require "rails_helper"

RSpec.describe Form::Sales::Questions::HousingBenefits, type: :model do
  subject(:question) { described_class.new(question_id, question_definition, page, joint_purchase:) }

  let(:question_id) { nil }
  let(:question_definition) { nil }
  let(:page) { instance_double(Form::Page) }
  let(:subsection) { instance_double(Form::Subsection) }
  let(:form) { instance_double(Form) }
  let(:joint_purchase) { false }

  before do
    allow(form).to receive(:start_year_2026_or_later?).and_return(true)
    allow(form).to receive(:start_date).and_return(Time.zone.local(2023, 4, 1))
    allow(page).to receive(:subsection).and_return(subsection)
    allow(subsection).to receive(:form).and_return(form)
  end

  it "has correct page" do
    expect(question.page).to eq(page)
  end

  it "has the correct id" do
    expect(question.id).to eq("hb")
  end

  it "has the correct type" do
    expect(question.type).to eq("radio")
  end

  it "is not marked as derived" do
    expect(question.derived?(nil)).to be false
  end

  context "when in 2025", { year: 25 } do
    before do
      allow(form).to receive(:start_year_2026_or_later?).and_return(false)
    end

    it "does not have a check_answers_card_title" do
      expect(question.check_answers_card_title).to be_nil
    end
  end

  context "when in 2026", { year: 26 } do
    before do
      allow(form).to receive(:start_year_2026_or_later?).and_return(true)
    end

    it "has check_answers_card_title set to 'All buyers'" do
      expect(question.check_answers_card_title).to eq("All buyers")
    end
  end

  it "has the correct answer_options" do
    expect(question.answer_options).to eq({
      "2" => { "value" => "Housing benefit" },
      "3" => { "value" => "Universal Credit housing element" },
      "divider" => { "value" => true },
      "1" => { "value" => "Neither housing benefit or Universal Credit housing element" },
      "4" => { "value" => "Don’t know " },
    })
  end
end