using AspectCore.Extensions.Reflection;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Reflection.Metadata;

namespace TEAMModelOS.SDK.Helper.Common.ReflectorExtensions
{
    public static class ReflectorExtensions
    {
        public static T GetPropertyValue<T>(this object obj, string name, BindingFlags bindingFlags) where T : class
        {
            var chProperty = obj.GetType().GetTypeInfo().GetProperty(name, bindingFlags);
            var chReflector = chProperty.GetReflector();
            var value = chReflector.GetValue(obj) as T;

            return value;
        }

        public static Tuple<T, FieldInfo> GetFieldValue<T>(this object obj, string name, BindingFlags bindingFlags) where T : class
        {
            var chField = obj.GetType().GetTypeInfo().GetField(name, bindingFlags);
            var chReflector = chField.GetReflector();
            var value = chReflector.GetValue(obj) as T;

            return Tuple.Create(value, chField);
        }

        public static T GetFieldValue<T>(this Type type, string name, BindingFlags bindingFlags) where T : class
        {
            var chField = type.GetTypeInfo().GetField(name, bindingFlags);
            var chReflector = chField.GetReflector();
            var value = chReflector.GetValue(null) as T;
            return value;
        }

        /// <summary>
        /// 获取T类型属性标记的类集合
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public static IEnumerable<Type> GetAllTypeAsAttribute<T>() {


            Assembly assembly =typeof(T).Assembly;
            var typesWithMyAttribute =
              from t in assembly.GetTypes()
              let attributes = t.GetCustomAttributes(typeof(T), true)
              where attributes != null && attributes.Length > 0
              select new { Type = t, Attributes = attributes.Cast<T>() };

            return typesWithMyAttribute;
        }
    }
}