describe Administrateurs::AttestationTemplateV2sController, type: :controller do
  let(:admin) { administrateurs(:default_admin) }
  let(:attestation_template) { build(:attestation_template, :v2) }
  let(:procedure) { create(:procedure, :published, administrateur: admin, attestation_template:, libelle: "Ma démarche") }
  let(:logo) { fixture_file_upload('spec/fixtures/files/white.png', 'image/png') }
  let(:signature) { fixture_file_upload('spec/fixtures/files/black.png', 'image/png') }

  let(:update_params) do
    {
      official_layout: true,
      label_logo: "Ministère des specs",
      label_direction: "RSPEC",
      footer: "en bas",
      activated: true,
      tiptap_body: {
        type: :doc,
        content: [
          {
            type: :paragraph,
            content: [{ text: "Yo from spec", type: :text }]
          }
        ]
      }.to_json
    }
  end

  before do
    sign_in(admin.user)
    Flipper.enable(:attestation_v2)
  end

  describe 'GET #show' do
    subject do
      get :show, params: { procedure_id: procedure.id, format: }
      response.body
    end

    context 'html' do
      let(:format) { :html }
      render_views

      context 'with preview dossier' do
        let!(:dossier) { create(:dossier, :en_construction, procedure:, for_procedure_preview: true) }

        it do
          is_expected.to include("Mon titre pour Ma démarche")
          is_expected.to include("n° #{dossier.id}")
        end
      end

      context 'without preview dossier' do
        it do
          is_expected.to include("Mon titre pour --dossier_procedure_libelle--")
        end
      end

      context 'with logo label' do
        it do
          is_expected.to include("Ministère des devs")
          is_expected.to match(/centered_marianne-\w+\.svg/)
        end
      end

      context 'with label direction' do
        let(:attestation_template) { build(:attestation_template, :v2, label_direction: "calé à droite") }

        it do
          is_expected.to include("calé à droite")
        end
      end

      context 'with footer' do
        let(:attestation_template) { build(:attestation_template, :v2, footer: "c'est le pied") }

        it do
          is_expected.to include("c'est le pied")
        end
      end

      context 'with additional logo' do
        let(:attestation_template) { build(:attestation_template, :v2, logo:) }

        it do
          is_expected.to include("Ministère des devs")
          is_expected.to include("white.png")
        end
      end

      context 'with signature' do
        let(:attestation_template) { build(:attestation_template, :v2, signature:) }

        it do
          is_expected.to include("black.png")
        end
      end
    end

    context 'pdf' do
      render_views
      let(:format) { :pdf }
      let(:attestation_template) { build(:attestation_template, :v2, signature:) }
      let(:dossier) { create(:dossier, :en_construction, procedure:, for_procedure_preview: true) }

      before do
        html_content = /Ministère des devs.+Mon titre pour Ma démarche.+n° #{dossier.id}/m
        context = { procedure_id: procedure.id }

        allow(WeasyprintService).to receive(:generate_pdf).with(a_string_matching(html_content), hash_including(context)).and_return('PDF_DATA')
      end

      it do
        is_expected.to eq('PDF_DATA')
      end
    end
  end

  describe 'GET edit' do
    render_views
    let(:attestation_template) { nil }

    subject do
      get :edit, params: { procedure_id: procedure.id }
      response.body
    end

    context 'if an attestation template does not exists yet on the procedure' do
      it 'creates new v2 attestation template' do
        subject
        expect(assigns(:attestation_template).version).to eq(2)
        expect(assigns(:attestation_template)).to be_draft
        expect(response.body).to have_button("Publier")
        expect(response.body).not_to have_link("Réinitialiser les modifications")
      end
    end

    context 'if an attestation template already exist on v1' do
      let(:attestation_template) { build(:attestation_template, version: 1) }

      it 'build new v2 attestation template' do
        subject
        expect(assigns(:attestation_template).version).to eq(2)
        expect(assigns(:attestation_template)).to be_draft
        expect(attestation_template.reload).to be_present
      end

      context 'on a draft procedure' do
        let(:procedure) { create(:procedure, :draft, administrateur: admin, attestation_template:, libelle: "Ma démarche") }

        it 'build v2 as draft' do
          subject
          expect(assigns(:attestation_template).version).to eq(2)
          expect(assigns(:attestation_template)).to be_draft
          expect(attestation_template.reload).to be_present
        end
      end
    end

    context 'attestation template published exist without draft' do
      let(:attestation_template) { build(:attestation_template, :v2, :published) }

      it 'mention publication' do
        subject
        expect(assigns(:attestation_template)).to eq(attestation_template)
        expect(response.body).not_to have_link("Réinitialiser les modifications")
        expect(response.body).not_to have_button("Publier les modifications")
      end
    end

    context 'attestation template draft already exist on v2' do
      let(:attestation_template) { build(:attestation_template, :v2, :draft) }

      it 'assigns this draft' do
        subject
        expect(assigns(:attestation_template)).to eq(attestation_template)
        expect(response.body).not_to have_link("Réinitialiser les modifications")
        expect(response.body).to have_button("Publier")
      end

      context 'and a published template also exists' do
        before { create(:attestation_template, :v2, :published, procedure:) }

        it 'mention publication' do
          subject
          expect(assigns(:attestation_template)).to eq(attestation_template)
          expect(response.body).to have_link("Réinitialiser les modifications")
          expect(response.body).to have_button("Publier les modifications")
        end
      end
    end

    context 'when procedure is draft' do
      let(:procedure) { create(:procedure, :draft, administrateur: admin, attestation_template:, libelle: "Ma démarche") }

      it 'built template is already live (published)' do
        subject
        expect(assigns(:attestation_template).version).to eq(2)
        expect(assigns(:attestation_template)).to be_published
        expect(response.body).not_to have_button(/Publier/)
      end
    end
  end

  describe 'POST create' do
    let(:attestation_template) { nil }

    subject do
      post :create, params: { procedure_id: procedure.id, attestation_template: update_params }, format: :turbo_stream
      response.body
    end

    context 'when attestation template is valid' do
      render_views

      it "create template" do
        subject
        attestation_template = procedure.reload.attestation_templates.first

        expect(attestation_template).to be_draft
        expect(attestation_template.official_layout).to eq(true)
        expect(attestation_template.label_logo).to eq("Ministère des specs")
        expect(attestation_template.label_direction).to eq("RSPEC")
        expect(attestation_template.footer).to eq("en bas")
        expect(attestation_template.activated).to eq(true)
        expect(attestation_template.tiptap_body).to eq(update_params[:tiptap_body])

        expect(response.body).to include("Attestation enregistrée")
      end

      context "with files" do
        let(:update_params) { super().merge(logo:, signature:) }

        it "upload files" do
          subject
          attestation_template = procedure.reload.attestation_templates.first

          expect(attestation_template.logo.download).to eq(logo.read)
          expect(attestation_template.signature.download).to eq(signature.read)
        end
      end
    end
  end

  describe 'PATCH update' do
    render_views
    subject do
      patch :update, params: { procedure_id: procedure.id, attestation_template: update_params }, format: :turbo_stream
      response.body
    end

    context 'when attestation template is valid' do
      it "create a draft template" do
        expect { subject }.to change { procedure.attestation_templates.count }.by(1)

        # published remains inchanged
        expect(attestation_template.reload).to be_published
        expect(attestation_template.label_logo).to eq("Ministère des devs")

        attestation_template = procedure.attestation_templates.draft.first

        expect(attestation_template).to be_draft
        expect(attestation_template.official_layout).to eq(true)
        expect(attestation_template.label_logo).to eq("Ministère des specs")
        expect(attestation_template.label_direction).to eq("RSPEC")
        expect(attestation_template.footer).to eq("en bas")
        expect(attestation_template.activated).to eq(true)
        expect(attestation_template.tiptap_body).to eq(update_params[:tiptap_body])

        expect(response.body).to include("Attestation enregistrée")
        expect(response.body).to include("Publier")
      end

      context "with files" do
        let(:update_params) { super().merge(logo:, signature:) }

        it "upload files" do
          subject

          attestation_template = procedure.attestation_templates.draft.first

          expect(attestation_template.logo.download).to eq(logo.read)
          expect(attestation_template.signature.download).to eq(signature.read)
        end
      end

      context 'with error' do
        let(:update_params) do
          super().merge(tiptap_body: { type: :doc, content: [{ type: :mention, attrs: { id: "tdc12", label: "oops" } }] }.to_json)
        end

        it "renders error" do
          subject
          expect(response.body).to include("Attestation en erreur")
          expect(response.body).to include('Supprimer la balise')
        end
      end

      context "publishing a draft" do
        let(:attestation_template) { build(:attestation_template, :draft, :v2) }
        let(:update_params) { super().merge(state: :published) }

        it "publish and redirect with notice" do
          subject
          expect(attestation_template.reload).to be_published
          expect(flash.notice).to eq("L’attestation a été publiée.")
        end
      end
    end

    context 'toggle activation' do
      let(:update_params) { super().merge(activated: false) }

      it 'toggle attribute of current published attestation' do
        subject
        expect(procedure.attestation_templates.v2.count).to eq(1)
        expect(procedure.attestation_templates.v2.first.activated?).to eq(false)
        expect(flash.notice).to be_nil
      end

      context 'when there is a draft' do
        before {
          create(:attestation_template, :v2, :draft, procedure:)
        }

        it 'toggle attribute of both draft & published v2 attestations' do
          subject
          expect(procedure.attestation_templates.v2.count).to eq(2)
          expect(procedure.attestation_templates.v2.all?(&:activated?)).to eq(false)
        end
      end
    end
  end

  describe 'POST reset' do
    render_views

    before {
      create(:attestation_template, :v2, :draft, procedure:)
    }

    subject do
      patch :reset, params: { procedure_id: procedure.id }
      response.body
    end

    it "delete draft, keep published" do
      expect(procedure.attestation_templates.count).to eq(2)
      expect(subject).to redirect_to(edit_admin_procedure_attestation_template_v2_path(procedure))
      expect(flash.notice).to include("réinitialisées")
      expect(procedure.attestation_templates.count).to eq(1)
      expect(procedure.attestation_templates.first).to eq(attestation_template)
    end
  end
end