// limitations under the License.

package proto

import (
	"bytes"

	"google.golang.org/protobuf/proto"

	"istio.io/istio/pkg/util/protomarshal"
)

// MessageSlice allows us to marshal slices of protobuf messages like clusters/listeners/routes/endpoints correctly
type MessageSlice []proto.Message

// MarshalJSON handles marshaling of slices of proto messages

		if r := cmp.Compare(a.Name, b.Name); r != 0 {
			return r
		}
		return cmp.Compare(a.Hostname, b.Hostname)
	})
	out, err := json.MarshalIndent(svcs, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil

		RunE: func(cmd *cobra.Command, args []string) error {
			gw, err := makeGateway(false)
			if err != nil {
				return fmt.Errorf("failed to create gateway: %v", err)
			}
			b, err := yaml.Marshal(gw)
			if err != nil {
				return err
			}
			// strip junk
			res := strings.ReplaceAll(string(b), `  creationTimestamp: null
`, "")
			res = strings.ReplaceAll(res, `status: {}
`, "")

		return msg.ProtoReflect().Type(), nil
	}
	return typ, nil
}

// Wrapper is a wrapper around the Envoy ConfigDump
// It has extra helper functions for handling any/struct/marshal protobuf pain
type Wrapper struct {
	*admin.ConfigDump
}

// UnmarshalJSON is a custom unmarshaller to handle protobuf pain
func (w *Wrapper) UnmarshalJSON(b []byte) error {
	cd := &admin.ConfigDump{}

	}
	bootstrapDump, err := c.configDump.GetBootstrapConfigDump()
	if err != nil {
		return err
	}
	out, err := protomarshal.ToJSONWithIndent(bootstrapDump, "    ")
	if err != nil {
		return fmt.Errorf("unable to marshal bootstrap in Envoy config dump: %v", err)
	}
	if outputFormat == "yaml" {
		outbyte, err := yaml.JSONToYAML([]byte(out))
		if err != nil {
			return err
		}
		out = string(outbyte)
	}

			Ack: &zdsapi.Ack{},
		},
	}
	data, err := proto.Marshal(ack)
	if err != nil {
		panic(err)
	}
	err = c.SetWriteDeadline(time.Now().Add(time.Second))
	if err != nil {
		panic(err)
	}
	c.Write(data)
}

func sendHello(c *net.UnixConn) {
	ack := &zdsapi.ZdsHello{
		Version: zdsapi.Version_V1,
	}
	data, err := proto.Marshal(ack)
	if err != nil {
		panic(err)
	}

func printJSON(ms diag.Messages) (string, error) {
	jsonOutput, err := json.MarshalIndent(ms, "", "\t")
	return string(jsonOutput), err
}

func printYAML(ms diag.Messages) (string, error) {
	yamlOutput, err := yaml.Marshal(ms)
	return string(yamlOutput), err
}

// Formatting options for Message
var (
	colorPrefixes = map[diag.Level]string{
		diag.Info:    "",           // no special color for info messages

		return fmt.Errorf("config writer has not been primed")
	}
	secretDump := c.ztunnelDump.Certificates
	out, err := json.MarshalIndent(secretDump, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal secrets dump: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil
}

		if filter.Verify(workload) {
			filteredWorkloads = append(filteredWorkloads, workload)
		}
	}
	out, err := json.MarshalIndent(filteredWorkloads, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil
}

		if filter.Namespace != "" && filter.Namespace != state.Info.Namespace {
			return false
		}
		return true
	})
	out, err := json.MarshalIndent(workloads, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil
}