using Qrakhen.Qamp.Core.Collections;

namespace Qrakhen.Qamp.Core.Values.Objects;

using T = ValueType;

/// <summary>
///     Wrapper to access values that are spread around the stack inside contexts
/// </summary>
public class Outer(Pointer<Value> target) : Obj(T.Outer)
{
   private Value _stored = Value.Void;
   public Pointer<Value> Target = target;

   public bool IsClosed { get; private set; }

   /// <summary>
   ///     Dynamic getter & setter that returns or writes to either the target value directly,
   ///     or the stored value if this <see cref="Outer"/> has been closed.
   /// </summary>
   public Value Value {
      get => IsClosed ? _stored : Target!.Get();
      set {
         if (IsClosed)
            _stored = value;
         else
            Target.Set(value);
      }
   }

   public Value Close()
   {
      if (IsClosed)
         throw new Exception($"meh, something not right here (cant close already closed outer)");
      _stored = Target!.Get();
      IsClosed = true;
      return _stored;
   }
}