require "rails_helper"

RSpec.describe TasklistHelper do
  let(:empty_case_log) { FactoryBot.build(:case_log) }
  let(:case_log) { FactoryBot.build(:case_log, :in_progress) }
  let(:completed_case_log) { FactoryBot.build(:case_log, :completed) }
  form_handler = FormHandler.instance
  let(:form) { form_handler.get_form("test_form") }
  let(:household_characteristics_questions) { form.questions_for_subsection("household_characteristics") }

  describe "get subsection status" do
    let(:section) { "income_and_benefits" }
    let(:income_and_benefits_questions) { form.questions_for_subsection("income_and_benefits") }
    let(:declaration_questions) { form.questions_for_subsection("declaration") }
    let(:local_authority_questions) { form.questions_for_subsection("local_authority") }

    it "returns not started if none of the questions in the subsection are answered" do
      status = get_subsection_status("income_and_benefits", case_log, form, income_and_benefits_questions)
      expect(status).to eq(:not_started)
    end

    it "returns cannot start yet if the subsection is declaration" do
      status = get_subsection_status("declaration", case_log, form, declaration_questions)
      expect(status).to eq(:cannot_start_yet)
    end

    it "returns in progress if some of the questions have been answered" do
      case_log["previous_postcode"] = "P0 5TT"
      status = get_subsection_status("local_authority", case_log, form, local_authority_questions)
      expect(status).to eq(:in_progress)
    end

    it "returns completed if all the questions in the subsection have been answered" do
      case_log["earnings"] = "value"
      case_log["incfreq"] = "Weekly"
      case_log["benefits"] = "All"
      case_log["hb"] = "Do not know"

      status = get_subsection_status("income_and_benefits", case_log, form, income_and_benefits_questions)
      expect(status).to eq(:completed)
    end

    it "returns not started if the subsection is declaration and all the questions are completed" do
      status = get_subsection_status("declaration", completed_case_log, form, declaration_questions)
      expect(status).to eq(:not_started)
    end

    let(:conditional_section_complete_case_log) { FactoryBot.build(:case_log, :conditional_section_complete) }
    it "sets the correct status for sections with conditional questions" do
      status = get_subsection_status(
        "household_characteristics", conditional_section_complete_case_log, form, household_characteristics_questions
      )
      expect(status).to eq(:completed)
    end
  end

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

    it "returns the first subsection name if it is partially completed" do
      case_log["tenant_code"] = 123
      expect(get_next_incomplete_section(form, case_log)).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(form, empty_case_log)).to eq(9)
    end

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

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

    it "returns the number of sections in progress" do
      expect(get_subsections_count(form, case_log, :in_progress)).to eq(2)
    end

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

  describe "get_first_page_or_check_answers" do
    it "returns the check answers page path if the section has been started already" do
      expect(get_first_page_or_check_answers("household_characteristics", case_log, form, household_characteristics_questions)).to match(/check_answers/)
    end

    it "returns the first question page path for the section if it has not been started yet" do
      expect(get_first_page_or_check_answers("household_characteristics", empty_case_log, form, household_characteristics_questions)).to match(/tenant_code/)
    end
  end
end