"fmt"
	"io"
	"net"
	"net/http"
	"time"
)

// ResponseRecorder - is a wrapper to trap the http response
// status code and to record the response body
type ResponseRecorder struct {
	http.ResponseWriter
	io.ReaderFrom
	StatusCode int
	// Log body of 4xx or 5xx responses
	LogErrBody bool
	// Log body of all responses
	LogAllBody bool

	TimeToFirstByte time.Duration
	StartTime       time.Time

	if err != nil {
		return false, err
	}

	// Handle large OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz
	type opaResultAllow struct {
		Result struct {
			Allow bool `json:"allow"`
		} `json:"result"`
	}

	// Handle simpler OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz/allow
	type opaResult struct {

			return nil, err
		}
		responses = append(responses, resp)
		return responses, nil
	}

	return responses, nil
}

func mergeShards(responses map[string]*discovery.DiscoveryResponse) (*discovery.DiscoveryResponse, error) {
	retval := discovery.DiscoveryResponse{}
	if len(responses) == 0 {
		return &retval, nil
	}

	for _, response := range responses {

	"sigs.k8s.io/yaml"

	"istio.io/istio/istioctl/pkg/util/configdump"
	sdscompare "istio.io/istio/istioctl/pkg/writer/compare/sds"
	"istio.io/istio/pkg/util/protomarshal"
)

// ConfigWriter is a writer for processing responses from the Envoy Admin config_dump endpoint
type ConfigWriter struct {
	Stdout     io.Writer
	configDump *configdump.Wrapper
}

// includeConfigType is a flag to indicate whether to include the config type in the output

				ch <- refreshResult{refreshed: refreshed}
				log("dsync: Refresh returned false for %#v at %s\n", args, c)
			}
		}(index, c)
	}

	// Wait until we have either
	//
	// a) received all refresh responses
	// b) received too many refreshed for quorum to be still possible
	// c) timed out
	//
	lockNotFound, lockRefreshed := 0, 0
	done := false

	for i := 0; i < len(restClnts); i++ {
		select {

// this in other places.
func encodeResponseList(response interface{}) []byte {
	var buf bytes.Buffer
	buf.WriteString(xxml.Header)
	if err := xxml.NewEncoder(&buf).Encode(response); err != nil {
		bugLogIf(GlobalContext, err)
		return nil
	}
	return buf.Bytes()
}

// Encodes the response headers into JSON format.
func encodeResponseJSON(response interface{}) []byte {
	var bytesBuffer bytes.Buffer

	errFatal(remoteConn.WaitForConnect(context.Background()))

	stream, err := remoteConn.NewStream(context.Background(), handlerTest2, []byte(testPayload))
	errFatal(err)
	go func() {
		for resp := range stream.responses {
			t.Log("Resp:", resp, err)
		}
		gotResp <- struct{}{}
	}()

	<-gotCall
	remote.debugMsg(debugKillOutbound)
	local.debugMsg(debugKillOutbound)

	for in := range inbound {
		handlerIn <- in
		m.send(message{Op: OpUnblockClMux, MuxID: m.ID, Flags: c.baseFlags})
	}
}

// sendResponses will send responses to the client.
func (m *muxServer) sendResponses(ctx context.Context, toSend <-chan []byte, c *Connection, handlerErr *atomic.Pointer[RemoteErr], outBlock <-chan struct{}) {
	for {
		// Process outgoing message.

// when it has been returned on a handler.
// This will disable automatic response recycling/pooling.
// Typically this is used when the response sharing part of its data structure.
func (h *SingleHandler[Req, Resp]) WithSharedResponse() *SingleHandler[Req, Resp] {
	h.sharedResp = true
	return h
}

// NewResponse creates a new response.

	// Space for one message and an error.
	responseCh := make(chan Response, 1)

	// Spawn simple disconnect
	if requests == nil {
		go m.handleOneWayStream(responseCh, responses)
		return &Stream{responses: responseCh, Requests: nil, ctx: m.ctx, cancel: m.cancelFn, muxID: m.MuxID}, nil
	}

	// Deliver responses and send unblocks back to the server.
	go m.handleTwowayResponses(responseCh, responses)