describe Logic::ChampValue do
  include Logic

  describe '#compute' do
    subject { champ_value(champ.stable_id).compute([champ]) }

    context 'yes_no tdc' do
      let(:value) { 'true' }
      let(:champ) { create(:champ_yes_no, value: value) }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:boolean) }

      context 'with true value' do
        it { is_expected.to be(true) }
      end

      context 'with false value' do
        let(:value) { 'false' }

        it { is_expected.to be(false) }
      end

      context 'with a value not visible' do
        before do
          expect(champ).to receive(:visible?).and_return(false)
        end

        it { is_expected.to be nil }
      end
    end

    context 'integer tdc' do
      let(:champ) { create(:champ_integer_number, value: '42') }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:number) }
      it { is_expected.to eq(42) }

      context 'with a blank value' do
        let(:champ) { create(:champ_integer_number, value: '') }

        it { is_expected.to be nil }
      end

      context 'with invalid value' do
        before { champ.value = 'environ 300' }

        it { is_expected.to be nil }
      end
    end

    context 'decimal tdc' do
      let(:champ) { create(:champ_decimal_number, value: '42.01') }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:number) }
      it { is_expected.to eq(42.01) }

      context 'with invalid value' do
        before { champ.value = 'racine de 2' }

        it { is_expected.to be nil }
      end
    end

    context 'dropdown tdc' do
      let(:champ) { create(:champ_drop_down_list, value: 'val1') }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:enum) }
      it { is_expected.to eq('val1') }
      it { expect(champ_value(champ.stable_id).options([champ.type_de_champ])).to match_array([["val1", "val1"], ["val2", "val2"], ["val3", "val3"]]) }

      context 'with other enabled' do
        let(:champ) { create(:champ_drop_down_list, value: 'val1', other: true) }

        it { is_expected.to eq('val1') }
        it { expect(champ_value(champ.stable_id).options([champ.type_de_champ])).to match_array([["val1", "val1"], ["val2", "val2"], ["val3", "val3"], ["Autre", "__other__"]]) }
      end

      context 'with other filled' do
        let(:champ) { create(:champ_drop_down_list, value: 'other value', other: true) }

        it { is_expected.to eq(Champs::DropDownListChamp::OTHER) }
      end
    end

    context 'checkbox tdc' do
      let(:champ) { create(:champ_checkbox, value: 'true') }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:boolean) }
      it { is_expected.to eq(true) }
    end

    context 'departement tdc' do
      let(:champ) { create(:champ_departements, value: '02') }

      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:departement_enum) }
      it { is_expected.to eq({ value: '02', code_region: '32' }) }
    end

    context 'region tdc' do
      let(:champ) { create(:champ_regions, value: 'La Réunion') }

      it { is_expected.to eq('04') }
    end

    context 'commune tdc' do
      let(:champ) { create(:champ_communes, code_postal: '92500', external_id: '92063') }

      it { is_expected.to eq({ code_departement: '92', code_region: '11' }) }
    end

    context 'epci tdc' do
      let(:champ) { build(:champ_epci, code_departement: '43') }

      before do
        champ.save!
        champ.update_columns(external_id: '244301016', value: 'CC des Sucs')
      end

      it { is_expected.to eq({ code_departement: '43', code_region: '84' }) }
    end

    describe 'errors' do
      let(:champ) { create(:champ) }

      it { expect(champ_value(champ.stable_id).errors([champ.type_de_champ])).to be_empty }
      it { expect(champ_value(champ.stable_id).errors([])).to eq([{ type: :not_available }]) }
    end

    describe '#sources' do
      let(:champ) { create(:champ) }

      it { expect(champ_value(champ.stable_id).sources).to eq([champ.stable_id]) }
    end

    context 'with multiple revision' do
      let(:options) { ['revision_1'] }
      let(:procedure) do
        create(:procedure, :published, :for_individual, types_de_champ_public: [{ type: :drop_down_list, libelle: 'dropdown', options: options }])
      end
      let(:drop_down_r1) { procedure.published_revision.types_de_champ_public.first }
      let(:stable_id) { drop_down_r1.stable_id }

      it { expect(champ_value(stable_id).options([drop_down_r1])).to match_array([["revision_1", "revision_1"]]) }

      context 'with a new revision' do
        let(:drop_down_r2) { procedure.draft_revision.types_de_champ_public.first }

        before do
          tdc = procedure.draft_revision.find_and_ensure_exclusive_use(stable_id)
          tdc.drop_down_options = ['revision_2']
          tdc.save!
        end

        it do
          expect(champ_value(stable_id).options([drop_down_r2])).to match_array([["revision_2", "revision_2"]])
        end
      end
    end
  end
end