using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Song.Entities;
using Song.ServiceInterfaces;
using Song.ViewData.Attri;
using WeiSha.Core;
using Newtonsoft.Json.Linq;
using System.Security.Cryptography;

namespace Song.ViewData.Methods
{
 /// <summary>
 /// 雪花id的相关处理,实际业务中用不到
 /// </summary>
 [HttpPut, HttpGet,HttpPost]
 public class Snowflake : ViewMethod, IViewAPI
 {
 /// <summary>
 /// 生成雪花id
 /// </summary>
 /// <param name="count"></param>
 /// <returns></returns>
 public string GenerateTest(int count)
 {
 for (int i = 0; i < count; i++)
 {
 long snowid = WeiSha.Core.Request.SnowID();

 }
 return "生成 " + count + "个ID,这里仅是为了测试生成速度,请查看 execspan 值(单位 毫秒)";
 }
 /// <summary>
 /// 生成雪花id
 /// </summary>
 /// <returns></returns>
 public string Generate()
 {
 long snowid = WeiSha.Core.Request.SnowID();
 return snowid.ToString();
 }

 /// <summary>
 /// 测试md5加密的新旧方法
 /// </summary>
 /// <param name="str"></param>
 /// <returns></returns>
 public JObject testmd5(string str)
 {
 JObject jo = new JObject();
 //MD5加密
 System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
 byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
 string pwd = string.Empty;
 for (int i = 0; i < s.Length; i++)
 pwd = pwd + s[i].ToString("x2");
 jo.Add("MD5", pwd);
 //
 // 创建 SHA-256 哈希算法实例
 using (SHA256 sha256 = SHA256.Create())
 {
 // 将数据转换为字节数组
 byte[] dataBytes = Encoding.UTF8.GetBytes(str);
 // 执行哈希计算
 byte[] hashBytes = sha256.ComputeHash(dataBytes);
 // 将哈希结果转换为字符串或其他格式
 string hashString = BitConverter.ToString(hashBytes).Replace("-", "");
 jo.Add("hashString", hashString);
 }
 return jo;
 }
 public string testSHA256(string str)
 {
 string hashString = string.Empty;
 // 创建 SHA-256 哈希算法实例
 using (SHA256 sha256 = SHA256.Create())
 {
 // 将数据转换为字节数组
 byte[] dataBytes = Encoding.UTF8.GetBytes(str);
 // 执行哈希计算
 byte[] hashBytes = sha256.ComputeHash(dataBytes);
 // 将哈希结果转换为字符串或其他格式
 hashString = BitConverter.ToString(hashBytes).Replace("-", ""); 
 }
 return hashString;
 }
 /// <summary>
 /// 获取地理位置信息
 /// </summary>
 /// <returns></returns>
 public JObject GetLBS()
 {
 JObject jo = new JObject();
 //来自客户端的经纬度信息
 Letter letter = this.Letter;
 decimal lng = letter.Longitude, lat = letter.Latitude;
 jo.Add("lng", lng);
 jo.Add("lat", lat);
 //IP相关数据
 WeiSha.Core.Param.Method.Position posi = WeiSha.Core.Request.Position();
 JObject ipobject = (JObject)JToken.FromObject(posi);
 jo.Add("ip", ipobject);
 //posi.Longitude

 //通过经纬度
 WeiSha.Core.Param.Method.Position geo = WeiSha.Core.Request.Position(lng, lat);
 JObject geoObj = (JObject)JToken.FromObject(geo);
 jo.Add("geo", geoObj);
 //jo.Add("ip_lng", posi.Latitude);
 //jo.Add("ip_lat", posi.Latitude);
 //jo.Add("ip", posi.Latitude);
 //jo.Add("province", posi.Province);
 //jo.Add("city", posi.City);
 //jo.Add("district", posi.District);

 return jo;
 }

 public JObject TextSessionID()
 {

 System.Web.HttpContext _context = System.Web.HttpContext.Current;
 string httpcontext = _context.Items["SessionID"].ToString();
 JObject jo = new JObject();
 jo.Add("httpcontext", httpcontext);
 Letter letter = this.Letter;
 //jo.Add("letter", (JObject)JToken.FromObject(letter));
 jo.Add("letter", letter.SessionID);
 return jo;
 }
 public List<string> LetterIDList()
 {
 List<Letter> letters = LetterBox.Collects();
 List<string> list = new List<string>();
 foreach (Letter letter in letters)
 {
 list.Add(letter.SessionID);
 }
 return list;
 }
 }
}