using ln.type;
using System;
using System.Collections.Generic;

namespace ln.objects.serialization
{
    public delegate bool LookupObjectByReference(object reference, Type objectType, out object o);

    public abstract class Deserializer
    {
        public event LookupObjectByReference OnLookupObjectByReference;

        public abstract bool DeserializeObject(byte[] serializedBytes, ref object o);

        public bool TryLookupObject(object reference, Type targetType, out object o)
        {
            foreach (LookupObjectByReference lo in OnLookupObjectByReference?.GetInvocationList() ?? new LookupObjectByReference[0])
            {
                if (lo(reference, targetType, out o))
                    return true;
            }
            o = null;
            return false;
        }

        public virtual bool TryGetType(byte[] serializedBytes,out Type type)
        {
            object o = null;
            if (DeserializeObject(serializedBytes,ref o) && (!object.ReferenceEquals(null,o)))
            {
                type = o.GetType();
                return true;
            }
            type = null;
            return false;
        }

    }
}