use libpso::PacketParseError;
use libpso::crypto::PSOCipher;


pub enum OnConnect<S: SendServerPacket> {
    Packet(S),
    Cipher((Box<dyn PSOCipher>, Box<dyn PSOCipher>)),
}

pub trait RecvServerPacket: Sized {
    fn from_bytes(data: &Vec<u8>) -> Result<Self, PacketParseError>;
}

pub trait SendServerPacket: Sized {
    fn as_bytes(&self) -> Vec<u8>;
}

pub trait ServerState {
    type SendPacket: SendServerPacket;
    type RecvPacket: RecvServerPacket;
    type PacketError;
    
    fn on_connect(&mut self) -> Vec<OnConnect<Self::SendPacket>>;
    fn handle(&mut self, pkt: &Self::RecvPacket) -> Box<dyn Iterator<Item = Self::SendPacket>>;
}