require "rails_helper"

RSpec.describe ApplicationHelper do
  form_handler = FormHandler.instance
  let(:form) { form_handler.get_form("test_form") }
  let(:subsection) { form.get_subsection("household_characteristics") }
  let(:lettings_log) { FactoryBot.build(:lettings_log, :in_progress) }
  let(:pagy) { nil }
  let(:current_user) { FactoryBot.create(:user) }

  describe "govuk_service_navigation_classes" do
    context "with non-support user" do
      context "when no notifications are displayed" do
        before do
          allow(helper).to receive(:notifications_to_display?).and_return(false)
        end

        it "returns empty string for blue border (default)" do
          expect(helper.govuk_service_navigation_classes(current_user)).to eq("")
        end
      end

      context "when notifications are displayed" do
        before do
          allow(helper).to receive(:notifications_to_display?).and_return(true)
        end

        it "returns no-border class to hide the border (notification banner shows instead)" do
          expect(helper.govuk_service_navigation_classes(current_user)).to eq("app-service-navigation--no-border")
        end
      end
    end

    context "with support user" do
      let(:current_user) { FactoryBot.create(:user, :support) }

      context "when no notifications are displayed" do
        before do
          allow(helper).to receive(:notifications_to_display?).and_return(false)
        end

        it "always returns orange class for orange border" do
          expect(helper.govuk_service_navigation_classes(current_user)).to eq("app-service-navigation--orange")
        end
      end

      context "when notifications are displayed" do
        before do
          allow(helper).to receive(:notifications_to_display?).and_return(true)
        end

        it "still returns orange class (support users always see orange border)" do
          expect(helper.govuk_service_navigation_classes(current_user)).to eq("app-service-navigation--orange")
        end
      end
    end
  end

  describe "govuk_phase_banner_tag" do
    context "with external user" do
      it "shows the standard phase tag" do
        expect(govuk_phase_banner_tag(current_user)).to eq({ text: "Beta" })
      end
    end

    context "with support user" do
      let(:current_user) { FactoryBot.create(:user, :support) }

      it "shows an orange phase tag" do
        expect(govuk_phase_banner_tag(current_user)).to eq({
          colour: "orange",
          text: "Support beta",
        })
      end
    end
  end

  describe "browser_title" do
    context "with no pagination" do
      it "returns correct browser title when title is given" do
        expect(browser_title("title", pagy))
          .to eq("title - #{t('service_name')} - GOV.UK")
      end

      it "returns correct browser title when title is not given" do
        expect(browser_title(nil, pagy))
          .to eq("#{t('service_name')} - GOV.UK")
      end
    end

    context "with pagination" do
      let(:pagy) { OpenStruct.new(page: 1, pages: 2) }

      it "returns correct browser title when title is given" do
        expect(browser_title("title", pagy))
          .to eq("title (page 1 of 2) - #{t('service_name')} - GOV.UK")
      end

      it "returns correct browser title when title is not given" do
        expect(browser_title(nil, pagy))
          .to eq("#{t('service_name')} - GOV.UK")
      end
    end
  end
end