// Copyright (c) 2016 PSForever.net to present
package psforever.net

import scodec.bits.BitVector
import scodec.{Err, DecodeResult, Attempt}

// this isnt actually used as an opcode (i.e not serialized)
object CryptoPacketOpcode extends Enumeration {
  type Type = Value
  val Ignore, ClientChallengeXchg, ServerChallengeXchg,
    ClientFinished, ServerFinished = Value

  def getPacketDecoder(opcode : CryptoPacketOpcode.Type) : (BitVector) => Attempt[DecodeResult[PlanetSideCryptoPacket]] = opcode match {
    case ClientChallengeXchg => psforever.net.ClientChallengeXchg.decode
    case ServerChallengeXchg => psforever.net.ServerChallengeXchg.decode
    case ServerFinished => psforever.net.ServerFinished.decode
    case ClientFinished => psforever.net.ClientFinished.decode
    case default => (a : BitVector) => Attempt.failure(Err(s"Could not find a marshaller for crypto packet ${opcode}")
      .pushContext("get_marshaller"))
  }
}