import zhukov.derivation.auto._
import zhukov.{Marshaller, Unmarshaller}

case class SimpleMessage(myNumber: Int = 0, myString: String = "")
val message = SimpleMessage(42, "cow")
Marshaller[SimpleMessage].write(message)

import zhukov.Bytes
import com.google.protobuf.ByteString

implicit object ByteStringBytes extends Bytes[ByteString] {
  def empty: ByteString = ByteString.EMPTY
  def copyFromArray(bytes: Array[Byte]): ByteString = ByteString.copyFrom(bytes)
  def copyFromArray(bytes: Array[Byte], offset: Long, size: Long): ByteString = ByteString.copyFrom(bytes, offset.toInt, size.toInt)
  def copyToArray(value: ByteString, array: Array[Byte], sourceOffset: Int, targetOffset: Int, length: Int): Unit = value.copyTo(array, sourceOffset, targetOffset, length)
  def wrapArray(bytes: Array[Byte]): ByteString = ByteString.copyFrom(bytes)
  def copyBuffer(buffer: ByteBuffer): ByteString = ByteString.copyFrom(buffer)
  def toArray(bytes: ByteString): Array[Byte] = bytes.toByteArray
  def toBuffer(bytes: ByteString): ByteBuffer = bytes.asReadOnlyByteBuffer()
  def get(bytes: ByteString, i: Long): Int = bytes.byteAt(i.toInt)
  def size(bytes: ByteString): Long = bytes.size().toLong
  def concat(left: ByteString, right: ByteString): ByteString = left.concat(right)
  def slice(value: ByteString, start: Long, end: Long): ByteString = value.substring(start.toInt, end.toInt)
}