using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using HZQR.Common;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Personnel.WebSite.Shanxi
{
    public class videoHelper
    {
        protected static string videoUrl = ConfigurationManager.AppSettings["videoUrl"].ToString();
        public static string url = videoUrl.Split('|')[0];//接口地址
        public static string username = videoUrl.Split('|')[1]; //测试账号
        public static string password = videoUrl.Split('|')[2];   //密码
        public static string token = "";//token,后续接口都需要用到

        /// <summary>
        /// 视频监控接口Post请求
        /// </summary>
        /// <param name="actionName">接口名称</param>
        /// <param name="parameters">参数</param>
        /// <returns></returns>
        public static string requestPost(string actionName,
            IDictionary<string, string> parameters, IDictionary<string, string> headParam = null)
        {
            string getUrl = url + actionName;
            //http请求
            string contentType = "application/json";
            string reString = HZQR.Common.HttpUtil.HttpUrlPost(getUrl, parameters, null, null, 3000, headParam, contentType);
            //JObject info = new JObject();
            //foreach (string key in parameters.Keys)
            //{
            //    info[key] = parameters[key];
            //}
            //string postDataStr = info.ToString();
            //string reString = HZQR.Common.Common.CommonHelper.HttpUrlPost(postDataStr, getUrl);
            return reString;
        }

        #region 方法 -> 取时间戳
        /// <summary>
        /// 取时间戳，高并发情况下会有重复。想要解决这问题请使用sleep线程睡眠1毫秒。
        /// </summary>
        /// <param name="AccurateToMilliseconds">精确到毫秒</param>
        /// <returns>返回一个长整数时间戳</returns>
        public static long GetTimeStamp(bool AccurateToMilliseconds = false)
        {
            if (AccurateToMilliseconds)
            {

                // 使用当前时间计时周期数（636662920472315179）减去1970年01月01日计时周期数（621355968000000000）除去（删掉）后面4位计数（后四位计时单位小于毫秒，快到不要不要）再取整（去小数点）。
                //备注：DateTime.Now.ToUniversalTime不能缩写成DateTime.Now.Ticks，会有好几个小时的误差。
                //621355968000000000计算方法 long ticks = (new DateTime(1970, 1, 1, 8, 0, 0)).ToUniversalTime().Ticks;
                return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000;
            }
            else
            {
                //上面是精确到毫秒，需要在最后除去（10000），这里只精确到秒，只要在10000后面加三个0即可（1秒等于1000毫米）。
                return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000;
            }
        }
        #endregion

        #region 方法 -> MD5转译
        public static string GetMD5(string str)
        {
            MD5 _MD5 = new MD5CryptoServiceProvider();
            byte[] t = _MD5.ComputeHash(Encoding.GetEncoding("utf-8").GetBytes(str));
            StringBuilder sb = new StringBuilder(32);
            for (int i = 0; i < t.Length; i++)
            {
                sb.Append(t[i].ToString("x").PadLeft(2, '0'));
            }
            return sb.ToString();
        }
        #endregion

        /// <summary>
        /// 登录接口
        /// </summary>
        /// <returns></returns>
        public static Models.VideoLogin LoginInfo(string Username = "", string Password = "")
        {
            Username = string.IsNullOrEmpty(Username) ? username : Username;
            Password = string.IsNullOrEmpty(Password) ? password : Password;
            Models.VideoLogin loginInfo = null;
            string actionName = "/service/video.login?";
            string timestamp = GetTimeStamp(true).ToString();//时间戳
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("ua={0}&pwd={1}&timestamp={2}", username, password, timestamp);
            string singStr = sb.ToString() + "zsxzHi87";
            string _Signstring = GetMD5(singStr);
            sb.AppendFormat("&sign={0}", _Signstring);
            string vedioLoginUrl = url + actionName + sb.ToString();
            string json = HttpUtil.HttpUrlGet(vedioLoginUrl);

            //接口请求失败
            if (json == "error")
            {
                //山西交研接口请求出错
                LogUtil.WriteLog(null, "post请求出错了,可能是由于您的网络环境差、不稳定或安全软件禁止访问网络，" +
                    "您可在网络好时或关闭安全软件在重新访问网络。", DateTime.Now.ToString("yyyyMMdd_") + "sxjs");
                return loginInfo;
            }

            JsonSerializer serializer = new JsonSerializer();
            StringReader sr = new StringReader(json);
            object o = serializer.Deserialize(new JsonTextReader(sr), typeof(Models.VideoLogin));
            loginInfo = o as Models.VideoLogin;
            //接口请求失败
            if (loginInfo.code != 200)
            {
                LogUtil.WriteLog(null, json, DateTime.Now.ToString("yyyyMMdd_") + "sxVideo");
                return loginInfo;
            }
            //登录成功
            return loginInfo;
        }

        /// <summary>
        /// 同步用户到视频系统
        /// </summary>
        /// <param name="Cmd">命令（1：添加；2：修改）</param>
        /// <param name="UName">用户姓名</param>
        /// <param name="UAccount">用户账号</param>
        /// <param name="Pwd">用户密码</param>
        /// <param name="PhoneNum">手机号码</param>
        /// <param name="UState">用户状态</param>
        public static Models.VideoResult SyncUser(int cmd, string userName,
            string userAccount, string password, string phoneNum, string state)
        {
            Models.VideoResult result = null;
            string token = LoginInfo().data.token;
            if (string.IsNullOrEmpty(token))
            {
                return result;
            }
            string actionName = "service/video.updateOrAddUser";

            //请求头
            IDictionary<string, string> headParam = new Dictionary<string, string>();
            headParam.Add("token", token);
            //参数
            IDictionary<string, string> parameters = new Dictionary<string, string>();
            parameters.Add("cmd", cmd.ToString());
            parameters.Add("userName", userName);
            parameters.Add("password", password);
            parameters.Add("userAccount", userAccount);
            parameters.Add("phoneNum", phoneNum);
            parameters.Add("state", state);

            string json = requestPost(actionName, parameters, headParam);

            JsonSerializer serializer = new JsonSerializer();
            StringReader sr = new StringReader(json);
            object o = serializer.Deserialize(new JsonTextReader(sr), typeof(Models.VideoResult));
            result = o as Models.VideoResult;
            return result;
        }

    }
}