using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Collections;
using System.Data;
using System.Net;
using System.Net.Mail;
using System.Configuration;
using System.Globalization;
using Wuqi.Webdiyer;
using System.Web;
using System.Web.Security;
using System.Security.Cryptography;
using Excel = Microsoft.Office.Interop.Excel;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Management;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Web.Script.Serialization;
using System.Threading.Tasks;
using Shell32;
namespace Mtxfw.Utility
{
    public class alilive
    {

        #region 返回公共请求参数
        public string Version = "2016-11-01";
        public string SignatureMethod = "HMAC-SHA1";
        public string SignatureVersion = "1.0";
        public string ResourceOwnerAccount = "fyd168882017";
        public string Format = "JSON";

        public string AppName = "agapp";
        /// <summary>
        /// 添加直播拉流配置信息
        /// </summary>
        /// <returns>RequestId</returns>
        public returnRequestId AddLivePullStreamInfoConfig(Config config, DateTime dt, string StreamName)
        {
            SortedDictionary<string, string> dic = new SortedDictionary<string, string>();
            dic.Add("Action", "AddLivePullStreamInfoConfig");
            dic.Add("AppName", AppName);
            dic.Add("DomainName", config.weblivedomain);
            dic.Add("StartTime", dt.ToString("yyyy-MM-ddTHH:mm:ssZ"));
            dic.Add("EndTime", dt.AddDays(1).ToString("yyyy-MM-ddTHH:mm:ssZ"));
            dic.Add("SourceUrl", config.weblivedomain);
            dic.Add("StreamName", StreamName);
            dic.Add("RegionId", "");
            dic.Add("Version", Version);
            dic.Add("AccessKeyId", config.AccessKeyId);
            dic.Add("SignatureMethod", SignatureMethod);
            dic.Add("Timestamp", dt.ToString("yyyy-MM-ddTHH:mm:ssZ"));
            dic.Add("SignatureVersion", SignatureVersion);
            dic.Add("SignatureNonce", new Guid().ToString());
            dic.Add("ResourceOwnerAccount", ResourceOwnerAccount);
            dic.Add("Format", Format);
            string Signature = BuildRequest(dic, config.AccessKeySecret);
            dic.Add("Signature", Signature);
            //获取过滤后的数组
            Dictionary<string, string> dicPara = new Dictionary<string, string>();
            dicPara = FilterPara(dic);
            string LinkString = CreateLinkString(dicPara);
            Mtxfw.Utility.Common.WriteHtml("/weixin/LinkString.txt", LinkString);
            returnRequestId r = new returnRequestId();
            return r;
        }

        public static string BuildRequest(SortedDictionary<string, string> sParaTemp, string AccessKeySecret)
        {
            //获取过滤后的数组
            Dictionary<string, string> dicPara = new Dictionary<string, string>();
            dicPara = FilterPara(sParaTemp);

            //组合参数数组
            string prestr = CreateLinkString(dicPara)+ "&key=" + AccessKeySecret;
       

            //获得加密结果
            string myMd5Str = Sha1Sign(prestr, Encoding.UTF8);

            //返回转换为大写的加密串
            return myMd5Str.ToUpper();
        }
        /// <summary>
        /// 除去数组中的空值和签名参数并以字母a到z的顺序排序
        /// </summary>
        /// <param name="dicArrayPre">过滤前的参数组</param>
        /// <returns>过滤后的参数组</returns>
        public static Dictionary<string, string> FilterPara(SortedDictionary<string, string> dicArrayPre)
        {
            Dictionary<string, string> dicArray = new Dictionary<string, string>();
            foreach (KeyValuePair<string, string> temp in dicArrayPre)
            {
                if (!string.IsNullOrEmpty(temp.Value))
                {
                    dicArray.Add(temp.Key, temp.Value);
                }
            }

            return dicArray;
        }
        //组合参数数组
        public static string CreateLinkString(Dictionary<string, string> dicArray)
        {
            StringBuilder prestr = new StringBuilder();
            foreach (KeyValuePair<string, string> temp in dicArray)
            {
                prestr.Append(temp.Key + "=" + temp.Value + "&");
            }

            int nLen = prestr.Length;
            prestr.Remove(nLen - 1, 1);

            return prestr.ToString();
        }

        /// <summary>
        /// SHA1加密
        /// </summary>
        /// <param name="content">待加密的字符串</param>
        /// <param name="encode">编码方式</param>
        /// <returns></returns>
        public static String Sha1Sign(String content, Encoding encode)
        {
            try
            {
                SHA1 sha1 = new SHA1CryptoServiceProvider();//创建SHA1对象
                byte[] bytes_in = encode.GetBytes(content);//将待加密字符串转为byte类型
                byte[] bytes_out = sha1.ComputeHash(bytes_in);//Hash运算
                sha1.Dispose();//释放当前实例使用的所有资源
                String result = BitConverter.ToString(bytes_out);//将运算结果转为string类型
                result = result.Replace("-", "").ToUpper();
                return result;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }
        #endregion



    }

    public class returnRequestId
    {
        public String RequestId { get; set; }
    }

}