describe Zone do
  let(:now) { Time.zone.parse("2022-08-11") }
  before do
    Timecop.freeze(now)
  end

  after do
    Timecop.return
  end

  describe '#label' do
    let(:start_previous_government) { Date.parse('2020-07-06') }
    let(:start_last_government) { Date.parse('2022-05-20') }
    let(:zone) do
      create(:zone, labels: [
        {
          designated_on: start_previous_government,
          name: "Ministère de l'Économie, des Finances et de la Relance"
        },
        {
          designated_on: start_last_government,
          name: "Ministère de l'Économie, des Finances et de la Souveraineté industrielle et numérique"
        }
      ])
    end

    it 'returns label for the current millesime' do
      expect(zone.label).to eq "Ministère de l'Économie, des Finances et de la Souveraineté industrielle et numérique"
    end

    it 'returns label at specific date' do
      expect(zone.label_at(start_previous_government + 1.week)).to eq "Ministère de l'Économie, des Finances et de la Relance"
      expect(zone.label_at(start_last_government + 1.week)).to eq "Ministère de l'Économie, des Finances et de la Souveraineté industrielle et numérique"
      expect(zone.label_at(start_previous_government - 1.week)).to eq "Ministère de l'Économie, des Finances et de la Relance"
    end
  end

  describe "#available_at?" do
    let(:start_previous_government) { Date.parse('2020-07-06') }
    let(:start_last_government) { Date.parse('2022-05-20') }
    let(:start_futur_government) { Date.parse('2027-05-20') }
    let(:zone) do
      create(:zone, labels: [
        {
          designated_on: start_previous_government,
          name: "Ministère des Outre-mer"
        },
        {
          designated_on: start_last_government,
          name: "NA"
        },
        {
          designated_on: start_futur_government,
          name: "Ministère des Territoires d'Outre-mer"
        }
      ])
    end

    it "returns false if the zone does'nt exist at a specific date" do
      expect(zone.available_at?(start_last_government + 1.week)).to be_falsy
    end

    it "returns true if the zone exist at a specific date" do
      expect(zone.available_at?(start_futur_government + 1.week)).to be_truthy
      expect(zone.available_at?(start_previous_government + 1.week)).to be_truthy
    end
  end

  describe "#self.available_at?" do
    let(:start_previous_government) { Date.parse('2020-07-06') }
    let(:start_last_government) { Date.parse('2022-05-20') }
    let(:start_futur_government) { Date.parse('2027-05-20') }
    let(:om) do
      create(:zone, labels: [
        {
          designated_on: start_previous_government,
          name: "Ministère des Outre-mer"
        },
        {
          designated_on: start_last_government,
          name: "NA"
        },
        {
          designated_on: start_futur_government,
          name: "Ministère des Territoires d'Outre-mer"
        }
      ])
    end

    let!(:culture) do
      create(:zone, labels: [
        {
          designated_on: start_previous_government,
          name: "Ministère de la Culture"
        }
      ])
    end

    let!(:om) do
      create(:zone, labels: [
        {
          designated_on: start_previous_government,
          name: "Ministère des Outre-mer"
        },
        {
          designated_on: start_last_government,
          name: "NA"
        },
        {
          designated_on: start_futur_government,
          name: "Ministère des Territoires d'Outre-mer"
        }
      ])
    end

    it 'returns only available zones at specific date' do
      expect(Zone.available_at(start_last_government + 1.day)).to eq [culture]
      expect(Zone.available_at(start_previous_government + 1.day)).to eq [culture, om]
    end
  end
end