describe Admin::AttestationTemplatesController, type: :controller do
  let!(:attestation_template) { create(:attestation_template) }
  let(:admin) { create(:administrateur) }
  let!(:procedure) { create :procedure, administrateur: admin, attestation_template: attestation_template }
  let(:logo) { fixture_file_upload('spec/fixtures/white.png', 'image/png') }
  let(:signature) { fixture_file_upload('spec/fixtures/black.png', 'image/png') }

  before do
    sign_in admin
    Timecop.freeze(Time.now)
  end

  describe 'GET #show' do
    before { get :show, params: { procedure_id: procedure.id, format: :pdf } }

    it { expect(subject.status).to eq(200) }
    it { expect(assigns[:title]).to eq(attestation_template.title) }
    it { expect(assigns[:logo].read).to eq(attestation_template.logo.read) }
    it { expect(assigns[:body]).to eq(attestation_template.body) }
    it { expect(assigns[:signature].read).to eq(attestation_template.signature.read) }
    it { expect(assigns[:footer]).to eq(attestation_template.footer) }
    it { expect(assigns[:created_at]).to eq(DateTime.now) }
  end

  describe 'POST #preview' do
    let(:upload_params) { { title: 't', body: 'b', footer: 'f' } }

    before do
      post :preview,
        params: { procedure_id: procedure.id,
                  attestation_template: upload_params }
    end

    context 'if an attestation template does not exist on the procedure' do
      let(:attestation_template) { nil }
      it { expect(subject.status).to eq(200) }
      it { expect(assigns).to include(upload_params.stringify_keys) }
    end

    context 'if an attestation template exists on the procedure' do
      context 'with logos' do
        let!(:attestation_template) do
          create(:attestation_template, logo: logo, signature: signature)
        end

        it { expect(subject.status).to eq(200) }
        it { expect(assigns).to include(upload_params.stringify_keys) }
        it { expect(assigns[:created_at]).to eq(DateTime.now) }
        it { expect(assigns(:logo).read).to eq(logo.read) }
        it { expect(assigns(:signature).read).to eq(signature.read) }
        after { procedure.attestation_template.destroy }
      end
    end
  end

  describe 'GET #edit' do
    before { get :edit, params: { procedure_id: procedure.id } }

    context 'if an attestation template exists on the procedure' do
      it { expect(subject.status).to eq(200) }
      it { expect(assigns(:attestation_template)).to eq(attestation_template) }
    end

    context 'if an attestation template does not exist on the procedure' do
      let(:attestation_template) { nil }
      it { expect(subject.status).to eq(200) }
      it { expect(assigns(:attestation_template).id).to be_nil }
      it { expect(assigns(:attestation_template)).to be_an_instance_of(AttestationTemplate) }
    end
  end

  describe 'POST #create' do
    let(:attestation_template) { nil }
    let(:attestation_params) { { title: 't', body: 'b', footer: 'f' } }

    context 'nominal' do
      before do
        post :create,
          params: { procedure_id: procedure.id,
                    attestation_template: attestation_params.merge(logo: logo, signature: signature) }
        procedure.reload
      end

      it { expect(procedure.attestation_template).to have_attributes(attestation_params) }
      it { expect(procedure.attestation_template.activated).to be true }
      it { expect(procedure.attestation_template.logo.read).to eq(logo.read) }
      it { expect(procedure.attestation_template.signature.read).to eq(signature.read) }
      it { expect(response).to redirect_to edit_admin_procedure_attestation_template_path(procedure) }
      it { expect(flash.notice).to eq("L'attestation a bien été sauvegardée") }

      after { procedure.attestation_template.destroy }
    end

    context 'when something wrong happens in the attestation template creation' do
      before do
        expect_any_instance_of(AttestationTemplate).to receive(:save)
          .and_return(false)
        expect_any_instance_of(AttestationTemplate).to receive(:errors)
          .and_return(double(full_messages: ['nop']))

        post :create,
          params: { procedure_id: procedure.id,
                    attestation_template: attestation_params }
        procedure.reload
      end

      it { expect(response).to redirect_to edit_admin_procedure_attestation_template_path(procedure) }
      it { expect(flash.alert).to eq('nop') }
    end
  end

  describe 'PATCH #update' do
    let(:attestation_params) { { title: 't', body: 'b', footer: 'f' } }
    let(:attestation_params_with_images) { attestation_params.merge(logo: logo, signature: signature) }

    context 'nominal' do
      before do
        patch :update,
          params: { procedure_id: procedure.id,
                    attestation_template: attestation_params_with_images }
        procedure.reload
      end

      it { expect(procedure.attestation_template).to have_attributes(attestation_params) }
      it { expect(procedure.attestation_template.logo.read).to eq(logo.read) }
      it { expect(procedure.attestation_template.signature.read).to eq(signature.read) }
      it { expect(response).to redirect_to edit_admin_procedure_attestation_template_path(procedure) }
      it { expect(flash.notice).to eq("L'attestation a bien été modifiée") }

      after { procedure.attestation_template.destroy }
    end

    context 'when something wrong happens in the attestation template creation' do
      before do
        expect_any_instance_of(AttestationTemplate).to receive(:update_attributes).and_return(false)
        expect_any_instance_of(AttestationTemplate).to receive(:errors)
          .and_return(double(full_messages: ['nop']))

        patch :update,
          params: { procedure_id: procedure.id,
                    attestation_template: attestation_params_with_images }
        procedure.reload
      end

      it { expect(response).to redirect_to edit_admin_procedure_attestation_template_path(procedure) }
      it { expect(flash.alert).to eq('nop') }
    end
  end

  describe 'post #disactivate' do
    context 'when the attestation_template is activated' do
      let(:attestation_template) { create(:attestation_template, activated: true) }

      before do
        post :disactivate, params: { procedure_id: procedure.id }
        attestation_template.reload
      end

      it { expect(attestation_template.activated).to be false }
      it { expect(flash.notice).to eq("L'attestation a bien été désactivée") }
    end
  end
end