using AddInPlugin.Entity;
using OpenTap;
using System.ComponentModel;
using System.IO;
using UtilLib;

namespace OpenTapEditor.Util
{
    public class StepTypeLoader
    {
        public static List<ITypeData> Steps { get; private set; }
        public static List<AdapterData> CustomSteps { get; private set; }

        static StepTypeLoader()
        {
            LoadStep();
        }

        public static void LoadStep()
        {
            LoadAllStep(null);
            LoadAdapterStep();
        }

        public static void LoadAllStep(TypeData parentType)
        {
            TypeData AsTypeData(ITypeData typedata)
            {
                do
                {
                    if (typedata is TypeData td)
                        return td;
                    typedata = typedata?.BaseType;
                } while (typedata != null);
                return null;
            }

            var types = TypeData.GetDerivedTypes(TypeData.FromType(typeof(ITestStep)))
               .Where(x => x.CanCreateInstance)
               .Where(x => x.GetAttribute<BrowsableAttribute>()?.Browsable ?? true)
               .Where(x => parentType == null ? true : TestStepList.AllowChild(AsTypeData(parentType).Type, AsTypeData(x)?.Type))
               .OrderBy(x => x.GetAttribute<DisplayAttribute>()?.Order);

            Steps = types.ToList();
        }

        public static void LoadAdapterStep()
        {
            var datas = new List<AdapterData>();
            try
            {
                if (File.Exists(PathHelper.AdapterDataPath))
                {
                    datas = XmlHelper.DeserializeFromXml<List<AdapterData>>(PathHelper.AdapterDataPath);
                }
            }
            catch (Exception ex)
            {

            }
            CustomSteps = datas;
        }
    }
}