require "rails_helper"

RSpec.describe FormController, type: :request do
  let(:page) { Capybara::Node::Simple.new(response.body) }
  let(:user) { create(:user) }
  let(:organisation) { user.organisation }
  let(:other_user) { create(:user) }
  let(:other_organisation) { other_user.organisation }
  let!(:unauthorized_lettings_log) do
    create(
      :lettings_log,
      assigned_to: other_user,
    )
  end
  let(:setup_complete_lettings_log) do
    create(
      :lettings_log,
      :setup_completed,
      status: 1,
      assigned_to: user,
    )
  end
  let(:completed_lettings_log) do
    create(
      :lettings_log,
      :completed,
      assigned_to: user,
    )
  end
  let(:headers) { { "Accept" => "text/html" } }
  let(:fake_2021_2022_form) { Form.new("spec/fixtures/forms/2021_2022.json") }

  before do
    allow(fake_2021_2022_form).to receive(:new_logs_end_date).and_return(Time.zone.today + 1.day)
    allow(fake_2021_2022_form).to receive(:edit_end_date).and_return(Time.zone.today + 2.months)
    allow(FormHandler.instance).to receive(:current_lettings_form).and_return(fake_2021_2022_form)
    allow(FormHandler.instance).to receive(:lettings_in_crossover_period?).and_return(true)
  end

  context "when a user is not signed in" do
    let!(:lettings_log) do
      create(
        :lettings_log,
        assigned_to: user,
      )
    end

    describe "GET" do
      it "does not let you get lettings logs pages you don't have access to" do
        get "/lettings-logs/#{lettings_log.id}/person-1-age", headers: headers, params: {}
        expect(response).to redirect_to("/account/sign-in")
      end

      it "does not let you get lettings log check answer pages you don't have access to" do
        get "/lettings-logs/#{lettings_log.id}/household-characteristics/check-answers", headers: headers, params: {}
        expect(response).to redirect_to("/account/sign-in")
      end
    end

    describe "POST" do
      it "does not let you post form answers to lettings logs you don't have access to" do
        post "/lettings-logs/#{lettings_log.id}/net-income", params: {}
        expect(response).to redirect_to("/account/sign-in")
      end
    end
  end

  context "when signed in as a support user" do
    let!(:lettings_log) do
      create(
        :lettings_log,
        assigned_to: user,
      )
    end
    let(:page) { Capybara::Node::Simple.new(response.body) }
    let(:managing_organisation) { create(:organisation) }
    let(:managing_organisation_too) { create(:organisation) }
    let(:stock_owner) { create(:organisation) }
    let(:support_user) { create(:user, :support) }

    before do
      organisation.stock_owners << stock_owner
      organisation.managing_agents << managing_organisation
      organisation.managing_agents << managing_organisation_too
      organisation.reload
      allow(support_user).to receive(:need_two_factor_authentication?).and_return(false)
      sign_in support_user
    end

    context "with invalid organisation answers" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "managing_organisation",
            managing_organisation_id: other_organisation.id,
          },
        }
      end

      before do
        lettings_log.update!(owning_organisation: stock_owner, assigned_to: user, managing_organisation: organisation)
        lettings_log.reload
      end

      it "resets assigned to and renders the next page" do
        post "/lettings-logs/#{lettings_log.id}/net-income", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/assigned-to")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.assigned_to).to eq(nil)
      end
    end

    context "with valid owning organisation" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "managing_organisation",
            managing_organisation_id: other_organisation.id,
          },
        }
      end

      before do
        lettings_log.update!(owning_organisation: organisation, assigned_to: user, managing_organisation: organisation)
        lettings_log.reload
      end

      it "does not reset assigned to" do
        post "/lettings-logs/#{lettings_log.id}/net-income", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/assigned-to")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.assigned_to).to eq(user)
      end
    end

    context "when owning organisation doesn't have any managing agents" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "stock_owner",
            owning_organisation_id: managing_organisation.id,
          },
        }
      end

      before do
        lettings_log.update!(owning_organisation: nil, assigned_to: nil, managing_organisation: nil)
        lettings_log.reload
      end

      it "sets managing organisation to owning organisation" do
        post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/assigned-to")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.owning_organisation).to eq(managing_organisation)
        expect(lettings_log.managing_organisation).to eq(managing_organisation)
      end
    end

    context "when submitting a sales log for organisation that doesn't have any managing agents" do
      let(:sales_log) { create(:sales_log) }
      let(:params) do
        {
          id: sales_log.id,
          sales_log: {
            page: "owning_organisation",
            owning_organisation_id: managing_organisation.id,
          },
        }
      end

      before do
        sales_log.update!(owning_organisation: nil, assigned_to: nil)
        sales_log.reload
      end

      it "correctly sets owning organisation" do
        post "/sales-logs/#{sales_log.id}/owning-organisation", params: params
        expect(response).to redirect_to("/sales-logs/#{sales_log.id}/assigned-to")
        follow_redirect!
        sales_log.reload
        expect(sales_log.owning_organisation).to eq(managing_organisation)
      end
    end

    context "when submitting a sales log with valid owning organisation" do
      let(:sales_log) { create(:sales_log) }
      let(:assigned_to) { managing_organisation.users.first }
      let(:params) do
        {
          id: sales_log.id,
          sales_log: {
            page: "owning_organisation",
            owning_organisation_id: managing_organisation.id,
          },
        }
      end

      before do
        sales_log.update!(owning_organisation: managing_organisation, assigned_to:)
        sales_log.reload
      end

      it "does not reset assigned to" do
        post "/sales-logs/#{sales_log.id}/owning-organisation", params: params
        expect(response).to redirect_to("/sales-logs/#{sales_log.id}/assigned-to")
        follow_redirect!
        sales_log.reload
        expect(sales_log.assigned_to).to eq(assigned_to)
      end
    end

    context "when submitting a sales log with valid merged owning organisation" do
      let(:sales_log) { create(:sales_log) }
      let(:assigned_to) { managing_organisation.users.first }
      let(:merged_organisation) { create(:organisation) }
      let(:params) do
        {
          id: sales_log.id,
          sales_log: {
            page: "owning_organisation",
            owning_organisation_id: merged_organisation.id,
          },
        }
      end

      before do
        merged_organisation.update!(merge_date: Time.zone.today, absorbing_organisation: managing_organisation)
        sales_log.update!(owning_organisation: managing_organisation, assigned_to:)
        sales_log.reload
      end

      it "does not reset assigned to" do
        post "/sales-logs/#{sales_log.id}/owning-organisation", params: params
        expect(response).to redirect_to("/sales-logs/#{sales_log.id}/assigned-to")
        follow_redirect!
        sales_log.reload
        expect(sales_log.assigned_to).to eq(assigned_to)
      end
    end

    context "with valid managing organisation" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "stock_owner",
            owning_organisation_id: stock_owner.id,
          },
        }
      end

      before do
        lettings_log.update!(owning_organisation: organisation, assigned_to: user, managing_organisation: organisation)
        lettings_log.reload
      end

      it "does not reset assigned to" do
        post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.assigned_to).to eq(user)
      end
    end

    context "with valid absorbed managing organisation" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "stock_owner",
            owning_organisation_id: stock_owner.id,
          },
        }
      end
      let(:merged_org) { create(:organisation) }

      before do
        merged_org.update!(merge_date: Time.zone.today, absorbing_organisation: organisation)
        lettings_log.update!(owning_organisation: merged_org, assigned_to: user, managing_organisation: merged_org)
        lettings_log.reload
      end

      it "does not reset assigned to" do
        post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.assigned_to).to eq(user)
      end
    end

    context "with only adding the stock owner" do
      let(:params) do
        {
          id: lettings_log.id,
          lettings_log: {
            page: "stock_owner",
            owning_organisation_id: stock_owner.id,
          },
        }
      end

      before do
        lettings_log.update!(owning_organisation: nil, assigned_to: user, managing_organisation: nil)
        lettings_log.reload
      end

      it "does not reset assigned to" do
        post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
        follow_redirect!
        lettings_log.reload
        expect(lettings_log.assigned_to).to eq(user)
      end
    end

    context "when the sale date changes from 2024 to 2023" do
      let(:sales_log) { create(:sales_log, owning_organisation: organisation, managing_organisation:, assigned_to: user) }
      let(:params) do
        {
          id: sales_log.id,
          sales_log: {
            page: "completion_date",
            "saledate(3i)" => 30,
            "saledate(2i)" => 6,
            "saledate(1i)" => 2023,
          },
        }
      end

      before do
        sales_log.saledate = Time.zone.local(2024, 12, 1)
        sales_log.save!(validate: false)
        sales_log.reload
      end

      it "does not set managing organisation to assigned to organisation" do
        post "/sales-logs/#{sales_log.id}/completion-date", params: params
        sales_log.reload
        expect(sales_log.owning_organisation).to eq(organisation)
        expect(sales_log.managing_organisation).to eq(managing_organisation)
      end
    end
  end

  context "when a user is signed in" do
    let!(:lettings_log) do
      create(
        :lettings_log,
        assigned_to: user,
      )
    end
    let!(:sales_log) do
      create(
        :sales_log,
        assigned_to: user,
      )
    end

    before do
      allow(user).to receive(:need_two_factor_authentication?).and_return(false)
      sign_in user
    end

    describe "GET" do
      around do |example|
        Timecop.freeze(Time.zone.local(2022, 5, 1)) do
          Singleton.__init__(FormHandler)
          example.run
        end
        Timecop.return
        Singleton.__init__(FormHandler)
      end

      context "with form pages" do
        context "when forms exist" do
          let(:lettings_log) { create(:lettings_log, :setup_completed, startdate: Time.zone.local(2022, 5, 1), owning_organisation: organisation, assigned_to: user) }

          it "displays the question details" do
            get "/lettings-logs/#{lettings_log.id}/tenant-code-test", headers: headers, params: {}

            expect(response).to be_ok
            expect(response.body).to match("Different question header text for this year - 2023")
          end
        end

        context "when question not routed to" do
          let(:lettings_log) { create(:lettings_log, :setup_completed, startdate: Time.zone.local(2022, 5, 1), owning_organisation: organisation, assigned_to: user) }

          it "redirects to log" do
            get "/lettings-logs/#{lettings_log.id}/scheme", headers: headers, params: {}

            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}")
          end
        end

        context "when lettings logs are not owned or managed by your organisation" do
          it "does not show form pages for lettings logs you don't have access to" do
            get "/lettings-logs/#{unauthorized_lettings_log.id}/person-1-age", headers: headers, params: {}
            expect(response).to have_http_status(:not_found)
          end
        end

        context "with a form page that has custom guidance" do
          it "displays the correct partial" do
            get "/lettings-logs/#{lettings_log.id}/net-income", headers: headers, params: {}
            expect(response.body).to match(I18n.t("forms.2021.lettings.guidance.what_counts_as_income.title"))
          end
        end

        context "when viewing the setup section schemes page" do
          context "when the user is support" do
            let(:user) { create(:user, :support) }

            context "when organisation and user have not been selected yet" do
              let(:lettings_log) do
                create(
                  :lettings_log,
                  owning_organisation: nil,
                  managing_organisation: nil,
                  assigned_to: nil,
                  needstype: 2,
                )
              end

              before do
                locations = create_list(:location, 5)
                locations.each { |location| location.scheme.update!(arrangement_type: "The same organisation that owns the housing stock") }
              end

              it "returns an unfiltered list of schemes" do
                get "/lettings-logs/#{lettings_log.id}/scheme", headers: headers, params: {}
                expect(response.body.scan("<option value=").count).to eq(6)
              end
            end
          end
        end
      end

      context "when displaying check answers pages" do
        context "when lettings logs are not owned or managed by your organisation" do
          it "does not show a check answers for lettings logs you don't have access to" do
            get "/lettings-logs/#{unauthorized_lettings_log.id}/household-characteristics/check-answers", headers: headers, params: {}
            expect(response).to have_http_status(:not_found)
          end
        end

        context "when no other sections are enabled" do
          let(:lettings_log_2022) do
            create(
              :lettings_log,
              startdate: Time.zone.local(2022, 12, 1),
              assigned_to: user,
            )
          end
          let(:headers) { { "Accept" => "text/html" } }

          before do
            Timecop.freeze(Time.zone.local(2022, 12, 1))
            get "/lettings-logs/#{lettings_log_2022.id}/setup/check-answers", headers:, params: {}
          end

          after do
            Timecop.unfreeze
          end

          it "does not show Save and go to next incomplete section button" do
            expect(page).not_to have_content("Save and go to next incomplete section")
          end
        end
      end

      context "with a question in a section that isn't enabled yet" do
        it "routes back to the tasklist page" do
          get "/lettings-logs/#{lettings_log.id}/declaration", headers: headers, params: {}
          expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}")
        end
      end

      context "with a question that isn't enabled yet" do
        it "routes back to the tasklist page" do
          get "/lettings-logs/#{lettings_log.id}/conditional-question-no-second-page", headers: headers, params: {}
          expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}")
        end
      end

      context "when visiting the review page" do
        it "renders the review page for the lettings log" do
          get "/lettings-logs/#{setup_complete_lettings_log.id}/review", headers: headers, params: {}
          expect(response.body).to match("Review lettings log")
        end

        it "renders the review page for the sales log" do
          Timecop.return # TODO: CLDC-3289 this can be removed when the Timecop freezing at the top of the describe GET is removed
          log = create(:sales_log, :completed, assigned_to: user)
          get "/sales-logs/#{log.id}/review", headers: headers, params: { sales_log: true }
          expect(response.body).to match("Review sales log")
        end

        context "when log is pending" do
          let(:pending_log) do
            create(
              :lettings_log,
              owning_organisation: organisation,
              assigned_to: user,
              status: "pending",
              skip_update_status: true,
            )
          end

          it "does not render pending log and returns 404" do
            get "/lettings-logs/#{pending_log.id}/review", headers: headers, params: {}
            expect(response).to be_not_found
          end
        end
      end

      context "when viewing a user dependent page" do
        context "when the dependency is met" do
          let(:user) { create(:user, :support) }

          it "routes to the page" do
            get "/lettings-logs/#{lettings_log.id}/assigned-to"
            expect(response).to have_http_status(:ok)
          end
        end

        context "when the dependency is not met" do
          it "redirects to the tasklist page" do
            get "/lettings-logs/#{lettings_log.id}/assigned-to"
            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}")
          end
        end
      end
    end

    describe "Submit Form" do
      context "with a form page" do
        let(:user) { create(:user, :data_coordinator) }
        let(:support_user) { FactoryBot.create(:user, :support) }
        let(:organisation) { user.organisation }
        let(:lettings_log) do
          create(
            :lettings_log,
            assigned_to: user,
          )
        end
        let(:page_id) { "person_1_age" }
        let(:params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: page_id,
              age1: answer,
            },
          }
        end
        let(:valid_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: page_id,
              age1: valid_answer,
            },
          }
        end

        context "with invalid answers" do
          let(:page) { Capybara::Node::Simple.new(response.body) }
          let(:answer) { 2000 }
          let(:valid_answer) { 20 }

          before do
            allow(Rails.logger).to receive(:info)
          end

          it "re-renders the same page with errors if validation fails" do
            post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: params
            expect(page).to have_content("There is a problem")
            expect(page).to have_content("Error: What is the tenant’s age?")
          end

          it "resets errors when fixed" do
            post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: params
            post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: valid_params
            get "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}"
            expect(page).not_to have_content("There is a problem")
          end

          it "logs that validation was triggered" do
            expect(Rails.logger).to receive(:info).with("User triggered validation(s) on: age1").once
            post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
          end

          context "when the number of days is too high for the month" do
            let(:page_id) { "tenancy_start_date" }
            let(:params) do
              {
                id: lettings_log.id,
                lettings_log: {
                  page: page_id,
                  "startdate(3i)" => 31,
                  "startdate(2i)" => 6,
                  "startdate(1i)" => 2022,
                },
              }
            end

            it "validates the date correctly" do
              post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: params
              expect(page).to have_content("There is a problem")
            end
          end

          context "when allow_future_form_use? is enabled" do
            before do
              allow(FeatureToggle).to receive(:allow_future_form_use?).and_return(true)
            end

            context "when the tenancy start date is out of the editable collection year" do
              let(:page_id) { "tenancy_start_date" }
              let(:params) do
                {
                  id: lettings_log.id,
                  lettings_log: {
                    page: page_id,
                    "startdate(3i)" => 1,
                    "startdate(2i)" => 1,
                    "startdate(1i)" => 1,
                  },
                }
              end

              it "redirects to the review page for the log" do
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: params
                follow_redirect!
                follow_redirect!
                follow_redirect!
                expect(page).to have_content("Review lettings log")
              end
            end

            context "when the sale date is out of the editable collection year" do
              let(:page_id) { "completion_date" }
              let(:params) do
                {
                  id: sales_log.id,
                  sales_log: {
                    page: page_id,
                    "saledate(3i)" => 1,
                    "saledate(2i)" => 1,
                    "saledate(1i)" => 1,
                  },
                }
              end

              it "redirects to the review page for the log" do
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params: params
                follow_redirect!
                follow_redirect!
                follow_redirect!
                expect(page).to have_content("Review sales log")
              end
            end
          end

          context "when allow_future_form_use? is disabled" do
            before do
              allow(FeatureToggle).to receive(:allow_future_form_use?).and_return(false)
            end

            context "when the tenancy start date is out of the editable collection year" do
              let(:page_id) { "tenancy_start_date" }
              let(:params) do
                {
                  id: lettings_log.id,
                  lettings_log: {
                    page: page_id,
                    "startdate(3i)" => 1,
                    "startdate(2i)" => 1,
                    "startdate(1i)" => 1,
                  },
                }
              end

              it "validates the date correctly" do
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: params
                expect(page).to have_content("There is a problem")
              end
            end

            context "when the sale date is out of the editable collection year" do
              let(:page_id) { "completion_date" }
              let(:params) do
                {
                  id: sales_log.id,
                  sales_log: {
                    page: page_id,
                    "saledate(3i)" => 1,
                    "saledate(2i)" => 1,
                    "saledate(1i)" => 1,
                  },
                }
              end

              it "validates the date correctly" do
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params: params
                expect(page).to have_content("There is a problem")
              end
            end
          end
        end

        context "with invalid organisation answers" do
          let(:page) { Capybara::Node::Simple.new(response.body) }
          let(:managing_organisation) { create(:organisation) }
          let(:managing_organisation_too) { create(:organisation) }
          let(:stock_owner) { create(:organisation) }
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "managing_organisation",
                managing_organisation_id: other_organisation.id,
              },
            }
          end

          before do
            Timecop.freeze(Time.zone.local(2023, 12, 1))
            organisation.stock_owners << stock_owner
            organisation.managing_agents << managing_organisation
            organisation.managing_agents << managing_organisation_too
            organisation.reload
            lettings_log.update!(owning_organisation: stock_owner, assigned_to: user, managing_organisation: organisation, startdate: Time.zone.local(2023, 5, 1))
            lettings_log.reload
          end

          after do
            Timecop.unfreeze
          end

          it "re-renders the same page with errors if validation fails" do
            post "/lettings-logs/#{lettings_log.id}/managing-organisation", params: params
            expect(page).to have_content("There is a problem")
            expect(page).to have_content("Error: Which organisation manages this letting?")
          end
        end

        context "with valid answers" do
          let(:answer) { 20 }
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: page_id,
                age1: answer,
                age2: 2000,
              },
            }
          end

          context "when the log will not be a duplicate" do
            before do
              post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
            end

            it "re-renders the same page with errors if validation fails" do
              expect(response).to have_http_status(:redirect)
            end

            it "only updates answers that apply to the page being submitted" do
              lettings_log.reload
              expect(lettings_log.age1).to eq(answer)
              expect(lettings_log.age2).to be nil
            end

            it "tracks who updated the record" do
              lettings_log.reload
              whodunnit_actor = lettings_log.versions.last.actor
              expect(whodunnit_actor).to be_a(User)
              expect(whodunnit_actor.id).to eq(user.id)
            end
          end

          context "when the answer makes the log a duplicate" do
            context "with one other log" do
              let(:new_duplicate) { create(:lettings_log) }

              before do
                allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.where(id: new_duplicate.id))
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
              end

              it "sets a new duplicate set id on both logs" do
                lettings_log.reload
                new_duplicate.reload
                expect(lettings_log.duplicate_set_id).not_to be_nil
                expect(lettings_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
              end

              it "redirects to the duplicate logs page" do
                expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}")
                follow_redirect!
                expect(page).to have_content("These logs are duplicates")
              end
            end

            context "with a set of other logs" do
              let(:duplicate_set_id) { 100 }
              let(:new_duplicates) { create_list(:lettings_log, 2, duplicate_set_id:) }

              before do
                allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.where(id: new_duplicates.pluck(:id)))
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
              end

              it "sets the logs duplicate set id to that of the set it is now part of" do
                lettings_log.reload
                expect(lettings_log.duplicate_set_id).to eql(duplicate_set_id)
                new_duplicates.each do |log|
                  log.reload
                  expect(log.duplicate_set_id).to eql(duplicate_set_id)
                end
              end

              it "redirects to the duplicate logs page" do
                expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}")
                follow_redirect!
                expect(page).to have_content("These logs are duplicates")
              end
            end

            context "when the log was previously in a different duplicate set" do
              context "with a single other log" do
                let(:old_duplicate_set_id) { 110 }
                let!(:old_duplicate) { create(:lettings_log, duplicate_set_id: old_duplicate_set_id) }
                let(:lettings_log) { create(:lettings_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }
                let(:new_duplicate) { create(:lettings_log) }

                before do
                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.where(id: new_duplicate.id))
                  post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
                end

                it "updates the relevant duplicate set ids" do
                  lettings_log.reload
                  old_duplicate.reload
                  new_duplicate.reload
                  expect(old_duplicate.duplicate_set_id).to be_nil
                  expect(lettings_log.duplicate_set_id).not_to be_nil
                  expect(lettings_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
                end
              end

              context "with multiple other logs" do
                let(:old_duplicate_set_id) { 120 }
                let!(:old_duplicates) { create_list(:lettings_log, 2, duplicate_set_id: old_duplicate_set_id) }
                let(:lettings_log) { create(:lettings_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }
                let(:new_duplicate) { create(:lettings_log) }

                before do
                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.where(id: new_duplicate.id))
                  post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
                end

                it "updates the relevant duplicate set ids" do
                  lettings_log.reload
                  new_duplicate.reload
                  old_duplicates.each do |log|
                    log.reload
                    expect(log.duplicate_set_id).to eql(old_duplicate_set_id)
                  end
                  expect(lettings_log.duplicate_set_id).not_to be_nil
                  expect(lettings_log.duplicate_set_id).not_to eql(old_duplicate_set_id)
                  expect(lettings_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
                end
              end
            end
          end

          context "when the answer makes the log stop being a duplicate" do
            context "when the log had one duplicate" do
              let(:old_duplicate_set_id) { 130 }
              let!(:old_duplicate) { create(:lettings_log, duplicate_set_id: old_duplicate_set_id) }
              let(:lettings_log) { create(:lettings_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }

              before do
                allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
              end

              it "updates the relevant duplicate set ids" do
                lettings_log.reload
                old_duplicate.reload
                expect(old_duplicate.duplicate_set_id).to be_nil
                expect(lettings_log.duplicate_set_id).to be_nil
              end
            end

            context "when the log had multiple duplicates" do
              let(:old_duplicate_set_id) { 140 }
              let!(:old_duplicates) { create_list(:lettings_log, 2, duplicate_set_id: old_duplicate_set_id) }
              let(:lettings_log) { create(:lettings_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }

              before do
                allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params:
              end

              it "updates the relevant duplicate set ids" do
                lettings_log.reload
                old_duplicates.each do |log|
                  log.reload
                  expect(log.duplicate_set_id).to eql(old_duplicate_set_id)
                end
                expect(lettings_log.duplicate_set_id).to be_nil
              end
            end
          end
        end

        context "with valid sales answers" do
          let(:sales_log) do
            create(
              :sales_log,
              assigned_to: user,
            )
          end
          let(:params) do
            {
              id: sales_log.id,
              sales_log: {
                page: "buyer-1-age",
                age1: 20,
              },
            }
          end
          let(:page_id) { "buyer_1_age" }

          context "when the answer makes the log a duplicate" do
            context "with one other log" do
              let(:new_duplicate) { create(:sales_log) }

              before do
                allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.where(id: new_duplicate.id))
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
              end

              it "sets a new duplicate set id on both logs" do
                sales_log.reload
                new_duplicate.reload
                expect(sales_log.duplicate_set_id).not_to be_nil
                expect(sales_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
              end

              it "redirects to the duplicate logs page" do
                expect(response).to redirect_to("/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}")
                follow_redirect!
                expect(page).to have_content("These logs are duplicates")
              end
            end

            context "with a set of other logs" do
              let(:duplicate_set_id) { 100 }
              let(:new_duplicates) { create_list(:sales_log, 2, duplicate_set_id:) }

              before do
                allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.where(id: new_duplicates.pluck(:id)))
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
              end

              it "sets the logs duplicate set id to that of the set it is now part of" do
                sales_log.reload
                expect(sales_log.duplicate_set_id).to eql(duplicate_set_id)
                new_duplicates.each do |log|
                  log.reload
                  expect(log.duplicate_set_id).to eql(duplicate_set_id)
                end
              end

              it "redirects to the duplicate logs page" do
                expect(response).to redirect_to("/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}")
                follow_redirect!
                expect(page).to have_content("These logs are duplicates")
              end
            end

            context "when the log was previously in a different duplicate set" do
              context "with a single other log" do
                let(:old_duplicate_set_id) { 110 }
                let!(:old_duplicate) { create(:sales_log, duplicate_set_id: old_duplicate_set_id) }
                let(:sales_log) { create(:sales_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }
                let(:new_duplicate) { create(:sales_log) }

                before do
                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.where(id: new_duplicate.id))
                  post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
                end

                it "updates the relevant duplicate set ids" do
                  sales_log.reload
                  old_duplicate.reload
                  new_duplicate.reload
                  expect(old_duplicate.duplicate_set_id).to be_nil
                  expect(sales_log.duplicate_set_id).not_to be_nil
                  expect(sales_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
                end
              end

              context "with multiple other logs" do
                let(:old_duplicate_set_id) { 120 }
                let!(:old_duplicates) { create_list(:sales_log, 2, duplicate_set_id: old_duplicate_set_id) }
                let(:sales_log) { create(:sales_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }
                let(:new_duplicate) { create(:sales_log) }

                before do
                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.where(id: new_duplicate.id))
                  post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
                end

                it "updates the relevant duplicate set ids" do
                  sales_log.reload
                  new_duplicate.reload
                  old_duplicates.each do |log|
                    log.reload
                    expect(log.duplicate_set_id).to eql(old_duplicate_set_id)
                  end
                  expect(sales_log.duplicate_set_id).not_to be_nil
                  expect(sales_log.duplicate_set_id).not_to eql(old_duplicate_set_id)
                  expect(sales_log.duplicate_set_id).to eql(new_duplicate.duplicate_set_id)
                end
              end
            end
          end

          context "when the answer makes the log stop being a duplicate" do
            context "when the log had one duplicate" do
              let(:old_duplicate_set_id) { 130 }
              let!(:old_duplicate) { create(:sales_log, duplicate_set_id: old_duplicate_set_id) }
              let(:sales_log) { create(:sales_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }

              before do
                allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
              end

              it "updates the relevant duplicate set ids" do
                sales_log.reload
                old_duplicate.reload
                expect(old_duplicate.duplicate_set_id).to be_nil
                expect(sales_log.duplicate_set_id).to be_nil
              end
            end

            context "when the log had multiple duplicates" do
              let(:old_duplicate_set_id) { 140 }
              let!(:old_duplicates) { create_list(:sales_log, 2, duplicate_set_id: old_duplicate_set_id) }
              let(:sales_log) { create(:sales_log, assigned_to: user, duplicate_set_id: old_duplicate_set_id) }

              before do
                allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
                post "/sales-logs/#{sales_log.id}/#{page_id.dasherize}", params:
              end

              it "updates the relevant duplicate set ids" do
                sales_log.reload
                old_duplicates.each do |log|
                  log.reload
                  expect(log.duplicate_set_id).to eql(old_duplicate_set_id)
                end
                expect(sales_log.duplicate_set_id).to be_nil
              end
            end
          end
        end

        context "when the question has a conditional question" do
          context "and the conditional question is not enabled" do
            context "but is applicable because it has an inferred check answers display value" do
              let(:page_id) { "property_postcode" }
              let(:valid_params) do
                {
                  id: lettings_log.id,
                  lettings_log: {
                    page: page_id,
                    postcode_known: "0",
                    postcode_full: "",
                  },
                }
              end

              before do
                lettings_log.update!(postcode_known: 1, postcode_full: "NW1 8RR")
                post "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}", params: valid_params
              end

              it "does not require you to answer that question" do
                expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/do-you-know-the-local-authority")
              end
            end
          end
        end

        context "when the question was accessed from an interruption screen (soft validation)" do
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "lead_tenant_age",
                age1: 20,
                interruption_page_id: "age_lead_tenant_over_retirement_value_check",
              },
            }
          end

          before do
            lettings_log.update!(startdate: Time.zone.today)
            post "/lettings-logs/#{lettings_log.id}/lead-tenant-age?referrer=interruption_screen", params:
          end

          it "redirects back to the soft validation page" do
            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/age-lead-tenant-over-retirement-value-check")
          end

          it "displays a success banner" do
            follow_redirect!
            follow_redirect!

            expect(response.body).to include("You have successfully updated Q31: lead tenant’s age")
          end
        end

        context "when the question was accessed from an interruption screen and it has no check answers" do
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "person_1_gender",
                sex1: "F",
                interruption_page_id: "retirement_value_check",
              },
            }
          end

          before do
            post "/lettings-logs/#{lettings_log.id}/lead-tenant-gender-identity?referrer=interruption_screen", params:
          end

          it "displays a success banner without crashing" do
            follow_redirect!
            follow_redirect!
            expect(response.body).to include("You have successfully updated")
          end
        end

        context "when requesting a soft validation page for validation that isn't triggering" do
          before do
            get "/lettings-logs/#{lettings_log.id}/retirement-value-check", headers: headers.merge({ "HTTP_REFERER" => referrer })
          end

          context "when the referrer header has interruption_screen" do
            let(:referrer) { "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}?referrer=interruption_screen" }

            it "routes to the soft validation page" do
              expect(response.body).to include("Make sure these answers are correct:")
            end
          end

          context "when the referrer header does not have interruption screen" do
            let(:referrer) { "/lettings-logs/#{lettings_log.id}/#{page_id.dasherize}" }

            it "skips the soft validation page" do
              follow_redirect!
              expect(response.body).not_to include("Make sure these answers are correct:")
            end
          end
        end

        context "when requesting a soft validation page without a http referrer header" do
          before do
            get "/lettings-logs/#{lettings_log.id}/#{page_path}?referrer=interruption_screen", headers:
          end

          context "when the page is routed to" do
            let(:page_path) { page_id.dasherize }

            it "directs to the question page" do
              expect(response.body).to include("What is the tenant’s age?")
              expect(response.body).to include("Skip for now")
            end
          end

          context "when the page is not routed to" do
            let(:page_path) { "person-2-working-situation" }

            it "redirects to the log page" do
              follow_redirect!
              expect(response.body).to include("Before you start")
              expect(response.body).not_to include("Skip for now")
            end
          end
        end

        context "when owning organisation is an organisation merged into user organisation" do
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "stock_owner",
                owning_organisation_id: merged_org.id,
              },
            }
          end
          let(:merged_org) { create(:organisation) }

          before do
            lettings_log.update!(owning_organisation: nil)
            lettings_log.reload
            merged_org.update!(merge_date: Time.zone.today, absorbing_organisation: organisation)
            create(:organisation_relationship, parent_organisation: organisation)
          end

          it "sets managing organisation to owning organisation" do
            post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
            follow_redirect!
            lettings_log.reload
            expect(lettings_log.managing_organisation).to eq(merged_org)
          end
        end

        context "when owning organisation changes from merged organisation to absorbing user organisation" do
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "stock_owner",
                owning_organisation_id: organisation.id,
              },
            }
          end
          let(:merged_org) { create(:organisation) }

          before do
            merged_org.update!(merge_date: Time.zone.today, absorbing_organisation: organisation)
            organisation.reload
            lettings_log.update!(owning_organisation: merged_org, managing_organisation: merged_org, assigned_to: user)
            lettings_log.reload
          end

          it "sets managing organisation to owning organisation" do
            post "/lettings-logs/#{lettings_log.id}/stock-owner", params: params
            follow_redirect!
            lettings_log.reload
            expect(lettings_log.owning_organisation).to eq(organisation)
            expect(lettings_log.managing_organisation).to eq(organisation)
          end
        end

        context "when the sale date changes from 2024 to 2023" do
          let(:sales_log) { create(:sales_log, owning_organisation: organisation, managing_organisation:, assigned_to: user) }
          let(:params) do
            {
              id: sales_log.id,
              sales_log: {
                page: "completion_date",
                "saledate(3i)" => 30,
                "saledate(2i)" => 6,
                "saledate(1i)" => 2023,
              },
            }
          end
          let(:managing_organisation) { create(:organisation) }

          before do
            organisation.managing_agents << managing_organisation
            organisation.reload
            sales_log.saledate = Time.zone.local(2024, 5, 1)
            sales_log.save!(validate: false)
            sales_log.reload
            Timecop.freeze(Time.zone.local(2024, 5, 1))
            Singleton.__init__(FormHandler)
          end

          after do
            Timecop.unfreeze
            Singleton.__init__(FormHandler)
          end

          it "sets managing organisation to assigned to organisation" do
            post "/sales-logs/#{sales_log.id}/completion-date", params: params
            sales_log.reload
            expect(sales_log.owning_organisation).to eq(organisation)
            expect(sales_log.managing_organisation).to eq(organisation)
          end
        end

        context "when the sale date changes from 2024 to a different date in 2024" do
          let(:sales_log) { create(:sales_log, owning_organisation: organisation, managing_organisation:, assigned_to: user) }
          let(:params) do
            {
              id: sales_log.id,
              sales_log: {
                page: "completion_date",
                "saledate(3i)" => 30,
                "saledate(2i)" => 6,
                "saledate(1i)" => 2024,
              },
            }
          end
          let(:managing_organisation) { create(:organisation) }

          before do
            Timecop.freeze(Time.zone.local(2024, 12, 1))
            Singleton.__init__(FormHandler)
            organisation.managing_agents << managing_organisation
            organisation.reload
            sales_log.update!(saledate: Time.zone.local(2024, 12, 1))
            sales_log.reload
          end

          after do
            Timecop.return
            Singleton.__init__(FormHandler)
          end

          it "does not set managing organisation to assigned to organisation" do
            post "/sales-logs/#{sales_log.id}/completion-date", params: params
            sales_log.reload
            expect(sales_log.owning_organisation).to eq(organisation)
            expect(sales_log.managing_organisation).to eq(managing_organisation)
          end
        end

        context "when the question was accessed from a duplicate logs screen" do
          let(:lettings_log) { create(:lettings_log, :duplicate, assigned_to: user, duplicate_set_id: 1) }
          let(:duplicate_log) { create(:lettings_log, :duplicate, assigned_to: user, duplicate_set_id: 1) }
          let(:referrer) { "/lettings-logs/#{lettings_log.id}/lead-tenant-age?referrer=duplicate_logs&first_remaining_duplicate_id=#{duplicate_log.id}&original_log_id=#{lettings_log.id}" }
          let(:params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "lead_tenant_age",
                age1: 20,
                age1_known: 1,
              },
            }
          end

          context "and the answer changes" do
            before do
              post "/lettings-logs/#{lettings_log.id}/lead-tenant-age", params:, headers: headers.merge({ "HTTP_REFERER" => referrer })
            end

            it "redirects back to the duplicates page for remaining duplicates" do
              expect(response).to redirect_to("/lettings-logs/#{duplicate_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}")
              expect(lettings_log.duplicates.count).to eq(0)
              expect(duplicate_log.duplicates.count).to eq(0)
            end
          end

          context "and updating the answer creates a different set of duplicates" do
            let!(:another_duplicate_log) { create(:lettings_log, :duplicate, assigned_to: user, age1_known: 1, age1: 20) }

            before do
              post "/lettings-logs/#{lettings_log.id}/lead-tenant-age", params:, headers: headers.merge({ "HTTP_REFERER" => referrer })
            end

            it "correctly assigs duplicate set IDs" do
              expect(lettings_log.reload.duplicates.count).to eq(1)
              expect(lettings_log.duplicate_set_id).to eq(another_duplicate_log.reload.duplicate_set_id)
              expect(duplicate_log.reload.duplicates.count).to eq(0)
            end
          end

          context "and the answer didn't change" do
            let(:params) do
              {
                id: lettings_log.id,
                lettings_log: {
                  page: "lead_tenant_age",
                  age1: lettings_log.age1,
                  age1_known: lettings_log.age1_known,
                },
              }
            end

            before do
              post "/lettings-logs/#{lettings_log.id}/lead-tenant-age", params:, headers: headers.merge({ "HTTP_REFERER" => referrer })
            end

            it "redirects back to the duplicates page for remaining duplicates" do
              expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}")
              expect(lettings_log.duplicates.count).to eq(1)
              expect(duplicate_log.duplicates.count).to eq(1)
            end
          end
        end

        context "when the sales question was accessed from a duplicate logs screen" do
          let!(:sales_log) { create(:sales_log, :duplicate, :saledate_today, assigned_to: user, duplicate_set_id: 1) }
          let!(:duplicate_log) { create(:sales_log, :duplicate, :saledate_today, assigned_to: user, duplicate_set_id: 1) }
          let(:referrer) { "/sales-logs/#{sales_log.id}/buyer-1-age?referrer=duplicate_logs&first_remaining_duplicate_id=#{duplicate_log.id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs" }
          let(:params) do
            {
              id: sales_log.id,
              sales_log: {
                page: "buyer_1_age",
                age1: 29,
                age1_known: 1,
              },
            }
          end

          before do
            post "/sales-logs/#{sales_log.id}/buyer-1-age", params:, headers: headers.merge({ "HTTP_REFERER" => referrer })
          end

          it "redirects back to the duplicates page for remaining duplicates" do
            expect(response).to redirect_to("/sales-logs/#{duplicate_log.id}/duplicate-logs?original_log_id=#{sales_log.id}")
            sales_log.reload
            duplicate_log.reload
            expect(sales_log.duplicates.count).to eq(0)
            expect(duplicate_log.duplicates.count).to eq(0)
          end

          context "and the answer didn't change" do
            let(:params) do
              {
                id: sales_log.id,
                sales_log: {
                  page: "buyer_1_age",
                  age1: sales_log.age1,
                  age1_known: sales_log.age1_known,
                },
              }
            end

            it "redirects back to the duplicates page for remaining duplicates" do
              expect(response).to redirect_to("/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}")
              expect(sales_log.duplicates.count).to eq(1)
              expect(duplicate_log.duplicates.count).to eq(1)
            end
          end
        end
      end

      context "with checkbox questions" do
        let(:lettings_log_form_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "accessibility_requirements",
              accessibility_requirements:
                                     %w[housingneeds_b],
            },
          }
        end

        let(:new_lettings_log_form_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "accessibility_requirements",
              accessibility_requirements: %w[housingneeds_c],
            },
          }
        end

        it "sets checked items to true" do
          post "/lettings-logs/#{lettings_log.id}/accessibility-requirements", params: lettings_log_form_params
          lettings_log.reload

          expect(lettings_log.housingneeds_b).to eq(1)
        end

        it "sets previously submitted items to false when resubmitted with new values" do
          post "/lettings-logs/#{lettings_log.id}/accessibility-requirements", params: new_lettings_log_form_params
          lettings_log.reload

          expect(lettings_log.housingneeds_b).to eq(0)
          expect(lettings_log.housingneeds_c).to eq(1)
        end

        context "with a page having checkbox and non-checkbox questions" do
          let(:tenant_code) { "BZ355" }
          let(:lettings_log_form_params) do
            {
              id: lettings_log.id,
              lettings_log: {
                page: "accessibility_requirements",
                accessibility_requirements:
                                       %w[ housingneeds_a
                                           housingneeds_f],
                tenancycode: tenant_code,
              },
            }
          end
          let(:questions_for_page) do
            [
              Form::Question.new(
                "accessibility_requirements",
                {
                  "type" => "checkbox",
                  "answer_options" =>
                  { "housingneeds_a" => "Fully wheelchair accessible housing",
                    "housingneeds_b" => "Wheelchair access to essential rooms",
                    "housingneeds_c" => "Level access housing",
                    "housingneeds_f" => "Other disability requirements",
                    "housingneeds_g" => "No disability requirements",
                    "divider_a" => true,
                    "housingneeds_h" => "Don’t know" },
                }, page
              ),
              Form::Question.new("tenancycode", { "type" => "text" }, nil),
            ]
          end
          let(:page) { lettings_log.form.get_page("accessibility_requirements") }

          it "updates both question fields" do
            allow(page).to receive(:questions).and_return(questions_for_page)
            post "/lettings-logs/#{lettings_log.id}/#{page.id.dasherize}", params: lettings_log_form_params
            lettings_log.reload

            expect(lettings_log.housingneeds_a).to eq(1)
            expect(lettings_log.housingneeds_f).to eq(1)
            expect(lettings_log.tenancycode).to eq(tenant_code)
          end
        end
      end

      context "with conditional routing" do
        let(:validator) { lettings_log._validators[nil].first }
        let(:lettings_log_form_conditional_question_yes_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "conditional_question",
              preg_occ: 1,
            },
          }
        end
        let(:lettings_log_form_conditional_question_no_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "conditional_question",
              preg_occ: 2,
            },
          }
        end
        let(:lettings_log_form_conditional_question_wchair_yes_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "property_wheelchair_accessible",
              wchair: 1,
            },
          }
        end

        it "routes to the appropriate conditional page based on the question answer of the current page" do
          post "/lettings-logs/#{lettings_log.id}/property-wheelchair-accessible", params: lettings_log_form_conditional_question_yes_params
          expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/conditional-question-yes-page")

          post "/lettings-logs/#{lettings_log.id}/property-wheelchair-accessible", params: lettings_log_form_conditional_question_no_params
          expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/conditional-question-no-page")
        end

        it "routes to the page if at least one of the condition sets is met" do
          post "/lettings-logs/#{lettings_log.id}/property-wheelchair-accessible", params: lettings_log_form_conditional_question_wchair_yes_params
          post "/lettings-logs/#{lettings_log.id}/property-wheelchair-accessible", params: lettings_log_form_conditional_question_no_params
          expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/conditional-question-yes-page")
        end
      end

      context "when coming from check answers page" do
        let(:sales_log) { create(:sales_log, ownershipsch: 3, assigned_to: user) }
        let(:lettings_log_referrer) { "/lettings-logs/#{lettings_log.id}/needs-type?referrer=check_answers" }
        let(:sales_log_referrer) { "/sales-logs/#{sales_log.id}/ownership-scheme?referrer=check_answers" }

        let(:sales_log_form_ownership_params) do
          {
            id: sales_log.id,
            sales_log: {
              page: "ownership_scheme",
              ownershipsch: 1,
            },
          }
        end
        let(:sales_log_form_shared_ownership_type_params) do
          {
            id: sales_log.id,
            unanswered_pages: "joint_purchase",
            sales_log: {
              page: "shared_ownership_type",
              type: 2,
            },
          }
        end
        let(:lettings_log_form_needs_type_params) do
          {
            id: lettings_log.id,
            lettings_log: {
              page: "needs_type",
              needstype: 2,
            },
          }
        end

        context "and changing an answer" do
          it "navigates to follow-up questions when required" do
            post "/lettings-logs/#{lettings_log.id}/needs-type", params: lettings_log_form_needs_type_params, headers: headers.merge({ "HTTP_REFERER" => lettings_log_referrer })
            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/scheme?referrer=check_answers")
          end

          it "queues up additional follow-up questions if needed" do
            post "/sales-logs/#{sales_log.id}/shared-ownership-type", params: sales_log_form_ownership_params, headers: headers.merge({ "HTTP_REFERER" => sales_log_referrer })
            expect(response).to redirect_to("/sales-logs/#{sales_log.id}/shared-ownership-type?referrer=check_answers&unanswered_pages=joint_purchase")
          end

          it "moves to a queued up follow-up questions if one was provided" do
            post "/sales-logs/#{sales_log.id}/shared-ownership-type", params: sales_log_form_ownership_params, headers: headers.merge({ "HTTP_REFERER" => sales_log_referrer })
            post "/sales-logs/#{sales_log.id}/ownership-scheme", params: sales_log_form_shared_ownership_type_params, headers: headers.merge({ "HTTP_REFERER" => sales_log_referrer })
            expect(response).to redirect_to("/sales-logs/#{sales_log.id}/joint-purchase?referrer=check_answers")
          end
        end

        context "and navigating to an interruption screen" do
          let(:interrupt_params) do
            {
              id: completed_lettings_log.id,
              lettings_log: {
                page: "net_income_value_check",
                net_income_value_check: value,
              },
            }
          end
          let(:referrer) { "/lettings-logs/#{completed_lettings_log.id}/net-income-value-check?referrer=check_answers" }

          around do |example|
            Timecop.freeze(Time.zone.local(2022, 1, 1)) do
              Singleton.__init__(FormHandler)
              example.run
            end
            Timecop.return
            Singleton.__init__(FormHandler)
          end

          before do
            completed_lettings_log.update!(ecstat1: 1, earnings: 130, hhmemb: 1) # we're not routing to that page, so it gets cleared?
            allow(completed_lettings_log).to receive(:net_income_soft_validation_triggered?).and_return(true)
            allow(completed_lettings_log.form).to receive(:new_logs_end_date).and_return(Time.zone.today + 1.day)
            allow(completed_lettings_log.form).to receive(:edit_end_date).and_return(Time.zone.today + 2.months)
            post "/lettings-logs/#{completed_lettings_log.id}/net-income-value-check", params: interrupt_params, headers: headers.merge({ "HTTP_REFERER" => referrer })
          end

          context "when yes is answered" do
            let(:value) { 0 }

            it "redirects back to check answers if 'yes' is selected" do
              expect(response).to redirect_to("/lettings-logs/#{completed_lettings_log.id}/income-and-benefits/check-answers")
            end
          end

          context "when no is answered" do
            let(:value) { 1 }

            it "redirects to the previous question if 'no' is selected" do
              expect(response).to redirect_to("/lettings-logs/#{completed_lettings_log.id}/net-income?referrer=check_answers")
            end
          end
        end
      end

      context "with lettings logs that are not owned or managed by your organisation" do
        let(:answer) { 25 }
        let(:other_user) { create(:user) }
        let(:unauthorized_lettings_log) do
          create(
            :lettings_log,
            assigned_to: other_user,
          )
        end

        before do
          post "/lettings-logs/#{unauthorized_lettings_log.id}/net-income", params: {}
        end

        it "does not let you post form answers to lettings logs you don't have access to" do
          expect(response).to have_http_status(:not_found)
        end
      end
    end
  end
end