using Newtonsoft.Json;
using System;
using System.IO;
using System.Net;
using System.Security.Cryptography;
using System.Text;

namespace HL_FristAidPlatform_Public
{
    public class Util
    {
        /// <summary>
        ///
        /// </summary>
        /// <param name="summaryValue">MD5计算值</param>
        /// <param name="serviceCode">业务代码</param>
        /// <param name="parameter">参数</param>
        /// <returns></returns>
        public static string GetECG(string summaryValue, string serviceCode, string parameter)
        {
            try
            {
                string guid = Guid.NewGuid().ToString();
                string authorKey = Information.Hospital.Ecg_AuthorKey;
                string appId = Information.Hospital.Ecg_AppId;
                string token = Information.Hospital.Ecg_Token;
                string Url = Information.Hospital.Ecg_URL;

                string postText = "header[authorKey]=" + authorKey + "&header[appId]=" + appId + "&header[token]=" + token + "&header[ssid]" +
                    "=" + guid + "&header[service]=" + serviceCode + "&header[summary]=" + summaryValue;
                postText += parameter;
                string responseString = Util.ECGPost(Url, postText);
                return responseString;
            }
            catch (Exception ex)
            {
                PublicClass.WriteErrorLog("Util", "GetECG：\r\n" + ex);
                return "";
            }
        }

        /// <summary>
        /// MD5加密
        /// </summary>
        /// <param name="text"></param>
        /// <returns></returns>
        public static string Encryption(string text)
        {
            try
            {
                //初始化MD5对象
                MD5 md5 = MD5.Create();
                //将源字符串转化为byte数组
                byte[] soucebyte = Encoding.UTF8.GetBytes(text);
                //soucebyte转化为mf5的byte数组
                byte[] md5bytes = md5.ComputeHash(soucebyte);
                //将md5的byte数组再转化为MD5数组
                StringBuilder sb = new StringBuilder();
                foreach (Byte b in md5bytes)
                {
                    //x表示16进制，2表示2位
                    sb.Append(b.ToString("x2"));
                }
                return sb.ToString();
            }
            catch (Exception ex)
            {
                PublicClass.WriteErrorLog("Util", "Encryption：\r\n" + ex);
                return "";
            }
        }

        /// <summary>
        /// Post
        /// </summary>
        /// <param name="url"></param>
        /// <param name="t"></param>
        /// <returns></returns>
        public static string ECGPost(string url, string postText)
        {
            try
            {
                var request = (HttpWebRequest)WebRequest.Create(url);
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
                //在转换字节时指定编码格式
                byte[] byteData = Encoding.UTF8.GetBytes(postText);
                var length = byteData.Length;
                request.ContentLength = length;
                var writer = request.GetRequestStream();
                writer.Write(byteData, 0, length);
                writer.Close();
                //接收数据
                var response = (HttpWebResponse)request.GetResponse();
                var responseString = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8")).ReadToEnd();
                return responseString;
            }
            catch (Exception ex)
            {
                PublicClass.WriteErrorLog("Util", "ECGPost：\r\n" + ex);
                return "";
            }
        }

        public static string ECGPostEncoding(string url, string postText)
        {
            try
            {
                var request = (HttpWebRequest)WebRequest.Create(url);
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
                //在转换字节时指定编码格式
                byte[] byteData = Encoding.UTF8.GetBytes(postText);
                var length = byteData.Length;
                request.ContentLength = length;
                var writer = request.GetRequestStream();
                writer.Write(byteData, 0, length);
                writer.Close();
                //接收数据
                var response = (HttpWebResponse)request.GetResponse();
                string responseString = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8")).ReadToEnd();
                responseString = JsonConvert.DeserializeObject(responseString).ToString();
                return responseString;
            }
            catch (Exception ex)
            {
                PublicClass.WriteErrorLog("Util", "ECGPost：\r\n" + ex);
                return "";
            }
        }

        public enum ServiceCode
        {
            /// <summary>
            /// 表示上传静态心电数据
            /// </summary>
            UPLOADEDATA,

            /// <summary>
            /// 表示获取心电图的判读和报告
            /// </summary>
            GETEREPORT,

            /// <summary>
            /// 提交心电医疗订单
            /// </summary>
            POSTMEDICALFORM,

            /// <summary>
            /// 查询心电片段截图（代理模式）
            /// </summary>
            QUERYHEARTPICBYPROXY,

            /// <summary>
            /// 查询心电图报告（代理模式）
            /// </summary>
            QUERYHEARTREPORTBYPROXY,

            /// <summary>
            /// 获取动态密钥
            /// </summary>
            GETTOKEN,

            /// <summary>
            /// 获取设备列表
            /// </summary>
            GETEQMTLIST,

            /// <summary>
            /// 通过代理商获取服务机构
            /// </summary>
            GETSERVICEORGLIST,

            /// <summary>
            /// 通过代理商获取动态报告
            /// </summary>
            GETDYNAMICREPORT,

            /// <summary>
            /// 通过代理商获取动态合同
            /// </summary>
            GETDYNAMICWARDSHIP,

            /// <summary>
            /// 通过代理商获取动态业务统计信息
            /// </summary>
            GETDYNAMICBSSTATIS,

            /// <summary>
            /// 上传存储报告记录
            /// </summary>
            UPLOADSTOREREPORT,

            /// <summary>
            /// 查询存储报告记录
            /// </summary>
            QUERYSTOREREPORT
        }
    }
}