using Invercargill;

namespace Pprf.Messages {

    public abstract class CollectionMessage : Message {

        public BinaryData collection_id { get; set; }

        public override void deserialise (GLib.DataInputStream stream) throws Error {
            base.deserialise (stream);
            var id = new uint8[Sodium.Asymmetric.Signing.PUBLIC_KEY_BYTES];
            stream.read(id);
            collection_id = Wrap.byte_array(id);
        }

        public override uint64 calculate_size() {
            return base.calculate_size() + Sodium.Asymmetric.Signing.PUBLIC_KEY_BYTES;
        }
        
        public override void serialise(DataOutputStream stream) throws Error {
            base.serialise(stream);
            if(collection_id.count() != Sodium.Asymmetric.Signing.PUBLIC_KEY_BYTES) {
                error("Collection ID is not the correct size");
            }
            stream.write(collection_id.to_array());
        }

    }
}