using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Furion.FriendlyException;
using Newtonsoft.Json.Linq;
using System.Collections.Specialized;
using System.Data;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Xml;
using RoadFlow.Utility;

namespace Ewide.RoadFlowLite.Utility
{
    public static class JsonExtsions
    {
    

        public static JObject ToJObject(this string str, bool isToLower = true)
        {
            return JObject.Parse(isToLower ? str.ToLower() : str);
        }
        public static JArray ToJArray(this string str, bool isToLower = true)
        {
            return JArray.Parse(isToLower ? str.ToLower() : str);
        }
        public static string GetJsonValue(this JObject jObject, string jsonName, bool isToLower = false, bool isThrowExp = false)
        {
            if (jObject == null)
                throw Oops.Oh("参数为空");
            JToken token = jObject[isToLower ? jsonName.ToLower() : jsonName];
            if (token == null)
            {
                foreach (var item in jObject)
                {
                    if (item.Key.ToLower() == jsonName.ToLower())
                        token = item.Value;
                }
            }
            if (token == null)
            {

                if (isThrowExp)
                    throw Oops.Oh(jsonName + "是必需的");
                return string.Empty;
            }
            else
                return token.ToString();
        }
        public static string GetJsonValue(this JArray jObject, string jsonName, bool isToLower = true)
        {
            JToken token = jObject[isToLower ? jsonName.ToLower() : jsonName];
            if (token == null)
                return string.Empty;
            else
                return token.ToString();
        }
        public static string GetJsonValue(this string param, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            JObject jObject = param.ToJObject(isToLower);
            return GetJsonValue(jObject, jsonName, isToLower, isThrowExp);
        }
        public static DateTime? GetJsonDateTimeValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonDateTimeValue(jsonName, isToLower);
        }
        public static DateTime? GetJsonDateTimeValue(this JObject jObject, string jsonName, bool isToLower = true)
        {
            string v = GetJsonValue(jObject, jsonName, isToLower);
            if (DateTime.TryParse(v, out DateTime dateTime))
            {
                return dateTime;
            }
            else
                return null;
        }
        public static decimal? GetJsonDecimalValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonDecimalValue(jsonName, isToLower);
        }
        public static decimal? GetJsonDecimalValue(this JObject jObject, string jsonName, bool isToLower = true)
        {
            string v = GetJsonValue(jObject, jsonName, isToLower);
            if (decimal.TryParse(v, out decimal d))
            {
                return d;
            }
            else
                return null;
        }
        public static double? GetJsonDoubleValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonDoubleValue(jsonName, isToLower);
        }
        public static double? GetJsonDoubleValue(this JObject jObject, string jsonName, bool isToLower = true)
        {
            string v = GetJsonValue(jObject, jsonName, isToLower);
            if (double.TryParse(v, out double d))
            {
                return d;
            }
            else
                return null;
        }
        public static int? GetJsonIntValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonIntValue(jsonName, isToLower);
        }
        public static int? GetJsonIntValue(this JObject jObject, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            string v = GetJsonValue(jObject, jsonName, isToLower, isThrowExp);
            if (int.TryParse(v, out int i))
            {
                return i;
            }
            else
                return null;
        }
        public static long? GetJsonLongValue(this string jObjectstr, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonLongValue(jsonName, isToLower, isThrowExp);
        }
        public static long? GetJsonLongValue(this JObject jObject, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            if (jObject == null)
            {
                if (isThrowExp)
                    throw Oops.Oh(jsonName + "是必需的");
                return null;
            }
            string v = GetJsonValue(jObject, jsonName, isToLower);
            if (long.TryParse(v, out long d))
            {
                return d;
            }
            else
            {
                if (isThrowExp)
                    throw Oops.Oh(jsonName + "是必需的");
                return null;
            }
        }
        public static Guid? GetJsonGuidValue(this string jObjectstr, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonGuidValue(jsonName, isToLower, isThrowExp);
        }
        public static Guid? GetJsonGuidValue(this JObject jObject, string jsonName, bool isToLower = true, bool isThrowExp = false)
        {
            string v = GetJsonValue(jObject, jsonName, isToLower);
            if (Guid.TryParse(v, out Guid d))
            {
                return d;
            }
            else
            {
                if (isThrowExp)
                    throw Oops.Oh(jsonName + "是必需的");
                return null;
            }
        }
        public static bool? GetJsonBoolValue(this JObject jObject, string jsonName, bool isToLower = true)
        {
            string v = jObject.GetJsonValue(jsonName, isToLower);
            if (bool.TryParse(v, out bool d))
            {
                return d;
            }
            else
                return null;
        }
        public static bool? GetJsonBoolValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonBoolValue(jsonName, isToLower);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="jarrat"></param>
        /// <param name="index"></param>
        /// <returns></returns>
        public static string GetArrayValue(this JArray jarrat, int index)
        {
            JToken token = jarrat[index];
            if (token == null)
                return string.Empty;
            else
                return token.ToString();
        }
        public static JArray GetJsonJArrayValue(this string jObjectstr, string jsonName, bool isToLower = true)
        {
            return jObjectstr.ToJObject(isToLower).GetJsonJArrayValue(jsonName, isToLower);
        }
        public static JArray GetJsonJArrayValue(this JObject jObject, string jsonName, bool isToLower = true)
        {
            return jObject[isToLower ? jsonName.ToLower() : jsonName] as JArray;
        }
        public static JArray GetJsonJArray(this string param, string jsonName, bool isToLower = true)
        {
            var jObject = param.ToJObject(isToLower);
            return jObject[jsonName] as JArray;
        }
       
        /// <summary>
        /// json字符串转T
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="page"></param>
        /// <returns></returns>
        public static T ToEntity<T>(this JObject jobj, bool isToLower = true) where T : new()
        {
            var obj = new T();
            PropertyInfo[] ProList = typeof(T).GetProperties();
            foreach (PropertyInfo pro in ProList)
            {
                var propName = pro.PropertyType.Name.ToLower();
                if ("nullable`1" == propName)
                {
                    propName = pro.PropertyType.GetGenericArguments()[0].Name.ToLower();
                }
                object propertyValue = pro.GetValue(obj, null);
                bool isnull = false;
                if (propertyValue == null)
                {
                    isnull = true;
                }
                else
                {
                    switch (propName)
                    {
                        case "guid":
                            isnull = Guid.Parse(propertyValue.ToString()) == Guid.Empty;
                            break;
                        case "string":
                            isnull = string.IsNullOrEmpty(propertyValue.ToString());
                            break;
                        case "int":
                        case "int32":
                        case "int64":
                            isnull = propertyValue.ToString().ToInt(0) == 0;
                            break;
                    }
                }
                if (isnull || true)
                {
                    object value = null;
                    switch (propName)
                    {
                        case "guid":
                            value = jobj.GetJsonGuidValue(pro.Name, isToLower);
                            break;
                        case "string":
                            value = jobj.GetJsonValue(pro.Name, isToLower);
                            break;
                        case "int":
                        case "int32":
                            value = jobj.GetJsonIntValue(pro.Name, isToLower);
                            break;
                        case "int64":
                            value = jobj.GetJsonLongValue(pro.Name, isToLower);
                            break;
                        case "datetime":
                            value = jobj.GetJsonDateTimeValue(pro.Name, isToLower);
                            break;
                        case "decimal":
                            value = jobj.GetJsonDecimalValue(pro.Name, isToLower);
                            break;
                        case "list`1":
                            value = jobj.GetJsonJArrayValue(pro.Name, isToLower);
                            break;
                        case "boolean":
                            value = jobj.GetJsonBoolValue(pro.Name, isToLower);
                            break;
                        default:
                            throw Oops.Oh("补充类型:" + propName);
                    }
                    pro.SetValue(obj, value, null);
                }

            }
            return obj;


            //PropertyInfo[] ProList = typeof(T).GetProperties();
            //foreach (PropertyInfo pro in ProList)
            //{
            //    try
            //    {
            //        if (page.Request.Form.AllKeys.Contains(pro.Name))
            //        {
            //            string value = page.Request.Form[pro.Name];
            //            string pptypeName = pro.PropertyType.Name;
            //            if (pptypeName == "Nullable`1")
            //            {
            //                if (pro.PropertyType.GetGenericArguments()[0] == typeof(Guid))
            //                {
            //                    pro.SetValue(obj, Guid.Parse(value), null);
            //                }
            //                else
            //                {
            //                    pro.SetValue(obj, Convert.ChangeType(value, pro.PropertyType.GetGenericArguments()[0]), null);
            //                }

            //            }
            //            else
            //            {
            //                pro.SetValue(obj, Convert.ChangeType(value, pro.PropertyType), null);
            //            }
            //        }
            //    }
            //    catch (Exception ee)
            //    {

            //    }
            //}
            //return obj;
        }
        /// <summary>
        /// json字符串转T
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="page"></param>
        /// <returns></returns>
        public static T ToEntity<T>(this string argsparam, bool isToLower = true) where T : new()
        {
            return argsparam.ToJObject(isToLower).ToEntity<T>();
        }


    }
}