import (
	"bytes"
	"fmt"
	"time"

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

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

// RouteDiff prints a diff between Istiod and Envoy routes to the passed writer
func (c *Comparator) RouteDiff() error {
	envoyBytes, istiodBytes := &bytes.Buffer{}, &bytes.Buffer{}
	envoyRouteDump, err := c.envoy.GetDynamicRouteDump(true)
	if err != nil {
		envoyBytes.WriteString(err.Error())

	return debug, err
}

func setupConfigdumpZtunnelConfigWriter(debug []byte, out io.Writer) (*ztunnelDump.ConfigWriter, error) {
	cw := &ztunnelDump.ConfigWriter{Stdout: out, FullDump: debug}
	err := cw.Prime(debug)
	if err != nil {
		return nil, err
	}
	return cw, nil
}

func setupFileZtunnelConfigdumpWriter(filename string, out io.Writer) (*ztunnelDump.ConfigWriter, error) {
	data, err := readFile(filename)
	if err != nil {

	return
}

// EncodeMsg implements msgp.Encodable
func (z testRequest) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 2
	// write "Num"
	err = en.Append(0x82, 0xa3, 0x4e, 0x75, 0x6d)
	if err != nil {
		return
	}
	err = en.WriteInt(z.Num)
	if err != nil {
		err = msgp.WrapError(err, "Num")
		return
	}
	// write "String"
	err = en.Append(0xa6, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67)
	if err != nil {
		return

	if err == nil || err == io.EOF && n > 0 {
		d.tracker.logSuccess()
	}
	return n, err
}

func (d *diskHealthWrapper) Write(p []byte) (int, error) {
	if d.w == nil {
		return 0, fmt.Errorf("diskHealthWrapper: Write with no writer")
	}
	n, err := d.w.Write(p)
	if err == nil && n == len(p) {
		d.tracker.logSuccess()
	}
	return n, err
}

)

func writeEncodedObject(out io.Writer, in runtime.Object) error {
	if _, err := fmt.Fprint(out, outputHeader); err != nil {
		return err
	}
	if err := codec.Encode(in, out); err != nil {
		return err
	}
	if _, err := fmt.Fprint(out, outputTrailer); err != nil {
		return err
	}
	return nil
}

type writer interface {
	io.Writer
	String() string
}

}

func (b *wholeBitrotWriter) Write(p []byte) (int, error) {
	err := b.disk.AppendFile(context.TODO(), b.volume, b.filePath, p)
	if err != nil {
		return 0, err
	}
	_, err = b.Hash.Write(p)
	if err != nil {
		return 0, err
	}
	return len(p), nil
}

func (b *wholeBitrotWriter) Close() error {
	return nil
}

// Returns whole-file bitrot writer.

func (z BatchJobReplicateCredentials) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 3
	// write "AccessKey"
	err = en.Append(0x83, 0xa9, 0x41, 0x63, 0x63, 0x65, 0x73, 0x73, 0x4b, 0x65, 0x79)
	if err != nil {
		return
	}
	err = en.WriteString(z.AccessKey)
	if err != nil {
		err = msgp.WrapError(err, "AccessKey")
		return
	}
	// write "SecretKey"

}

// EncodeMsg implements msgp.Encodable
func (z RStat) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 2
	// write "Count"
	err = en.Append(0x82, 0xa5, 0x43, 0x6f, 0x75, 0x6e, 0x74)
	if err != nil {
		return
	}
	err = en.WriteInt64(z.Count)
	if err != nil {
		err = msgp.WrapError(err, "Count")
		return
	}
	// write "Bytes"
	err = en.Append(0xa5, 0x42, 0x79, 0x74, 0x65, 0x73)
	if err != nil {

// EncodeMsg implements msgp.Encodable
func (z *dataUsageCache) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 2
	// write "Info"
	err = en.Append(0x82, 0xa4, 0x49, 0x6e, 0x66, 0x6f)
	if err != nil {
		return
	}
	err = z.Info.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Info")
		return
	}
	// write "Cache"
	err = en.Append(0xa5, 0x43, 0x61, 0x63, 0x68, 0x65)
	if err != nil {

		lifecycleResponse  []byte
		errorResponse      APIErrorResponse
		shouldPass         bool
	},
) {
	for i, testCase := range testCases {
		// initialize httptest Recorder, this records any mutations to response writer inside the handler.
		rec := httptest.NewRecorder()
		// construct HTTP request
		req, err := newTestSignedRequestV4(testCase.method, getBucketLifecycleURL("", testCase.bucketName),