// See the License for the specific language governing permissions and
// limitations under the License.

package compare

import (
	"bytes"
	"fmt"

	"github.com/pmezard/go-difflib/difflib"

	// Force import protos
	_ "istio.io/istio/pilot/pkg/xds/filters"
	"istio.io/istio/pkg/util/protomarshal"
)

// ListenerDiff prints a diff between Istiod and Envoy listeners to the passed writer

	EnableClusterSpecific bool

	// Set is a string with element format "path=value" where path is an IstioOperator path and the value is a
	// value to set the node at that path to.
	Set []string
	// Force proceeds even if there are validation errors
	Force bool
	// ManifestsPath is a path to a charts and profiles directory in the local filesystem with a release tgz.
	ManifestsPath string
	// Revision is the Istio control plane revision the command targets.

	// skipConfirmation determines whether the user is prompted for confirmation.
	// If set to true, the user is not prompted and a Yes response is assumed in all cases.
	skipConfirmation bool
	// force proceeds even if there are validation errors
	force bool
	// operatorNamespace is the namespace the operator controller is installed into.
	operatorNamespace string
	// revision is the Istio control plane revision the command targets.
	revision string

	// SkipConfirmation determines whether the user is prompted for confirmation.
	// If set to true, the user is not prompted and a Yes response is assumed in all cases.
	SkipConfirmation bool
	// Force proceeds even if there are validation errors
	Force bool
	// Verify after installation
	Verify bool
	// Set is a string with element format "path=value" where path is an IstioOperator path and the value is a
	// value to set the node at that path to.

			err := threadNS.Set() // switch back
			if err == nil {
				// Unlock the current thread only when we successfully switched back
				// to the original namespace; otherwise leave the thread locked which
				// will force the runtime to scrap the current thread, that is maybe
				// not as optimal but at least always safe to do.
				runtime.UnlockOSThread()
			}
		}()

		return toRun()
	}

	var wg sync.WaitGroup
	wg.Add(1)

			b, err := yaml.Marshal(gw)
			if err != nil {
				return err
			}
			_, err = gwc.Patch(context.Background(), gw.Name, types.ApplyPatchType, b, metav1.PatchOptions{
				Force:        nil,
				FieldManager: "istioctl",
			})
			if err != nil {
				if errors.IsNotFound(err) {
					return fmt.Errorf("missing Kubernetes Gateway CRDs need to be installed before applying a waypoint: %s", err)

	testResourceFile := "duplicate_mwc"

	testCases := []struct {
		name       string
		force      bool
		assertFunc func(g *WithT, objs *ObjectSet, err error)
	}{
		{
			name:  "Duplicate MutatingWebhookConfiguration should be allowed when --force is enabled",
			force: true,
			assertFunc: func(g *WithT, objs *ObjectSet, err error) {
				g.Expect(err).Should(BeNil())