using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Text;
using System.Threading.Tasks;
using TEAMModelOS.SDK;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models;
namespace TEAMModelOS.SDK
{
    public class ThirdApisService
    {
       
        private readonly HttpClient _httpClient;
        public ThirdApisService(HttpClient httpClient)
        {
            _httpClient = httpClient;
        }
        public async   Task<ScsResult> Post(string url, string Code, string PassKey,string privateKey, Dictionary<string ,object> data)
        {
            string result = "";
            HttpResponseMessage response=null;
            try {
                string json = data.ToJsonString();
                string Content = AESHelper.AESEncrypt(json, privateKey);
                string paramStr = "Code={0}&PassKey={1}&Content={2}";
                string sendMsg = string.Format(paramStr, Code, PassKey, Content);
                #region 签名 Signature
                SortedDictionary<string, string> signatureDC = new SortedDictionary<string, string>();
                var timeSpan = (DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0));
                signatureDC["t"] = timeSpan.TotalMilliseconds.ToString();
                signatureDC["Code"] = Code;
                signatureDC["PassKey"] = PassKey;
                string signatureStr = signatureDC.ToJsonString();
                string signature = AESHelper.AESEncrypt(signatureStr, privateKey);
                #endregion
             
                _httpClient.DefaultRequestHeaders.Add("Signature", signature);
                using (var request = new HttpRequestMessage())
                {
                    request.Method = new HttpMethod("POST");
                    request.RequestUri = new Uri(url);
                    request.Content = new StringContent(sendMsg);
                    request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
                    response = await _httpClient.SendAsync(request);
                    result = await response.Content.ReadAsStringAsync();
                }
                ScsResult scsResult = result.ToObject<ScsResult>();
                if (scsResult.result)
                {
                    scsResult.content = AESHelper.AESDecrypt(scsResult.content, privateKey);

                }
                else {
                    scsResult.content = AESHelper.AESDecrypt(scsResult.content, privateKey);
                }
                return scsResult;
            } catch (Exception ex ) {
                throw new Exception($"{ex.Message}\n{ex.StackTrace}\n\n{data.ToJsonString()}\n{url}\n {Code}\n{PassKey}\n{privateKey}\n{response?.StatusCode}\n{response?.Content}\n{result}");
            }
            
        }

    }
   
}