/******************************************************************************
 * 文件名称: InvokeHelper.cs
 * 文件说明: 调用助手，调用方法的封装
 * 当前版本: V1.0
 * 创建日期: 2022-04-12
 *
 * 2020-04-12: 增加 businessDLLInvoke 方法
 * 2020-04-12: 增加 writeLog 方法
 * 2020-04-14: 增加 businessDLLInvoke(重载) 方法
 * 2020-04-14: 增加 irisServiceInvoke 方法



******************************************************************************/
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using PTMedicalInsurance.Helper;
using Newtonsoft.Json;
using PTMedicalInsurance.Common;
using PTMedicalInsurance.Variables;

namespace PTMedicalInsurance.Helper
{
    class InvokeHelper
    {
        private string serviceURL;
        private string authorization;

        /// <summary>
        /// iris服务调用的封装
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeIrisService(string data, string serviceDesc)
        {
            string rtn = "", url = "";
            JObject joRtn = new JObject();
            try
            {
                //先根据用户请求的uri构造请求地址
                url = serviceURL;
                ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
                //创建Web访问对象
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
                //把用户传过来的数据转成“UTF-8”的字节流
                byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);
                //添加头部信息
                myRequest.Method = "POST";
                myRequest.ContentLength = buf.Length;
                myRequest.ContentType = "application/json";
                myRequest.Headers.Add("Authorization", authorization);
                myRequest.MaximumAutomaticRedirections = 1;
                myRequest.AllowAutoRedirect = true;
                //发送请求
                Stream stream = myRequest.GetRequestStream();
                stream.Write(buf, 0, buf.Length);
                stream.Close();
                //获取接口返回值
                //通过Web访问对象获取响应内容
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                //string rtn = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                rtn = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                reader.Close();
                myResponse.Close();
                joRtn = JObject.Parse(rtn);
                return joRtn;
            }
            catch (Exception ex)
            {
                joRtn = JsonHelper.setExceptionJson(-1, serviceDesc, ex.Message);
                rtn = JsonConvert.SerializeObject(joRtn);
                return joRtn;
            }
        }

        /// <summary>
        /// HIS服务调用的封装
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeHISService(string data, string serviceDesc)
        {
            JObject joRtn = new JObject();
            try
            {
                //先根据用户请求的uri构造请求地址
                serviceURL = string.Format("{0}/{1}", Global.hisConfig.ip, Global.hisConfig.url);
                authorization = Global.hisConfig.authorization;
                joRtn = invokeIrisService(data, serviceDesc);
                return joRtn;
            }
            catch (Exception ex)
            {
                joRtn = JsonHelper.setExceptionJson(-1, serviceDesc, ex.Message);
                return joRtn;
            }
            finally
            {
                Global.writeLog_Iris(serviceDesc + "(" + serviceURL + ")" + "Authorization:" + (authorization), JsonHelper.Compress(data), JsonHelper.Compress(joRtn));
            }
        }


        /// <summary>
        /// 医保平台服务调用的封装
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeInsuService(string data, string serviceDesc)
        {
            string rtn = "";
            JObject joRtn = new JObject();
            try
            {
                //先根据用户请求的uri构造请求地址
                serviceURL = string.Format("{0}/{1}", Global.insuConfig.ip, Global.insuConfig.url);
                authorization = Global.insuConfig.authorization;
                joRtn = invokeIrisService(data, serviceDesc);
                rtn = JsonConvert.SerializeObject(joRtn);
                return joRtn;
            }
            catch (Exception ex)
            {
                joRtn = JsonHelper.setExceptionJson(-1, serviceDesc, ex.Message);
                rtn = JsonConvert.SerializeObject(joRtn);
                return joRtn;
            }
            finally
            {
                Global.writeLog_Iris(serviceDesc + "(" + serviceURL + ")" + "Authorization:" + (authorization), JsonHelper.Compress(data), rtn);
            }
        }

        private JObject invokeCenterService(string data)
        {
            string postContent = "";
            JObject joRtn = new JObject();
            try
            {
                //创建一个HTTP请求  
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Global.curEvt.URL);
                //Post请求方式  
                request.Method = "POST";
                //内容类型
                request.ContentType = "application/json";
                String stamp = TimeStamp.get13().ToString();
                string apiName = Global.curEvt.URL.Substring(Global.curEvt.URL.Length - 12);
                //南昌增加头部信息
                string sTemp = "_api_access_key=" + Global.inf.AK
                         + "&_api_name=" + apiName
                         + "&_api_timestamp=" + stamp
                         + "&_api_version=" + "1.0.0";
                string signature = Encrypt.ToBase64hmac(sTemp,Global.inf.SK);
                //Global.writeLog(sTemp);
                //Global.writeLog(Global.inf.SK);
                //Global.writeLog(signature);

                request.Headers.Add("_api_version", "1.0.0");
                request.Headers.Add("_api_timestamp", stamp);
                request.Headers.Add("_api_name",apiName);
                request.Headers.Add("_api_signature", signature);
                request.Headers.Add("_api_access_key", Global.inf.AK);



                //设置参数，并进行URL编码 
                string paraUrlCoded = data;//System.Web.HttpUtility.UrlEncode(jsonParas);   
                byte[] payload;
                //将Json字符串转化为字节  
                payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);
                //设置请求的ContentLength   
                request.ContentLength = payload.Length;
                //发送请求，获得请求流 
                Stream writer;
                writer = request.GetRequestStream();//获取用于写入请求数据的Stream对象
                                                    //将请求参数写入流
                writer.Write(payload, 0, payload.Length);
                writer.Close();//关闭请求流
                               // String strValue = "";//strValue为http响应所返回的字符流
                HttpWebResponse response;
                try
                {
                    //获得响应流
                    response = (HttpWebResponse)request.GetResponse();
                }
                catch (WebException ex)
                {
                    response = ex.Response as HttpWebResponse;
                    return JsonHelper.setExceptionJson(-99, "centerServeiceInvok中获得响应流异常", ex.Message);
                }
                Stream s = response.GetResponseStream();
                StreamReader sRead = new StreamReader(s);
                postContent = sRead.ReadToEnd();
                sRead.Close();
                joRtn = JObject.Parse(postContent);//返回Json数据
                return joRtn;
            }
            catch (Exception ex)
            {
                postContent = "调用中心服务异常" + ex.Message;
                joRtn.Add("infcode", -1);
                joRtn.Add("err_msg", "invokeCenterService(1):" + ex.Message);
                return joRtn;
            }
        }

        public JObject invokeCenterService(string funNO, JObject data)
        {
            JObject joRtn = new JObject();
            String outPar = "";
            try
            {
                Global.curEvt.URL = Global.inf.centerURL + "/hsa-fsi-" + funNO;
                joRtn = invokeCenterService(data.ToString());
                outPar = JsonHelper.Compress(joRtn);
                return joRtn;
            }
            catch (Exception ex)
            {

                joRtn.Add("infcode", -1);
                joRtn.Add("err_msg", "invokeCenterService(2):" + ex.Message);
                outPar = JsonHelper.Compress(joRtn);
                return joRtn;
            }
            finally
            {
                Global.writeLog(funNO + "(" + Global.curEvt.URL + ")", JsonHelper.Compress(data), joRtn.ToString());
                this.saveCenterLog(JsonHelper.Compress(data), outPar);
            }
        }


        public JObject invokeCenterService(string funNO, string data)
        {
            JObject joRtn = new JObject();
            String outPar = "";
            try
            {
                Global.curEvt.URL = Global.inf.centerURL+ "/hsa-fsi-" + funNO;
                joRtn = invokeCenterService(data);
                outPar = JsonHelper.Compress(joRtn);
                return joRtn;
            }
            catch (Exception ex)
            {

                joRtn.Add("infcode", -1);
                joRtn.Add("err_msg", "invokeCenterService(3):" + ex.Message);
                outPar = JsonHelper.Compress(joRtn);
                return joRtn;
            }
            finally
            {
                Global.writeLog(funNO + "(" + Global.curEvt.URL + ")", JsonHelper.Compress(data), outPar);
                this.saveCenterLog(data, outPar);
            }
        }

        

        public JObject DownloadCenterFile(string data)
        {
            string error = string.Empty; int errorCode = 0;
            string sRtn = "";
            try
            {
                JObject jsonInParam = JObject.Parse(data);
                string fileName = (string)jsonInParam["input"]["fsDownloadIn"]["filename"];
                string filePath = System.Environment.CurrentDirectory + "\\Download\\" + fileName;
                //如果不存在目录，则创建目录
                if (!Directory.Exists(System.Environment.CurrentDirectory + "\\Download"))
                {
                    //创建文件夹
                    DirectoryInfo dirInfo = Directory.CreateDirectory(System.Environment.CurrentDirectory + "\\Download");
                }
                if (File.Exists(filePath))
                {
                    File.Delete(filePath);
                }
                FileStream fs = new FileStream(filePath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
                //创建一个HTTP请求  
                Global.curEvt.URL = Global.inf.centerURL + "/hsa-fsi-9102";
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Global.curEvt.URL);
                //Post请求方式  
                request.Method = "POST";
                //内容类型
                request.ContentType = "application/json";
                String stamp = TimeStamp.get13().ToString();
                string apiName = Global.curEvt.URL.Substring(Global.curEvt.URL.Length - 12);
                //南昌增加头部信息
                string sTemp = "_api_access_key=" + Global.inf.AK
                         + "&_api_name=" + apiName
                         + "&_api_timestamp=" + stamp
                         + "&_api_version=" + "1.0.0";
                string signature = Encrypt.ToBase64hmac(sTemp, Global.inf.SK);
                //Global.writeLog(sTemp);
                //Global.writeLog(Global.inf.SK);
                //Global.writeLog(signature);

                request.Headers.Add("_api_version", "1.0.0");
                request.Headers.Add("_api_timestamp", stamp);
                request.Headers.Add("_api_name", apiName);
                request.Headers.Add("_api_signature", signature);
                request.Headers.Add("_api_access_key", Global.inf.AK);
                //设置参数，并进行URL编码 
                string paraUrlCoded = data;//System.Web.HttpUtility.UrlEncode(jsonParas);   
                byte[] payload;
                //将Json字符串转化为字节  
                payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);
                //设置请求的ContentLength   
                request.ContentLength = payload.Length;
                Stream writer;
                try
                {
                    writer = request.GetRequestStream();//获取用于写入请求数据的Stream对象
                }
                catch (Exception)
                {
                    writer = null;
                    errorCode = -100;
                    error = "连接服务器失败!";
                }
                //将请求参数写入流
                writer.Write(payload, 0, payload.Length);
                writer.Close();//关闭请求流
                               // String strValue = "";//strValue为http响应所返回的字符流
                //发送请求并获取相应回应数据
                HttpWebResponse response = request.GetResponse() as HttpWebResponse;
                //直到request.GetResponse()程序才开始向目标网页发送Post请求
                Stream responseStream = response.GetResponseStream();
                //创建本地文件写入流
                byte[] bArr = new byte[1024];
                int iTotalSize = 0;
                int size = responseStream.Read(bArr, 0, (int)bArr.Length);
                while (size > 0)
                {
                    iTotalSize += size;
                    fs.Write(bArr, 0, size);
                    size = responseStream.Read(bArr, 0, (int)bArr.Length);
                }
                fs.Close();
                responseStream.Close();
                dynamic joReturn = new JObject();
                joReturn.errorCode = errorCode;
                joReturn.error = error;
                joReturn.filePath = filePath;
                sRtn = joReturn.ToString();
                return joReturn;
            }
            catch (Exception ex)
            {
                errorCode = -100;
                error = ex.Message;
                dynamic joReturn = new JObject();
                joReturn.errorCode = errorCode;
                joReturn.error = error;
                sRtn = joReturn.ToString();
                return joReturn;
            }
            finally
            {
                Global.writeLog("DownloadCenterFile" +"(" + Global.curEvt.URL + ")", data, sRtn);
            }



        }



        /// <summary>
        /// 保存中心交易日志到数据库
        /// </summary>
        /// <param name="inParam"></param>
        /// <param name="outParam"></param>
        private void saveCenterLog(string inParam, string outParam)
        {
            dynamic joIris = new JObject();
            string sRtn = "";
            try
            {
                //解析postContent,插入医保交易日志表
                JObject joIn = new JObject(JObject.Parse(inParam));
                JObject joOut = new JObject(JObject.Parse(outParam));
                JArray jaParams = new JArray();
                JObject joParam = new JObject();
                joParam.Add("inParam", JObject.FromObject(joIn));
                joParam.Add("outParam", JObject.FromObject(joOut));
                joParam.Add("HospitalDr", Global.inf.hospitalDr);
                joParam.Add("InterfaceDr", Global.inf.interfaceDr);
                joParam.Add("updateUserID", Global.user.ID);
                joParam.Add("psn_no", Global.pat.psn_no);
                jaParams.Add(joParam);
                joIris.code = "09010021";
                joIris.Add("params", jaParams);
                //InvokeHelper invoker = new InvokeHelper();
                sRtn = invokeInsuService(joIris.ToString(), "保存日志到数据库").ToString();
            }
            catch (Exception ex)
            {
                sRtn = JsonHelper.setExceptionJson(-100, "保存日志异常", ex.Message).ToString();
            }
        }


    }
}