require "rails_helper"

RSpec.describe TasklistHelper do
  describe "with lettings" do
    let(:empty_lettings_log) { FactoryBot.create(:lettings_log) }
    let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, needstype: 1) }
    let(:fake_2021_2022_form) { Form.new("spec/fixtures/forms/2021_2022.json") }

    context "with 2021 2022 form" do
      before do
        allow(FormHandler.instance).to receive(:current_lettings_form).and_return(fake_2021_2022_form)
      end

      describe "get next incomplete section" do
        it "returns the first subsection name if it is not completed" do
          expect(get_next_incomplete_section(lettings_log).id).to eq("household_characteristics")
        end

        it "returns the first subsection name if it is partially completed" do
          lettings_log["tenancycode"] = 123
          expect(get_next_incomplete_section(lettings_log).id).to eq("household_characteristics")
        end
      end

      describe "get sections count" do
        it "returns the total of sections if no status is given" do
          expect(get_subsections_count(empty_lettings_log)).to eq(8)
        end

        it "returns 0 sections for completed sections if no sections are completed" do
          expect(get_subsections_count(empty_lettings_log, :completed)).to eq(0)
        end

        it "returns the number of not started sections" do
          expect(get_subsections_count(empty_lettings_log, :not_started)).to eq(8)
        end

        it "returns the number of sections in progress" do
          expect(get_subsections_count(lettings_log, :in_progress)).to eq(3)
        end

        it "returns 0 for invalid state" do
          expect(get_subsections_count(lettings_log, :fake)).to eq(0)
        end
      end

      describe "get_next_page_or_check_answers" do
        let(:subsection) { lettings_log.form.get_subsection("household_characteristics") }
        let(:user) { FactoryBot.build(:user) }

        it "returns the check answers page path if the section has been started already" do
          expect(next_page_or_check_answers(subsection, lettings_log, user)).to match(/check-answers/)
        end

        it "returns the first question page path for the section if it has not been started yet" do
          expect(next_page_or_check_answers(subsection, empty_lettings_log, user)).to match(/tenant-code-test/)
        end

        it "when first question being not routed to returns the next routed question link" do
          empty_lettings_log.housingneeds_a = "No"
          expect(next_page_or_check_answers(subsection, empty_lettings_log, user)).to match(/person-1-gender/)
        end
      end

      describe "subsection link" do
        let(:subsection) { lettings_log.form.get_subsection("household_characteristics") }
        let(:user) { FactoryBot.build(:user) }

        context "with a subsection that's enabled" do
          it "returns the subsection link url" do
            expect(subsection_link(subsection, lettings_log, user)).to match(/household-characteristics/)
          end
        end

        context "with a subsection that cannot be started yet" do
          before do
            allow(subsection).to receive(:status).with(lettings_log).and_return(:cannot_start_yet)
          end

          it "returns the label instead of a link" do
            expect(subsection_link(subsection, lettings_log, user)).to match(subsection.label)
          end
        end
      end
    end
  end

  describe "#review_log_text" do
    around do |example|
      Timecop.freeze(now) do
        Singleton.__init__(FormHandler)
        example.run
      end
      Singleton.__init__(FormHandler)
    end

    context "with lettings log" do
      context "when collection_period_open? == true" do
        context "with 2023 deadline" do
          let(:now) { Time.utc(2022, 6, 1) }
          let(:lettings_log) { create(:lettings_log, :completed) }

          it "returns relevant text" do
            expect(review_log_text(lettings_log)).to eq(
              "You can #{govuk_link_to 'review and make changes to this log', review_lettings_log_path(lettings_log)} until 1 July 2023.".html_safe,
            )
          end
        end

        context "with 2024 deadline" do
          let(:now) { Time.utc(2023, 6, 20) }
          let(:lettings_log) { create(:lettings_log, :completed, national: 18, waityear: 2) }

          it "returns relevant text" do
            expect(review_log_text(lettings_log)).to eq(
              "You can #{govuk_link_to 'review and make changes to this log', review_lettings_log_path(lettings_log)} until 1 July 2024.".html_safe,
            )
          end
        end
      end

      context "when collection_period_open? == false" do
        let(:now) { Time.utc(2023, 7, 8) }
        let(:lettings_log) { create(:lettings_log, :completed, startdate: Time.utc(2023, 2, 8)) }

        it "returns relevant text" do
          expect(review_log_text(lettings_log)).to eq("This log is from the 2022/2023 collection window, which is now closed.")
        end
      end
    end

    context "with sales log" do
      context "when collection_period_open? == true" do
        let(:now) { Time.utc(2022, 6, 1) }
        let(:sales_log) { create(:sales_log, :completed) }

        it "returns relevant text" do
          expect(review_log_text(sales_log)).to eq(
            "You can #{govuk_link_to 'review and make changes to this log', review_lettings_log_path(sales_log)} until 1 July 2023.".html_safe,
          )
        end
      end

      context "when collection_period_open? == false" do
        let(:now) { Time.utc(2023, 7, 8) }
        let(:sales_log) { create(:sales_log, :completed, saledate: Time.utc(2023, 2, 8)) }

        it "returns relevant text" do
          expect(review_log_text(sales_log)).to eq("This log is from the 2022/2023 collection window, which is now closed.")
        end
      end
    end
  end
end