# frozen_string_literal: true

require 'spec_helper'

RSpec.describe LabelsHelper do
  describe '#show_label_issuables_link?' do
    shared_examples 'a valid response to show_label_issuables_link?' do |issuables_type, when_enabled = true, when_disabled = false|
      context "when asking for a #{issuables_type} link" do
        subject { show_label_issuables_link?(label.present(issuable_subject: nil), issuables_type) }

        context "when #{issuables_type} are enabled for the project" do
          let(:project) { create(:project, "#{issuables_type}_access_level": ProjectFeature::ENABLED) }

          it { is_expected.to be(when_enabled) }
        end

        context "when #{issuables_type} are disabled for the project" do
          let(:project) { create(:project, :public, "#{issuables_type}_access_level": ProjectFeature::DISABLED) }

          it { is_expected.to be(when_disabled) }
        end
      end
    end

    context 'with a project label' do
      let(:label) { create(:label, project: project, title: 'bug') }

      context 'when asking for an issue link' do
        it_behaves_like 'a valid response to show_label_issuables_link?', :issues
      end

      context 'when asking for a merge requests link' do
        it_behaves_like 'a valid response to show_label_issuables_link?', :merge_requests
      end
    end

    context 'with a group label' do
      let_it_be(:group) { create(:group) }

      let(:label) { create(:group_label, group: group, title: 'bug') }

      context 'when asking for an issue link' do
        it_behaves_like 'a valid response to show_label_issuables_link?', :issues, true, true
      end

      context 'when asking for a merge requests link' do
        it_behaves_like 'a valid response to show_label_issuables_link?', :merge_requests, true, true
      end
    end
  end

  describe 'link_to_label' do
    let(:project) { create(:project) }
    let(:label) { create(:label, project: project) }
    let(:subject) { nil }
    let(:label_presenter) { label.present(issuable_subject: subject) }

    context 'without subject' do
      it "uses the label's project" do
        expect(link_to_label(label_presenter)).to match %r{<a.*href="/#{label.project.full_path}/-/issues\?label_name%5B%5D=#{label.name}".*>.*</a>}m
      end
    end

    context 'with a project as subject' do
      let(:namespace) { build(:namespace) }
      let(:subject) { build(:project, namespace: namespace) }

      it 'links to project issues page' do
        expect(link_to_label(label_presenter)).to match %r{<a.*href="/#{subject.full_path}/-/issues\?label_name%5B%5D=#{label.name}".*>.*</a>}m
      end
    end

    context 'with a group as subject' do
      let(:subject) { build(:group) }

      it 'links to group issues page' do
        expect(link_to_label(label_presenter)).to match %r{<a.*href="/groups/#{subject.path}/-/issues\?label_name%5B%5D=#{label.name}".*>.*</a>}m
      end
    end

    context 'with a type argument' do
      ['issue', :issue, 'merge_request', :merge_request].each do |type|
        context "set to #{type}" do
          it 'links to correct page' do
            expect(link_to_label(label_presenter, type: type)).to match %r{<a.*href="/#{label.project.full_path}/-/#{type.to_s.pluralize}\?label_name%5B%5D=#{label.name}".*>.*</a>}m
          end
        end
      end
    end

    context 'with a tooltip argument' do
      context 'set to false' do
        it 'does not include the has-tooltip class' do
          expect(link_to_label(label_presenter, tooltip: false)).not_to match /has-tooltip/
        end
      end
    end

    context 'with block' do
      it 'passes the block to link_to' do
        link = link_to_label(label_presenter) { 'Foo' }
        expect(link).to match('Foo')
      end
    end

    context 'without block' do
      it 'uses render_colored_label as the link content' do
        expect(self).to receive(:render_colored_label)
          .with(label_presenter).and_return('Foo')
        expect(link_to_label(label_presenter)).to match('Foo')
      end
    end
  end

  describe 'render_label_text' do
    it 'html escapes the bg_color correctly' do
      xss_payload = '"><img src=x onerror=prompt(1)>'
      label_text = render_label_text('xss', bg_color: xss_payload)
      expect(label_text).to include(html_escape(xss_payload))
    end
  end

  describe 'text_color_for_bg' do
    it 'uses light text on dark backgrounds' do
      expect(text_color_for_bg('#222E2E')).to be_color('#FFFFFF')
    end

    it 'uses dark text on light backgrounds' do
      expect(text_color_for_bg('#EEEEEE')).to be_color('#1F1E24')
    end

    it 'supports RGB triplets' do
      expect(text_color_for_bg('#FFF')).to be_color '#1F1E24'
      expect(text_color_for_bg('#000')).to be_color '#FFFFFF'
    end
  end

  describe 'create_label_title' do
    let_it_be(:group) { create(:group) }

    context 'with a group as subject' do
      it 'returns "Create group label"' do
        expect(create_label_title(group)).to eq _('Create group label')
      end
    end

    context 'with a project as subject' do
      let_it_be(:project) { create(:project, namespace: group) }

      it 'returns "Create project label"' do
        expect(create_label_title(project)).to eq _('Create project label')
      end
    end

    context 'with no subject' do
      it 'returns "Create new label"' do
        expect(create_label_title(nil)).to eq _('Create new label')
      end
    end
  end

  describe 'manage_labels_title' do
    let_it_be(:group) { create(:group) }

    context 'with a group as subject' do
      it 'returns "Manage group labels"' do
        expect(manage_labels_title(group)).to eq _('Manage group labels')
      end
    end

    context 'with a project as subject' do
      let_it_be(:project) { create(:project, namespace: group) }

      it 'returns "Manage project labels"' do
        expect(manage_labels_title(project)).to eq _('Manage project labels')
      end
    end

    context 'with no subject' do
      it 'returns "Manage labels"' do
        expect(manage_labels_title(nil)).to eq _('Manage labels')
      end
    end
  end

  describe 'view_labels_title' do
    let_it_be(:group) { create(:group) }

    context 'with a group as subject' do
      it 'returns "View group labels"' do
        expect(view_labels_title(group)).to eq _('View group labels')
      end
    end

    context 'with a project as subject' do
      let_it_be(:project) { create(:project, namespace: group) }

      it 'returns "View project labels"' do
        expect(view_labels_title(project)).to eq _('View project labels')
      end
    end

    context 'with no subject' do
      it 'returns "View labels"' do
        expect(view_labels_title(nil)).to eq _('View labels')
      end
    end
  end

  describe 'labels_filter_path' do
    let(:group) { create(:group) }
    let(:project) { create(:project) }

    it 'links to the dashboard labels page' do
      expect(labels_filter_path).to eq(dashboard_labels_path)
    end

    it 'links to the group labels page' do
      assign(:group, group)

      expect(helper.labels_filter_path).to eq(group_labels_path(group))
    end

    it 'links to the project labels page' do
      assign(:project, project)

      expect(helper.labels_filter_path).to eq(project_labels_path(project))
    end

    it 'supports json format' do
      expect(labels_filter_path(format: :json)).to eq(dashboard_labels_path(format: :json))
    end
  end

  describe 'presented_labels_sorted_by_title' do
    let(:labels) do
      [build(:label, title: 'a'),
       build(:label, title: 'B'),
       build(:label, title: 'c'),
       build(:label, title: 'D')]
    end

    it 'sorts labels alphabetically' do
      sorted_ids = presented_labels_sorted_by_title(labels, nil).map(&:id)

      expect(sorted_ids)
        .to match_array([labels[1].id, labels[3].id, labels[0].id, labels[2].id])
    end

    it 'returns an array of label presenters' do
      expect(presented_labels_sorted_by_title(labels, nil))
        .to all(be_a(LabelPresenter))
    end
  end

  describe '#label_status_tooltip' do
    let(:status) { 'unsubscribed'.inquiry }

    subject { label_status_tooltip(label.present(issuable_subject: nil), status) }

    context 'with a project label' do
      let(:label) { create(:label, title: 'bug') }

      it { is_expected.to eq('Subscribe at project level') }
    end

    context 'with a group label' do
      let(:label) { create(:group_label, title: 'bug') }

      it { is_expected.to eq('Subscribe at group level') }
    end
  end

  describe '#label_tooltip_title' do
    let(:html) { '<img src="example.png">This is an image</img>' }
    let(:label_with_html_content) { create(:label, title: 'test', description: html) }

    it 'removes HTML' do
      tooltip = label_tooltip_title(label_with_html_content)
      expect(tooltip).to eq('This is an image')
    end
  end

  describe '#show_labels_full_path?' do
    let_it_be(:group) { create(:group) }
    let_it_be(:subgroup) { create(:group, parent: group) }
    let_it_be(:project) { create(:project, group: group) }

    context 'within a project' do
      it 'returns truthy' do
        expect(show_labels_full_path?(project, nil)).to be_truthy
      end
    end

    context 'within a subgroup' do
      it 'returns truthy' do
        expect(show_labels_full_path?(nil, subgroup)).to be_truthy
      end
    end

    context 'within a group' do
      it 'returns falsey' do
        expect(show_labels_full_path?(nil, group)).to be_falsey
      end
    end

    context 'within the admin area' do
      it 'returns falsey' do
        expect(show_labels_full_path?(nil, nil)).to be_falsey
      end
    end
  end

  describe '#wrap_label_html' do
    let(:project) { build_stubbed(:project) }
    let(:xss_label) do
      build_stubbed(:label, name: 'xsslabel', project: project, color: '"><img src=x onerror=prompt(1)>')
    end

    it 'does not include the color' do
      expect(wrap_label_html('xss', label: xss_label, small: false)).not_to include('color:')
    end
  end

  describe '#label_subscription_toggle_button_text' do
    let(:label) { instance_double(Label) }
    let(:current_user) { instance_double(User) }

    subject { label_subscription_toggle_button_text(label) }

    context 'when the label is subscribed' do
      before do
        allow(label).to receive(:subscribed?).and_return(true)
      end

      it { is_expected.to eq(_('Unsubscribe')) }
    end

    context 'when the label is not subscribed' do
      before do
        allow(label).to receive(:subscribed?).and_return(false)
      end

      it { is_expected.to eq(_('Subscribe')) }
    end
  end
end