require "rails_helper"

RSpec.describe Form, type: :model do
  form_handler = FormHandler.instance
  let(:form) { form_handler.get_form("test_form") }
  let(:case_log) { FactoryBot.build(:case_log, :in_progress) }

  describe ".next_page" do
    let(:previous_page) { "person_1_age" }
    it "returns the next page given the previous" do
      expect(form.next_page(previous_page, case_log)).to eq("person_1_gender")
    end
  end

  describe ".first_page_for_subsection" do
    let(:subsection) { "household_characteristics" }
    it "returns the first page given  a subsection" do
      expect(form.first_page_for_subsection(subsection)).to eq("tenant_code")
    end
  end

  describe ".questions_for_subsection" do
    let(:subsection) { "income_and_benefits" }
    it "returns all questions for subsection" do
      result = form.questions_for_subsection(subsection)
      expect(result.length).to eq(4)
      expect(result.keys).to eq(%w[earnings incfreq benefits hb])
    end
  end

  describe "next_page_redirect_path" do
    let(:previous_page) { "net_income" }
    let(:last_previous_page) { "housing_benefit" }
    let(:previous_conditional_page) { "conditional_question" }

    it "returns a correct page path if there is no conditional routing" do
      expect(form.next_page_redirect_path(previous_page, case_log)).to eq("case_log_net_income_uc_proportion_path")
    end

    it "returns a check answers page if previous page is the last page" do
      expect(form.next_page_redirect_path(last_previous_page, case_log)).to eq("case_log_income_and_benefits_check_answers_path")
    end

    it "returns a correct page path if there is conditional routing" do
      case_log["preg_occ"] = "No"
      expect(form.next_page_redirect_path(previous_conditional_page, case_log)).to eq("case_log_conditional_question_no_page_path")
    end
  end
end