require "rails_helper"

RSpec.describe MaintenanceController, type: :request do
  let(:page) { Capybara::Node::Simple.new(response.body) }
  let(:user) { FactoryBot.create(:user) }

  before do
    sign_in user
  end

  describe "when maintenance mode is enabled" do
    before do
      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
    end

    context "when a user visits a page other than the maintenance page" do
      before do
        get "/lettings-logs"
      end

      it "redirects the user to the maintenance page" do
        expect(response).to redirect_to(service_unavailable_path)
        follow_redirect!
        expect(page).to have_content("Sorry, the service is unavailable")
      end

      it "the cookie banner is visible" do
        follow_redirect!
        expect(page).to have_content("We’d like to use analytics cookies so we can understand how you use the service and make improvements.")
      end
    end

    context "when a user visits the maintenance page" do
      before do
        get "/service-unavailable"
      end

      it "keeps the user on the maintenance page" do
        expect(response).not_to redirect_to(service_unavailable_path)
        expect(page).to have_content("Sorry, the service is unavailable")
      end

      it "the cookie banner is visible" do
        expect(page).to have_content("We’d like to use analytics cookies so we can understand how you use the service and make improvements.")
      end
    end
  end

  describe "when maintenance mode is disabled" do
    before do
      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(false)
    end

    context "when a user visits a page other than the maintenance page" do
      before do
        get "/lettings-logs"
      end

      it "doesn't redirect the user to the maintenance page" do
        expect(response).not_to redirect_to(service_unavailable_path)
        expect(page).to have_content("Create a new lettings log")
      end

      it "the cookie banner is visible" do
        expect(page).to have_content("We’d like to use analytics cookies so we can understand how you use the service and make improvements.")
      end
    end

    context "when a user visits the maintenance page" do
      before do
        get "/service-unavailable"
      end

      it "redirects the user to the start page" do
        expect(response).to redirect_to(root_path)
      end

      it "the cookie banner is visible" do
        follow_redirect!
        follow_redirect!
        expect(page).to have_content("We’d like to use analytics cookies so we can understand how you use the service and make improvements.")
      end
    end
  end
end