using System.Collections.Generic;
using AspClassic.Scripting.Utils;

namespace AspClassic.Scripting.Runtime;

internal class TransformDictionaryEnumerator : CheckedDictionaryEnumerator
{
	private const int ObjectKeysId = -2;

	private IEnumerator<KeyValuePair<SymbolId, object>> _backing;

	internal static readonly SymbolId ObjectKeys = new SymbolId(-2);

	public TransformDictionaryEnumerator(IDictionary<SymbolId, object> backing)
	{
		_backing = backing.GetEnumerator();
	}

	protected override object GetKey()
	{
		return SymbolTable.IdToString(_backing.Current.Key);
	}

	protected override object GetValue()
	{
		return _backing.Current.Value;
	}

	protected override bool DoMoveNext()
	{
		bool flag = _backing.MoveNext();
		if (flag && _backing.Current.Key == ObjectKeys)
		{
			flag = MoveNext();
		}
		return flag;
	}

	protected override void DoReset()
	{
		_backing.Reset();
	}
}