describe Champs::SiretController, type: :controller do
  let(:user) { create(:user) }
  let(:procedure) do
    tdc_siret = build(:type_de_champ_siret, procedure: nil)
    create(:procedure, :published, types_de_champ: [tdc_siret])
  end

  describe '#show' do
    let(:dossier) { create(:dossier, user: user, procedure: procedure) }
    let(:champ) { dossier.champs.first }

    let(:params) do
      {
        champ_id: champ.id,
        dossier: {
          champs_attributes: {
            '1' => { value: siret.to_s }
          }
        },
        position: '1'
      }
    end
    let(:siret) { '' }

    context 'when the user is signed in' do
      render_views
      let(:api_etablissement_status) { 200 }
      let(:api_etablissement_body) { File.read('spec/fixtures/files/api_entreprise/etablissements.json') }
      let(:token_expired) { false }

      before do
        sign_in user
        stub_request(:get, /https:\/\/entreprise.api.gouv.fr\/v2\/etablissements\/#{siret}/)
          .to_return(status: api_etablissement_status, body: api_etablissement_body)
        allow_any_instance_of(APIEntrepriseToken).to receive(:roles)
          .and_return(["attestations_fiscales", "attestations_sociales", "bilans_entreprise_bdf"])
        allow_any_instance_of(APIEntrepriseToken).to receive(:expired?).and_return(token_expired)
      end

      context 'when the SIRET is empty' do
        subject! { get :show, params: params, format: :js, xhr: true }

        it 'clears the etablissement and SIRET on the model' do
          champ.reload
          expect(champ.etablissement).to be_nil
          expect(champ.value).to be_empty
        end

        it 'clears any information or error message' do
          expect(response.body).to include('.siret-info-1')
          expect(response.body).to include('innerHTML = ""')
        end
      end

      context 'when the SIRET is invalid' do
        let(:siret) { '1234' }

        subject! { get :show, params: params, format: :js, xhr: true }

        it 'clears the etablissement and SIRET on the model' do
          champ.reload
          expect(champ.etablissement).to be_nil
          expect(champ.value).to be_empty
        end

        it 'displays a “SIRET is invalid” error message' do
          expect(response.body).to include('Le numéro de SIRET doit comporter exactement 14 chiffres.')
        end
      end

      context 'when the API is unavailable' do
        let(:siret) { '82161143100015' }
        let(:api_etablissement_status) { 503 }

        subject! { get :show, params: params, format: :js, xhr: true }

        it 'clears the etablissement and SIRET on the model' do
          champ.reload
          expect(champ.etablissement).to be_nil
          expect(champ.value).to be_empty
        end

        it 'displays a “API is unavailable” error message' do
          expect(response.body).to include('Désolé, la récupération des informations SIRET est temporairement indisponible. Veuillez réessayer dans quelques instants.')
        end
      end

      context 'when the SIRET is valid but unknown' do
        let(:siret) { '00000000000000' }
        let(:api_etablissement_status) { 404 }

        subject! { get :show, params: params, format: :js, xhr: true }

        it 'clears the etablissement and SIRET on the model' do
          champ.reload
          expect(champ.etablissement).to be_nil
          expect(champ.value).to be_empty
        end

        it 'displays a “SIRET not found” error message' do
          expect(response.body).to include('Nous n’avons pas trouvé d’établissement correspondant à ce numéro de SIRET.')
        end
      end

      context 'when the SIRET informations are retrieved successfully' do
        let(:siret) { '41816609600051' }
        let(:api_etablissement_status) { 200 }
        let(:api_etablissement_body) { File.read('spec/fixtures/files/api_entreprise/etablissements.json') }

        subject! { get :show, params: params, format: :js, xhr: true }

        it 'populates the etablissement and SIRET on the model' do
          champ.reload
          expect(champ.value).to eq(siret)
          expect(champ.etablissement.siret).to eq(siret)
          expect(champ.etablissement.naf).to eq("6202A")
          expect(dossier.reload.etablissement).to eq(nil)
        end
      end
    end

    context 'when user is not signed in' do
      subject! { get :show, params: { position: '1' }, format: :js, xhr: true }

      it { expect(response.code).to eq('401') }
    end
  end
end