end

  describe '#categories' do
    fab!(:category) { Fabricate(:category) }
    fab!(:user) { Fabricate(:user) }
    let(:guardian) { Guardian.new(user) }

    it "omits read restricted categories" do
      expect(Site.new(guardian).categories.map { |c| c[:id] }).to contain_exactly(
        SiteSetting.uncategorized_category_id, category.id
      )

      category.update!(read_restricted: true)

      expect(Site.new(guardian).categories.map { |c| c[:id] }).to contain_exactly(
        SiteSetting.uncategorized_category_id
      )
    end

    it "includes categories that a user's group can see" do
      group = Fabricate(:group)
      category.update!(read_restricted: true)
      category.groups << group

      expect(Site.new(guardian).categories.map { |c| c[:id] }).to contain_exactly(
        SiteSetting.uncategorized_category_id
      )

      group.add(user)

      expect(Site.new(Guardian.new(user)).categories.map { |c| c[:id] }).to contain_exactly(
        SiteSetting.uncategorized_category_id, category.id
      )
    end

    it "omits categories users can not write to from the category list" do
      expect(Site.new(guardian).categories.count).to eq(2)

      category.set_permissions(everyone: :create_post)
      category.save!

      guardian = Guardian.new(user)

      expect(Site.new(guardian)
          .categories
          .keep_if { |c| c[:name] == category.name }
          .first[:permission])
        .not_to eq(CategoryGroup.permission_types[:full])

      # If a parent category is not visible, the child categories should not be returned
      category.set_permissions(staff: :full)
      category.save!

      sub_category = Fabricate(:category, parent_category_id: category.id)
      expect(Site.new(guardian).categories).not_to include(sub_category)
    end

    it 'should clear the cache when custom fields are updated' do
      Site.preloaded_category_custom_fields << "enable_marketplace"
      categories = Site.new(Guardian.new).categories

      expect(categories.last[:custom_fields]["enable_marketplace"]).to eq(nil)

      category.custom_fields["enable_marketplace"] = true
      category.save_custom_fields

      categories = Site.new(Guardian.new).categories

      expect(categories.last[:custom_fields]["enable_marketplace"]).to eq('t')

      category.upsert_custom_fields(enable_marketplace: false)

      categories = Site.new(Guardian.new).categories

      expect(categories.last[:custom_fields]["enable_marketplace"]).to eq('f')
    ensure
      Site.reset_preloaded_category_custom_fields
    end

    it 'sets the can_edit field for categories correctly' do
      categories = Site.new(Guardian.new).categories

      expect(categories.map { |c| c[:can_edit] }).to contain_exactly(false, false)

      site = Site.new(Guardian.new(Fabricate(:moderator)))

      expect(site.categories.map { |c| c[:can_edit] }).to contain_exactly(false, false)

      SiteSetting.moderators_manage_categories_and_groups = true

      site = Site.new(Guardian.new(Fabricate(:moderator)))

      expect(site.categories.map { |c| c[:can_edit] }).to contain_exactly(true, true)
    end
  end

  it "omits groups user can not see" do
    user = Fabricate(:user)
    site = Site.new(Guardian.new(user))

    staff_group = Fabricate(:group, visibility_level: Group.visibility_levels[:staff])
    expect(site.groups.pluck(:name)).not_to include(staff_group.name)

    public_group = Fabricate(:group)
    expect(site.groups.pluck(:name)).to include(public_group.name)

    admin = Fabricate(:admin)
    site = Site.new(Guardian.new(admin))
    expect(site.groups.pluck(:name)).to include(staff_group.name, public_group.name, "everyone")
  end

  it "includes all enabled authentication providers" do
    SiteSetting.enable_twitter_logins = true
    SiteSetting.enable_facebook_logins = true
    data = JSON.parse(Site.json_for(Guardian.new))
    expect(data["auth_providers"].map { |a| a["name"] }).to contain_exactly('facebook', 'twitter')
  end

  it "includes all enabled authentication providers for anon when login_required" do
    SiteSetting.login_required = true
    SiteSetting.enable_twitter_logins = true
    SiteSetting.enable_facebook_logins = true
    data = JSON.parse(Site.json_for(Guardian.new))
    expect(data["auth_providers"].map { |a| a["name"] }).to contain_exactly('facebook', 'twitter')
  end

  describe ".show_welcome_topic_banner?" do
    it "returns false when the user is not admin" do
      first_post = Fabricate(:post, created_at: 25.days.ago)
      SiteSetting.welcome_topic_id = first_post.topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(Fabricate(:user)))).to eq(false)
    end

    it "returns false when the user is not first admin who logs in" do
      admin = Fabricate(:admin)
      first_post = Fabricate(:post, created_at: 25.days.ago)
      SiteSetting.welcome_topic_id = first_post.topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(admin))).to eq(false)
      expect(Discourse.cache.read(Site.welcome_topic_banner_cache_key(admin.id))).to eq(false)
    end

    it "returns true when welcome topic is less than month old" do
      admin = Fabricate(:admin)
      UserAuthToken.generate!(user_id: admin.id)

      first_post = Fabricate(:post, created_at: 25.days.ago)
      SiteSetting.welcome_topic_id = first_post.topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(admin))).to eq(true)
      expect(Discourse.cache.read(Site.welcome_topic_banner_cache_key(admin.id))).to eq(true)
    end

    it "returns false when welcome topic is more than month old" do
      admin = Fabricate(:admin)
      UserAuthToken.generate!(user_id: admin.id)

      first_post = Fabricate(:post, created_at: 35.days.ago)
      SiteSetting.welcome_topic_id = first_post.topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(admin))).to eq(false)
      expect(Discourse.cache.read(Site.welcome_topic_banner_cache_key(admin.id))).to eq(false)
    end

    it "returns false when welcome topic has been edited" do
      admin = Fabricate(:admin)
      UserAuthToken.generate!(user_id: admin.id)

      first_post = Fabricate(:post, version: 2, created_at: 25.days.ago)
      SiteSetting.welcome_topic_id = first_post.topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(admin))).to eq(false)
      expect(Discourse.cache.read(Site.welcome_topic_banner_cache_key(admin.id))).to eq(false)
    end

    it "returns false when welcome topic has been deleted" do
      admin = Fabricate(:admin)
      UserAuthToken.generate!(user_id: admin.id)

      topic = Fabricate(:topic, deleted_at: 1.minute.ago)
      first_post = Fabricate(:post, topic: topic, created_at: 25.days.ago)
      SiteSetting.welcome_topic_id = topic.id

      expect(Site.show_welcome_topic_banner?(Guardian.new(admin))).to eq(false)
      expect(Discourse.cache.read(Site.welcome_topic_banner_cache_key(admin.id))).to eq(false)
    end
  end

end