require "rails_helper"

RSpec.describe "Home Page Features" do
  include CollectionTimeHelper

  let!(:user) { FactoryBot.create(:user) }
  let(:storage_service) { instance_double(Storage::S3Service, get_file_metadata: nil) }

  before do
    sign_in user
    allow(Storage::S3Service).to receive(:new).and_return(storage_service)
    allow(storage_service).to receive(:configuration).and_return(OpenStruct.new(bucket_name: "core-test-collection-resources"))
  end

  describe "_upcoming_deadlines" do
    let(:current_collection_year) { 2024 }
    let(:next_collection_year) { 2025 }

    context "when visiting during the current collection year" do
      before do
        allow(FormHandler.instance).to receive(:in_crossover_period?).and_return(false)
        # rubocop:disable RSpec/AnyInstance
        allow_any_instance_of(CollectionTimeHelper).to receive(:current_collection_start_year).and_return(current_collection_year)
        allow_any_instance_of(CollectionTimeHelper).to receive(:current_collection_end_year).and_return(current_collection_year + 1)
        # rubocop:enable RSpec/AnyInstance
      end

      scenario "displays correct text for quarters" do
        Timecop.freeze(Time.zone.local(current_collection_year, 4, 1)) do
          visit root_path
          find("span.govuk-details__summary-text", text: "Quarterly cut-off dates for 2024 to 2025").click
          expect(page).to have_content("Q1 - Friday 12 July 2024")
          expect(page).to have_content("Q2 - Friday 11 October 2024")
          expect(page).to have_content("Q3 - Friday 10 January 2025")
          expect(page).to have_content("End of year deadline - Friday 6 June 2025")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q1" do
        Timecop.freeze(Time.zone.local(current_collection_year, 4, 1)) do
          visit root_path
          expect(page).to have_content("Q1 - Friday 12 July 2024")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q2" do
        Timecop.freeze(Time.zone.local(current_collection_year, 8, 1)) do
          visit root_path
          expect(page).to have_content("Q2 - Friday 11 October 2024")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q3" do
        Timecop.freeze(Time.zone.local(current_collection_year, 11, 1)) do
          visit root_path
          expect(page).to have_content("Q3 - Friday 10 January 2025")
        end
        Timecop.return
      end
    end

    context "when visiting during the next collection year" do
      before do
        allow(FormHandler.instance).to receive(:in_crossover_period?).and_return(false)
        # rubocop:disable RSpec/AnyInstance
        allow_any_instance_of(CollectionTimeHelper).to receive(:current_collection_start_year).and_return(next_collection_year)
        allow_any_instance_of(CollectionTimeHelper).to receive(:current_collection_end_year).and_return(next_collection_year + 1)
        # rubocop:enable RSpec/AnyInstance
      end

      scenario "displays correct text for quarters" do
        Timecop.freeze(Time.zone.local(next_collection_year, 4, 1)) do
          visit root_path
          find("span.govuk-details__summary-text", text: "Quarterly cut-off dates for 2025 to 2026").click
          expect(page).to have_content("Q1 - Friday 11 July 2025")
          expect(page).to have_content("Q2 - Friday 10 October 2025")
          expect(page).to have_content("Q3 - Friday 16 January 2026")
          expect(page).to have_content("End of year deadline - Friday 5 June 2026")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q1" do
        Timecop.freeze(Time.zone.local(next_collection_year, 4, 1)) do
          visit root_path
          expect(page).to have_content("Q1 - Friday 11 July 2025")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q2" do
        Timecop.freeze(Time.zone.local(next_collection_year, 8, 1)) do
          visit root_path
          expect(page).to have_content("Q2 - Friday 10 October 2025")
        end
        Timecop.return
      end

      scenario "displays correct current quarter as Q3" do
        Timecop.freeze(Time.zone.local(next_collection_year, 11, 1)) do
          visit root_path
          expect(page).to have_content("Q3 - Friday 16 January 2026")
        end
        Timecop.return
      end
    end
  end
end