using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OTSAlgrithm.Serialization
{
    public class JsonHelper
    {
        /// <summary>
        /// 将指定的对象序列化为JSON字符串。
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string Serialize(object obj)
        {
            string json = JsonConvert.SerializeObject(obj);

            return json;
        }

        public static string SerializeWithTypeName(object obj)
        {
            string json = JsonConvert.SerializeObject(obj, Formatting.Indented, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.All
            });

            return json;
        }

        /// <summary>
        /// 字符串序列化成对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="json"></param>
        /// <returns></returns>
        public static T Deserialize<T>(string json)
        {
            var obj = JsonConvert.DeserializeObject<T>(json);

            return obj;
        }

        public static T DeserializeWithTypeName<T>(string json)
        {
            Console.WriteLine(json);

            var obj = JsonConvert.DeserializeObject<T>(json, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.Auto
            });

            return obj;
        }

        public static T DeserializeFloatAsDecimal<T>(string json)
        {
            var obj = JsonConvert.DeserializeObject<T>(json, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.Auto,
                FloatParseHandling = FloatParseHandling.Decimal
            });

            return obj;
        }

        //public static string Format(string json)
        //{
        //    dynamic parsedJson = JsonConvert.DeserializeObject(json);
        //    return JsonConvert.SerializeObject(parsedJson, Formatting.Indented);
        //}

        /// <summary>
        /// 解析成JObject对象  Oliver add 2021-06-18
        /// </summary>
        /// <param name="json"></param>
        /// <returns></returns>
        public static bool ContainItem(string json, string itemName)
        {
            var obj = JObject.Parse(json);
            return obj[itemName] != null;
        }

        public static string ParseResultString(string restString)
        {
            try
            {
                return JObject.Parse(restString).GetValue("result").ToString();
            }
            catch
            { return ""; }
        }

        public static Dictionary<string, List<string>> ParseResultArray(string restString)
        {
            var dict = new Dictionary<string, List<string>>();
            try
            {
                var jobj = JObject.Parse(restString);
                var arr = jobj.GetValue("result").ToString().Split(';');
                foreach (var lv in arr)
                {
                    var files = new List<string>();
                    var jarr = JArray.Parse(jobj.GetValue(lv).ToString()).ToArray();
                    foreach (var f in jarr)
                    {
                        files.Add(f.ToString());
                    }
                    dict.Add(lv, files);
                }
                return dict;
            }
            catch
            { return dict; }
        }
    }
}