require 'rails_helper'

RSpec.describe Services::RsAuthsController, type: :controller do
  let(:user) { create :user }

  before do
    allow_any_instance_of(AppCatalog::WebApp).to receive(:update_metadata).and_return(true)
    allow_any_instance_of(RemoteStorageAuthorization).to receive(:remove_token_expiry_job).and_return(nil)
    allow_any_instance_of(LdapService).to receive(:fetch_users).and_return([
      { services_enabled: ["remotestorage"] }
    ])
  end

  describe "GET /services/storage/apps/:client_id/launch (storage-first)" do
    context "when user is signed in" do
      before do
        sign_in user
      end

      context "authorization exists" do
        before do
          @auth = user.remote_storage_authorizations.create!(
            permissions: %w(documents), client_id: "app.example.com",
            redirect_uri: "https://app.example.com",
            expire_at: 2.days.from_now
          )

          get :launch_app, params: { client_id: @auth.client_id }
        end

        after do
          @auth.destroy
        end

        it "hands the app the user address in the URL fragment" do
          launch_url = "https://app.example.com#remotestorage=#{user.address}"
          expect(response).to redirect_to(launch_url)
        end

        it "does not hand over an access token" do
          expect(response.location).not_to include("access_token")
        end
      end

      context "when remoteStorage is not enabled for the user" do
        before do
          allow_any_instance_of(LdapService).to receive(:fetch_users).and_return([
            { services_enabled: [] }
          ])

          get :launch_app, params: { client_id: "app.example.com" }
        end

        it "responds with forbidden" do
          expect(response).to have_http_status(:forbidden)
        end
      end
    end
  end

  describe "GET /services/storage/apps/:client_id/launch for an unknown app" do
    before { sign_in user }

    it "returns 404 instead of raising" do
      get :launch_app, params: { client_id: "nonexistent.example.com" }

      expect(response).to have_http_status(:not_found)
    end
  end

  describe "DELETE /services/storage/rs_auths/:id" do
    context "when user is signed in" do
      before { sign_in user }

      it "revokes the authorization" do
        auth = user.remote_storage_authorizations.create!(
          permissions: %w(documents), client_id: "app.example.com",
          redirect_uri: "https://app.example.com", expire_at: 2.days.from_now
        )

        expect {
          delete :destroy, params: { id: auth.id }
        }.to change(RemoteStorageAuthorization, :count).by(-1)

        expect(response).to redirect_to(apps_services_storage_url)
      end

      it "returns 404 for an unknown authorization" do
        delete :destroy, params: { id: 0 }

        expect(response).to have_http_status(:not_found)
      end

      it "returns 404 for another user's authorization" do
        other = create :user, id: 99, cn: "otheruser", email: "other@example.com"
        auth = other.remote_storage_authorizations.create!(
          permissions: %w(documents), client_id: "app.example.com",
          redirect_uri: "https://app.example.com"
        )

        delete :destroy, params: { id: auth.id }

        expect(response).to have_http_status(:not_found)
        expect(RemoteStorageAuthorization.exists?(auth.id)).to be(true)
      end

      context "when another device remains connected to the app" do
        let!(:revoked) do
          user.remote_storage_authorizations.create!(
            permissions: %w(documents), client_id: "app.example.com",
            redirect_uri: "https://app.example.com", expire_at: 2.days.from_now
          )
        end

        let!(:remaining) do
          user.remote_storage_authorizations.create!(
            permissions: %w(documents photos), client_id: "app.example.com",
            redirect_uri: "https://app.example.com", expire_at: 2.days.from_now
          )
        end

        after do
          revoked.destroy
          remaining.destroy
        end

        it "streams the removed device row and the refreshed card and access list" do
          delete :destroy, params: { id: revoked.id }, format: :turbo_stream

          expect(response.media_type).to eq("text/vnd.turbo-stream.html")
          expect(response.body).to include(
            %(action="remove" target="#{ActionView::RecordIdentifier.dom_id(revoked, :device)}")
          )
          expect(response.body).to include(
            %(action="replace" target="#{controller.helpers.rs_app_dom_id('app.example.com', :card)}")
          )
          expect(response.body).to include(
            %(action="replace" target="#{controller.helpers.rs_app_dom_id('app.example.com', :access)}")
          )
        end

        it "leaves the other device connected" do
          delete :destroy, params: { id: revoked.id }, format: :turbo_stream

          expect(RemoteStorageAuthorization.exists?(remaining.id)).to be(true)
        end
      end

      context "when the app's last device is revoked" do
        it "redirects so that the dashboard re-renders itself" do
          auth = user.remote_storage_authorizations.create!(
            permissions: %w(documents), client_id: "app.example.com",
            redirect_uri: "https://app.example.com", expire_at: 2.days.from_now
          )

          delete :destroy, params: { id: auth.id }, format: :turbo_stream

          expect(response).to redirect_to(apps_services_storage_url)
          expect(flash[:success]).to eq("App authorization revoked")
        end
      end
    end
  end
end