using System;
using System.Collections.Generic;
using Artech.Architecture.Common;
using Artech.Architecture.Common.Objects;
using Artech.Genexus.Common.Objects;
using Artech.Genexus.Common.Parts;
using Artech.Genexus.Common.Parts.WebForm;
using Artech.Genexus.Common.Controls;
using Artech.Common.Collections;

namespace GxMcp.Worker.Helpers
{
    public static class GxWebFormHelper
    {
        public static Tree<IWebTag> GetWebTagTree(KBObject obj, System.Xml.XmlElement documentElement)
        {
            if (documentElement == null) return null;

            // Artech SDK provides a way to get the tag tree from the document element
            // In typical implementations, this is handled by the Artech Rendering engine
            // For the Worker, we simulate the tree extraction by wrapping the elements
            
            try {
                // Check if Artech.Genexus.Common has a built-in helper (often the case in specialized DLLs)
                // If not found in current references, we use a custom recursive wrapper.
                return BuildTreeFromElement(obj, documentElement);
            } catch {
                return null;
            }
        }

        private static Tree<IWebTag> BuildTreeFromElement(KBObject obj, System.Xml.XmlElement element)
        {
            if (element == null) return null;

            // Attempt to resolve as a WebTag
            IWebTag tag = ResolveTag(obj, element);
            if (tag == null) return null;

            var node = new Tree<IWebTag>(tag);

            foreach (System.Xml.XmlNode child in element.ChildNodes)
            {
                if (child is System.Xml.XmlElement childElem)
                {
                    var childTree = BuildTreeFromElement(obj, childElem);
                    if (childTree != null) node.AddChild(childTree);
                }
            }

            return node;
        }

        private static IWebTag ResolveTag(KBObject obj, System.Xml.XmlElement element)
        {
            return null;
        }
    }
}
