using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Transfer.Controllers
{
    public class TransferController : ApiController
    {
        [HttpPost]
        public HttpResponseMessage Transfer(HttpRequestMessage request)
        {
            string postStr = request.Content.ReadAsStringAsync().Result;

            ApiParam param = JsonConvert.DeserializeObject<ApiParam>(postStr);

            string json= "{\"success\":false,\"errorCode\":\"500\",\"errorMessage\":\"參數有誤\"}";

            if (param.Uri == "")
            {
                return new HttpResponseMessage { Content = new StringContent(json, System.Text.Encoding.UTF8, "application/json") };
            }

            json = TransferManager.Instance.TrasferRequest(param);

            try
            {
                JObject jobj = JsonConvert.DeserializeObject<JObject>(json);//把上面的json字符串初步轉換為 Jobject對象
                //Newtonsoft.Json.Linq.JObject jobj = obj as Newtonsoft.Json.Linq.JObject;//把上面的obj轉換為 Jobject對象

                //進一步深度解析復雜json字符串為json通用對象
                jobj = ExtractObj(jobj);

                return Request.CreateResponse(HttpStatusCode.OK, jobj);
            }
            catch(Exception ex)
            {
                json = "{\"success\":false,\"errorCode\":\"500\",\"errorMessage\":\"請求接口失?。?/span>" + json + "\"}";

                Object obj = JsonConvert.DeserializeObject(json);
                Newtonsoft.Json.Linq.JObject jobj = obj as Newtonsoft.Json.Linq.JObject;//把上面的obj轉換為 Jobject對象

                return Request.CreateResponse(HttpStatusCode.OK, jobj);
            }
            //return new HttpResponseMessage { Content = new StringContent(json, System.Text.Encoding.UTF8, "application/json"),StatusCode= HttpStatusCode.OK };
        }

        /// <summary>
        /// 深度解析復雜json字符串為json通用對象
        /// </summary>
        /// <param name="job"></param>
        /// <returns></returns>
        public static JObject ExtractObj(JObject job)
        {
            foreach (var item in job)
            {
                try
                {
                    //得到鍵當前值
                    string itemStr = item.Value.ToString();
                    if(itemStr.StartsWith("["))
                    {
                        //數組只能用數組的轉換對象進行轉換
                        JArray itemJArrObj= JsonConvert.DeserializeObject<JArray>(itemStr);
                        //遞歸調用
                        JArray rArrobj = ExtractArrObj(itemJArrObj);
                        //為當前鍵更新為對象值
                        job[item.Key] = rArrobj;
                    }
                    else
                    {
                        //嘗試轉化為對象（可能失?。?/span>
                        JObject itemJObj = JsonConvert.DeserializeObject<JObject>(itemStr);
                        //遞歸調用
                        JObject robj = ExtractObj(itemJObj);
                        //為當前鍵更新為對象值
                        job[item.Key] = robj;
                    }
                    
                }
                catch
                {
                }
            }
            return job;
        }

　　　　　//針對json中的數組進行處理
        public static JArray ExtractArrObj(JArray jarr)
        {
            foreach(var item in jarr)
            {
                //得到當前值
                string itemStr = item.ToString();

                //嘗試轉化為對象（可能失?。?/span>
                JObject itemJObj = JsonConvert.DeserializeObject<JObject>(itemStr);
                //遞歸調用
                JObject robj = ExtractObj(itemJObj);
            }

            return jarr;
        }
    }
}