using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using CommonLang.Property;
using CommonLang;

namespace CommonLang.Property
{
    public class Catgorys
    {
        private List<Type> triggerTypes;
        private HashMap<string, List<TypeDescAttribute>> catgorysMap = new HashMap<string, List<TypeDescAttribute>>();
        private List<string> catgorysName = new List<string>();

        public Catgorys(Type baseType)
        {
            BaseType = baseType;
            triggerTypes = ReflectionUtil.GetNoneVirtualSubTypes(baseType);
            foreach (Type type in triggerTypes)
            {
                try
                {
                    TypeDescAttribute tt = new TypeDescAttribute(type);
                    List<TypeDescAttribute> catgorys = catgorysMap.Get(tt.Desc.Category);
                    if (catgorys == null)
                    {
                        catgorys = new List<TypeDescAttribute>();
                        catgorysName.Add(tt.Desc.Category);
                        catgorysMap.Put(tt.Desc.Category, catgorys);
                    }
                    catgorys.Add(tt);
                }
                catch (Exception err)
				{
					Console.WriteLine("Catgorys catch: " + err);
				}
            }
        }

        public Type BaseType { get; private set; }
        public List<string> CatgoryNames { get { return catgorysName; } }
        public List<TypeDescAttribute> GetCatgoryTypes(string name)
        {
            return catgorysMap.Get(name);
        }

        /// <summary>
        /// 找到Type对应的TypeDescAttribute
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public TypeDescAttribute GetTypeDescAttribute(Type type)
        {
            DescAttribute desc = PropertyUtil.GetAttribute<DescAttribute>(type);
            if (desc != null)
            {
                 List<TypeDescAttribute> catgorys = catgorysMap.Get(desc.Category);
                 if (catgorys != null)
                 {
                    foreach (TypeDescAttribute ta in catgorys)
                    {
                        if (ta.DataType == type)
                        {
                            return ta;
                        }
                    }
                 }
            }
            return null;
        }


        private static HashMap<Type, Catgorys> CatgorysMap = new HashMap<Type, Catgorys>();
        public static Catgorys GetCatgory(Type baseType)
        {
            Catgorys ret = CatgorysMap.Get(baseType);
            if (ret == null)
            {
                ret = new Catgorys(baseType);
                CatgorysMap.Put(baseType, ret);
            }
            return ret;
        }
    }
}