/*-------------------------------------------------------------------------
 * 功能描述：ExtensibleStorageUtil
 * 作者：xulisong
 * 创建时间： 2019/7/1 9:39:17
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

using Autodesk.Revit.DB;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB.ExtensibleStorage;

namespace FWindSoft.Revit.ExtensibleStorage
{
    /// <summary>
    /// 扩展存储工具类
    /// </summary>
    public class ExtensibleStorageUtil
    {
        /// <summary>
        /// 扩展数据内容兼容类型
        /// </summary>
        private static HashSet<Type> ContentTypes { get; set; } = new HashSet<Type>();
        /// <summary>
        /// 扩展数据键值兼容类型
        /// </summary>
        private static HashSet<Type> KeyTypes { get; set; } = new HashSet<Type>();

        static ExtensibleStorageUtil()
        {
            InitData();
        }

        private static void InitData()
        {
            #region 内容类型
            ContentTypes.Add(typeof(bool));
            ContentTypes.Add(typeof(byte));
            ContentTypes.Add(typeof(Int16));
            ContentTypes.Add(typeof(Int32));
            ContentTypes.Add(typeof(float));
            ContentTypes.Add(typeof(double));
            ContentTypes.Add(typeof(ElementId));
            ContentTypes.Add(typeof(Guid));
            ContentTypes.Add(typeof(string));
            ContentTypes.Add(typeof(XYZ));
            ContentTypes.Add(typeof(UV));
            ContentTypes.Add(typeof(Entity));
            #endregion

            #region 键值类型
            KeyTypes.Add(typeof(bool));
            KeyTypes.Add(typeof(byte));
            KeyTypes.Add(typeof(Int16));
            KeyTypes.Add(typeof(Int32));
            KeyTypes.Add(typeof(ElementId));
            KeyTypes.Add(typeof(Guid));
            KeyTypes.Add(typeof(string));
            #endregion
           
        }
        /// <summary>
        /// 判定是否是有效的content类型
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static bool IsEffectiveContent(Type type)
        {
            return ContentTypes.Contains(type);
        }
        /// <summary>
        /// 判定是否是有效的key类型
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static bool IsEffectiveKey(Type type)
        {
            return KeyTypes.Contains(type);
        }

        public static bool IsEffectiveArray(Type type,out Type contentType)
        {
            contentType = null;
            var baseType = type.GetInterface(typeof(IList<>).FullName);
            if (baseType == null)
            {
                return false;
            }

            var firstType = baseType.GetGenericArguments()?.FirstOrDefault();
            var flag= firstType != null && IsEffectiveContent(firstType);
            if (flag)
            {
                contentType = firstType;
            }

            return flag;
        }
        public static bool IsEffectiveMap(Type type,out Type outKeyType,out Type outValueTYpe)
        {
            outKeyType = null;
            outValueTYpe = null;
            var baseType = type.GetInterface(typeof(IDictionary<,>).FullName);
            if (baseType == null)
            {
                return false;
            }

            var keyType = baseType.GetGenericArguments()?.FirstOrDefault();
            var valueType = baseType.GetGenericArguments()?.FirstOrDefault();

            var flag= keyType != null && valueType != null && IsEffectiveKey(keyType) && IsEffectiveContent(valueType);
            if (flag)
            {
                outKeyType = keyType;
                outValueTYpe = valueType;
            }
            return flag;
        }

        /// <summary>
        /// 是否为自定义解析存储
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static bool IsCoustomStorage(Type type)
        {
            var baseType = type.GetInterface(typeof(ICoustomStorage).FullName);
            return baseType != null;
        }
        /// <summary>
        /// 获取可用set方法
        /// </summary>
        /// <returns></returns>
        public static MethodInfo GetEntitySetMethod()
        {
            var methods= typeof(Entity).GetMethods(BindingFlags.Public | BindingFlags.Instance);
            foreach (var methodInfo in methods)
            {
                if (methodInfo.Name != "Set")
                {
                    continue;
                }

                var parameters = methodInfo.GetParameters();
                if (parameters.Length == 2 && parameters[0].ParameterType == typeof(string))
                {
                    return methodInfo;
                }
            }
            return null;
        }

        public static Type GetFileType(Field field)
        {
            var useType = field.ValueType;
            if (field.ContainerType == ContainerType.Array)
            {
                useType = typeof(IList<>).MakeGenericType(field.ValueType);
            }
            else if (field.ContainerType == ContainerType.Map)
            {
                useType = typeof(IDictionary<,>).MakeGenericType(field.KeyType, field.ValueType);
            }
            return useType;
        }
    }
}