_ "github.com/envoyproxy/go-control-plane/envoy/extensions/compression/brotli/compressor/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/compression/gzip/compressor/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/compression/zstd/compressor/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/compressor/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/router/v3"

	tableMask = tableSize - 1
	// A hash table entry is a uint32. Zero is an invalid entry since the
	// lower 12 bits of a valid entry must be a non-literal code.
	invalidEntry = 0
)

// Writer is an LZW compressor. It writes the compressed form of the data
// to an underlying writer (see [NewWriter]).
type Writer struct {
	// w is the writer that compressed bytes are written to.
	w writer

		// small loss (~5% performance, ~0.1% density) for compressible data
		// due to more bookkeeping, but for non-compressible data (such as
		// JPEG) it's a huge win since the compressor quickly "realizes" the
		// data is incompressible and doesn't bother looking for matches
		// everywhere.
		//
		// The "skip" variable keeps track of how many bytes there are since

			return
		}

		zstdBigBytes = compressed.Bytes()
	})
	if zstdBigErr != nil {
		t.Fatal(zstdBigErr)
	}
	return zstdBigBytes
}

// Test decompressing a large file. We don't have a compressor,
// so this test only runs on systems with zstd installed.
func TestLarge(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping expensive test in short mode")
	}

	data := bigData(t)

		{"(*Writer).CreateRaw", Method, 17},
		{"(*Writer).Flush", Method, 4},
		{"(*Writer).RegisterCompressor", Method, 6},
		{"(*Writer).SetComment", Method, 10},
		{"(*Writer).SetOffset", Method, 5},
		{"Compressor", Type, 2},
		{"Decompressor", Type, 2},
		{"Deflate", Const, 0},
		{"ErrAlgorithm", Var, 0},
		{"ErrChecksum", Var, 0},
		{"ErrFormat", Var, 0},
		{"ErrInsecurePath", Var, 20},
		{"File", Type, 0},

			s3Select.progressReader.Close()

			var stErr bzip2.StructuralError
			if errors.As(err, &stErr) {
				return errInvalidCompression(err, s3Select.Input.CompressionType)
			}
			// Test these compressor errors
			errs := []error{
				gzip.ErrHeader, gzip.ErrChecksum,
				s2.ErrCorrupt, s2.ErrUnsupported, s2.ErrCRC,

				_, err := io.ReadFull(rand.Reader, chunk)
				checkErr(err, "rand.Reader ReadFull")
			}
			wr.Write(chunk)
		}
		if test.compressed {
			err := wr.(*gzip.Writer).Close()
			checkErr(err, "compressor close")
		}
		if test.chunked {
			buf.WriteString("0\r\n\r\n")
		}
		buf.WriteString("Next Request Here")

		bufr := bufio.NewReader(&buf)
		resp, err := ReadResponse(bufr, dummyReq("GET"))

		}
	}
	t.Logf("got %d bytes", len(out1))
}

// TestBestSpeed tests that round-tripping through deflate and then inflate
// recovers the original input. The Write sizes are near the thresholds in the
// compressor.encSpeed method (0, 16, 128), as well as near maxStoreBlockSize
// (65535).
func TestBestSpeed(t *testing.T) {
	t.Parallel()
	abc := make([]byte, 128)
	for i := range abc {
		abc[i] = byte(i)
	}

// client closed the stream prematurely.
func newS2CompressReader(r io.Reader, on int64, encrypted bool) (rc io.ReadCloser, idx func() []byte) {
	pr, pw := io.Pipe()
	// Copy input to compressor
	opts := compressOpts
	if encrypted {
		// The values used for padding are not a security concern,
		// but we choose pseudo-random numbers instead of just zeros.

pkg archive/zip, func RegisterCompressor(uint16, Compressor)
pkg archive/zip, func RegisterDecompressor(uint16, Decompressor)
pkg archive/zip, method (*File) DataOffset() (int64, error)
pkg archive/zip, type Compressor func(io.Writer) (io.WriteCloser, error)
pkg archive/zip, type Decompressor func(io.Reader) io.ReadCloser
pkg bufio, method (*Reader) Reset(io.Reader)
pkg bufio, method (*Writer) Reset(io.Writer)
pkg compress/flate, method (*Writer) Reset(io.Writer)