using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Maui.Controls.Build.Tasks;
using Microsoft.Maui.Controls.Xaml;
using Mono.Cecil;
using Mono.Cecil.Cil;
 
namespace Microsoft.Maui.Controls.XamlC
{
	class LayoutOptionsConverter : ICompiledTypeConverter
	{
		public IEnumerable<Instruction> ConvertFromString(string value, ILContext context, BaseNode node)
		{
			var module = context.Body.Method.Module;
 
			do
			{
				if (string.IsNullOrEmpty(value))
					break;
 
				value = value.Trim();
 
				var parts = value.Split('.');
				if (parts.Length == 1 || (parts.Length == 2 && parts[0] == "LayoutOptions"))
				{
					var options = parts[parts.Length - 1];
 
					var fieldReference = module.ImportFieldReference(context.Cache, ("Microsoft.Maui.Controls", "Microsoft.Maui.Controls", "LayoutOptions"),
																	 fieldName: options,
																	 isStatic: true);
					if (fieldReference != null)
					{
						yield return Instruction.Create(OpCodes.Ldsfld, fieldReference);
						yield break;
					}
				}
			} while (false);
 
			throw new BuildException(BuildExceptionCode.Conversion, node, null, value, typeof(LayoutOptions));
		}
	}
}