using FWindSoft.SystemExtensions;
using System;
using System.Linq;
using System.Reflection;
namespace FWindSoft.Revit.ExtensibleStorage
{
    /// <summary>
    /// 内部应用
    /// </summary>
    internal class InEnumUtil
    {
        /// <summary>
        /// 获取枚举的guid
        /// </summary>
        /// <param name="en"></param>
        /// <returns></returns>
        public static Guid GetGuid(Enum en)
        {
            var type = en.GetType();
            string allPath = type.FullName + en.ToString();
            return allPath.ToGuid();
        }

        internal static SchemaItem CreateSchemaItem(Enum en)
        {
            SchemaItem item = new SchemaItem();
            FieldInfo fieldInfo = en.GetType().GetField(en.ToString());
            var  fileNameAttribute = fieldInfo.GetCustomAttribute<StorageFileNameAttribute>();
            item.FileName = fileNameAttribute?.Name?? en.ToString();
            var schemeNameAttribute = fieldInfo.GetCustomAttribute<StorageSchemeNameAttribute>();
            item.SchemaName = schemeNameAttribute?.Name ?? en.ToString();
            var schemeGuidAttribute = fieldInfo.GetCustomAttribute<StorageSchemeGuidAttribute>();
            if (schemeGuidAttribute?.Guid == null)
            {
                item.SchemaGuid = GetGuid(en);
            }
            else
            {
                item.SchemaGuid = new Guid(schemeGuidAttribute?.Guid);
            }

            return item;
        }
    }
}