# frozen_string_literal: true

require 'spec_helper'

RSpec.describe NamespacesHelper, feature_category: :groups_and_projects do
  let!(:admin) { create(:admin) }
  let!(:admin_project_creation_level) { nil }
  let!(:admin_group) do
    create(:group, :private, project_creation_level: admin_project_creation_level)
  end

  let!(:user) { create(:user) }
  let!(:user_project_creation_level) { nil }
  let!(:user_group) do
    create(:group, :private, project_creation_level: user_project_creation_level)
  end

  let!(:subgroup1) do
    create(:group, :private, parent: admin_group, project_creation_level: nil)
  end

  let!(:subgroup2) do
    create(
      :group,
      :private,
      parent: admin_group,
      project_creation_level: ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS
    )
  end

  let!(:subgroup3) do
    create(
      :group,
      :private,
      parent: admin_group,
      project_creation_level: ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS
    )
  end

  let!(:project1) { build(:project, namespace: subgroup1) }
  let!(:project2) do
    user.create_namespace!(path: user.username, name: user.name) unless user.namespace
    build(:project, namespace: user.namespace)
  end

  let_it_be(:attribute) { :math_rendering_limits_enabled }

  before do
    admin_group.add_owner(admin)
    user_group.add_owner(user)
  end

  describe '#check_group_lock' do
    context 'when the method exists on namespace_settings' do
      it 'calls the method on namespace_settings' do
        expect(subgroup1.namespace_settings).to receive(attribute).and_return(true)
        expect(helper.check_group_lock(subgroup1, attribute)).to be true
      end
    end

    context 'when the method does not exist on namespace_settings' do
      it 'returns false' do
        expect(helper.check_group_lock(subgroup1, :non_existent_method)).to be false
      end
    end
  end

  describe '#check_project_lock' do
    let(:project) { build(:project, group: subgroup1) }

    it 'returns true when the method exists and returns true' do
      allow(project.project_setting).to receive(attribute).and_return(true)
      expect(helper.check_project_lock(project, attribute)).to be true
    end

    it 'returns false when the method does not exist' do
      expect(helper.check_project_lock(project, :non_existent_method)).to be false
    end
  end

  describe '#cascading_namespace_settings_tooltip_data' do
    it 'returns tooltip data with testid' do
      allow(helper).to receive(:cascading_namespace_settings_tooltip_raw_data).and_return({ key: 'value' })
      result = helper.cascading_namespace_settings_tooltip_data(attribute, subgroup1, -> {})
      expect(result[:tooltip_data]).to eq('{"key":"value"}')
      expect(result[:testid]).to eq('cascading-settings-lock-icon')
    end
  end

  describe '#cascading_namespace_settings_tooltip_raw_data' do
    subject do
      helper.cascading_namespace_settings_tooltip_data(
        attribute,
        subgroup1,
        ->(locked_ancestor) { edit_group_path(locked_ancestor, anchor: 'js-permissions-settings') }
      )
    end

    context 'when locked by an application setting' do
      before do
        allow(subgroup1.namespace_settings).to receive("#{attribute}_locked_by_application_setting?").and_return(true)
        allow(subgroup1.namespace_settings).to receive("#{attribute}_locked_by_ancestor?").and_return(false)
      end

      it 'returns expected hash' do
        expect(subject).to match({
          tooltip_data: {
            locked_by_application_setting: true,
            locked_by_ancestor: false
          }.to_json,
          testid: 'cascading-settings-lock-icon'
        })
      end
    end

    context 'when locked by an ancestor namespace' do
      before do
        allow(subgroup1.namespace_settings).to receive("#{attribute}_locked_by_application_setting?").and_return(false)
        allow(subgroup1.namespace_settings).to receive("#{attribute}_locked_by_ancestor?").and_return(true)
        allow(subgroup1.namespace_settings).to receive("#{attribute}_locked_ancestor").and_return(admin_group.namespace_settings)
      end

      it 'returns expected hash' do
        expect(subject).to match({
          tooltip_data: {
            locked_by_application_setting: false,
            locked_by_ancestor: true,
            ancestor_namespace: {
              full_name: admin_group.full_name,
              path: edit_group_path(admin_group, anchor: 'js-permissions-settings')
            }
          }.to_json,
          testid: 'cascading-settings-lock-icon'
        })
      end
    end
  end

  describe '#project_cascading_namespace_settings_tooltip_data' do
    using RSpec::Parameterized::TableSyntax

    let(:settings_path_helper) { ->(locked_ancestor) { edit_group_path(locked_ancestor) } }

    subject do
      helper.project_cascading_namespace_settings_tooltip_data(attribute, project, settings_path_helper)
    end

    shared_examples 'returns correct data' do
      context 'when attribute is nil' do
        let(:attribute) { nil }

        it { is_expected.to be nil }
      end

      context 'when project is nil' do
        let(:project) { nil }

        it { is_expected.to be nil }
      end

      context 'when settings_path_helper is nil' do
        let(:settings_path_helper) { nil }

        it { is_expected.to be nil }
      end

      where(:locked_by_ancestor, :locked_by_application_setting, :locked_by_project, :expected_result) do
        false | false | false | { locked_by_application_setting: false, locked_by_ancestor: false }
        false | true  | false | { locked_by_application_setting: true, locked_by_ancestor: false }
        true  | false | false | { locked_by_application_setting: false, locked_by_ancestor: true, ancestor_namespace: { full_name: String, path: String } }
        false | false | true  | { locked_by_application_setting: false, locked_by_ancestor: true, ancestor_namespace: { full_name: String, path: String } }
      end

      with_them do
        before do
          allow(helper).to receive(:check_project_lock)
            .with(project, "#{attribute}_locked_by_application_setting?")
            .and_return(locked_by_application_setting)

          allow(helper).to receive(:check_project_lock)
            .with(project, "#{attribute}_locked_by_ancestor?")
            .and_return(locked_by_ancestor)

          allow(helper).to receive(:check_project_lock)
            .with(project, "#{attribute}_locked?")
            .and_return(locked_by_project)
        end

        it 'returns the expected result' do
          is_expected.to include(expected_result)

          if expected_result[:ancestor_namespace]
            expect(subject[:ancestor_namespace][:full_name]).to eq(project.parent.name)
            expect(subject[:ancestor_namespace][:path]).to eq(Gitlab::UrlBuilder.build(project.parent, only_path: true))
          end
        end

        context 'when data is already locked by ancestor' do
          before do
            allow(helper).to receive(:check_group_lock)
              .with(project.namespace, "#{attribute}_locked_by_ancestor?")
              .and_return(true)
            allow(helper).to receive(:check_group_lock)
              .with(project.namespace, "#{attribute}_locked_by_application_setting?")
              .and_return(false)
          end

          it 'returns early without modifying data' do
            expect(helper).not_to receive(:check_project_lock)

            is_expected.to eq({ locked_by_ancestor: true, locked_by_application_setting: false })
          end
        end
      end
    end

    context 'when project parent is a group' do
      let(:project) { project1 }

      it_behaves_like 'returns correct data'
    end

    context 'when project parent is a user namespace' do
      let(:project) { project2 }

      it_behaves_like 'returns correct data'
    end
  end

  describe '#cascading_namespace_setting_locked?' do
    context 'when `group` argument is `nil`' do
      it 'returns `false`' do
        expect(helper.cascading_namespace_setting_locked?(attribute, nil)).to eq(false)
      end
    end

    context 'when `*_locked?` method does not exist' do
      it 'returns `false`' do
        expect(helper.cascading_namespace_setting_locked?(:attribute_that_does_not_exist, admin_group)).to eq(false)
      end
    end

    context 'when `*_locked?` method does exist' do
      before do
        allow(admin_group.namespace_settings).to receive(:"#{attribute}_locked?").and_return(true)
      end

      it 'calls corresponding `*_locked?` method' do
        helper.cascading_namespace_setting_locked?(attribute, admin_group, include_self: true)

        expect(admin_group.namespace_settings).to have_received(:"#{attribute}_locked?").with(include_self: true)
      end
    end
  end

  describe '#pipeline_usage_app_data', unless: Gitlab.ee?, feature_category: :consumables_cost_management do
    it 'returns a hash with necessary data for the frontend' do
      expect(helper.pipeline_usage_app_data(user_group)).to eql({
        namespace_actual_plan_name: user_group.actual_plan_name,
        namespace_path: user_group.full_path,
        namespace_id: user_group.id,
        user_namespace: user_group.user_namespace?.to_s,
        page_size: Kaminari.config.default_per_page
      })
    end
  end
end