/******************************************************************************
 * 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;
using System.Runtime.InteropServices;
using PTMedicalInsurance.Forms;

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

        public InvokeHelper()
        {
            LoadCenterURL(false);
        }


        private void LoadCenterURL(bool reloadFromCfgFile)
        {
            IniFile ini = new IniFile(Global.curEvt.path + @"\CenterServiceURL.ini");
            // 默认采用的是后台配置的地址
            if (reloadFromCfgFile)
            {
                Global.inf.centerURL = ini.ReadValue("CENTER", "url");
                Global.inf.uploadURL = ini.ReadValue("CENTER", "upload");
                Global.inf.downURL = ini.ReadValue("CENTER", "download");
                Global.inf.ecURL = ini.ReadValue("CENTER", "ecToken");
            }
            Global.inf.mobilePayURL = ini.ReadValue("CENTER", "mobilePay");
            Global.inf.ecPrescURL = ini.ReadValue("CENTER", "prescription");
            // 移动支付
            if (string.IsNullOrEmpty(Global.inf.mobilePayURL))
            {
                Global.inf.mobilePayURL = "http://10.77.224.18:9001/CSB/hsa-fsi-no";
            }
            // 电子处方
            if (string.IsNullOrEmpty(Global.inf.ecPrescURL))
            {
                Global.inf.ecPrescURL = "http://10.77.245.22:9001/epc/api";
            }
        }


        /// <summary>
        /// API密钥
        /// </summary>
        private void LoadAPIKey(string prefix)
        {
            //获取AK，SK(可配置)
            IniFile urlIni = new IniFile(Global.curEvt.path + @"\EncrypInfo.ini");
            string ak = urlIni.ReadValue(prefix, "AK");
            string sk = urlIni.ReadValue(prefix, "SK");
            if (!string.IsNullOrEmpty(ak) && !string.IsNullOrEmpty(sk))
            {
                Global.inf.AK = ak;
                Global.inf.SK = sk;
            }
        }

        /// <summary>
        /// 核心接口密钥
        /// </summary>
        private void LoadCoreAPIKey()
        {
            LoadAPIKey("KEY");
        }
        /// <summary>
        /// 移动支付密钥
        /// </summary>
        private void LoadMobileAPIKey()
        {
            LoadAPIKey("MOBILE");
        }


        #region 内部服务调用

        /// <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();
                rtn = getResponseData(myResponse);
                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);

                //if (serviceDesc == "插入签到信息")
                //{
                //    MessageBox.Show("插入签到信息入参：" + data +"|返回值："+ rtn.ToString()+"|"+ Global.insuConfig.url);
                //}

                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 string getResponseData(HttpWebResponse response)
        {
            string data = "";
            if (response != null)
            {
                Stream s = response.GetResponseStream();
                StreamReader sRead = new StreamReader(s);
                data = sRead.ReadToEnd();
                sRead.Close();
                response.Close();
            }
            return data;
        }

        #endregion

        #region 医保中心调用

        /// <summary>
        /// 仅辅助交易、自定义交易使用
        /// </summary>
        /// <param name="funNo"></param>
        /// <param name="joInput"></param>
        /// <returns></returns>
        public JObject invokeCenterAgentService(string funNo, JObject joInput)
        {
            if (Global.curEvt.testMode)
            {
                // 医保测试环境
                LoadCenterURL(true);
            }
            Global.curEvt.URL = Global.inf.centerURL + funNo;

            string data = JsonHelper.setCenterInpar(funNo, joInput);
            return invokeCenterService(data);
        }

        private JObject invokeCenterService(string data, ModeEnum mode = ModeEnum.REST)
        {
            JObject joRtn = new JObject();
            try
            {
                IInvokeCenter center = new InvokeCenterFactory().create(mode);
                string outputData = "";
                string errMsg = "";
                int iInt = center.Init(ref errMsg);
                if (iInt == 0)
                {
                    LoadCoreAPIKey();
                    iInt = center.Business(data, ref outputData, ref errMsg);
                    if (iInt == 0 && !string.IsNullOrEmpty(outputData))
                    {
                        try
                        {
                            joRtn = JObject.Parse(outputData);
                        }
                        catch (Exception ex)
                        {
                            joRtn.Add("infcode", iInt);
                            joRtn.Add("err_msg", "返回参数异常:" + outputData);
                        }
                    }
                    else
                    {
                        joRtn.Add("infcode", iInt);
                        joRtn.Add("err_msg", outputData);
                        return joRtn;
                    }
                    return joRtn;
                }
                else
                {
                    joRtn.Add("infcode", -1);
                    joRtn.Add("err_msg", "医保动态库初始化失败invokeInitByDLL:" + errMsg);
                    return joRtn;
                }
            }
            finally
            {
                Global.writeLog("调用中心:", JsonHelper.Compress(data), joRtn.ToString());
                // 保存到服务器
                this.saveCenterLog(JsonHelper.Compress(data),joRtn.ToString(), JsonHelper.Compress(data), joRtn.ToString());
            }
        }

        private void prepareCallURI(TradeEnum trade)
        {
            string funNo = trade.GetCode() ;
            Global.curEvt.funNo = funNo;

            if (Global.curEvt.testMode)
            {
                // 医保测试环境
                LoadCenterURL(true);
            }


            string prefix = Global.inf.centerURL;
            switch (trade)
            {
                case TradeEnum.FileUpload:
                    prefix = Global.inf.uploadURL??Global.inf.centerURL;
                    break;
                case TradeEnum.FileDownload:
                    prefix = Global.inf.downURL;
                    break;
                default:
                    prefix = Global.inf.centerURL;
                    break;
            }
           
            // 根据情况确实是否需要加funNo
            Global.curEvt.URL = prefix + Global.curEvt.funNo;
        }

        /// <summary>
        /// 通过枚举转换要调用的接口
        /// </summary>
        /// <param name="trade"></param>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeCenterService(TradeEnum trade, JObject joInput)
        {
            string funNo = trade.GetCode();
            // 入参统一转换
            JObject request = Utils.ConvertRequest<JObject>(trade,joInput);

            string data = JsonHelper.toJsonString(request);
            // 统一封装请求头
            if (trade.GetMode() == ModeEnum.REST)
            {
                data = JsonHelper.setCenterInpar(funNo, request);
            }
            JObject joRtn = new JObject();
            // 调试模式
            if (Global.curEvt.enabledDebug)
            {
                CenterResult center = new CenterResult();
                center.setTradeNo(trade.GetCode(), data);
                if (center.ShowDialog() == DialogResult.OK)
                {
                    // 接口实际返回数据
                    string outPar = center.returnData;
                    joRtn = JObject.Parse(outPar);
                }
            }
            else
            {
                prepareCallURI(trade);
                joRtn = invokeCenterService(data, trade.GetMode());
            }

            // 返回结果统一转换
            joRtn = Utils.ConvertResponse<JObject>(trade,joRtn);

            return joRtn;
        }

        /// <summary>
        /// 医保目录txt文件下载
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject DownloadCenterFile(string data, ModeEnum mode = ModeEnum.REST)
        {
            //download file
            IInvokeCenter center = new InvokeCenterFactory().create(mode);
            string outputMsg = "";
            JObject joRtn = new JObject();
            int rtnCode = center.DownloadFile(data, ref outputMsg);
            if(rtnCode==0)
            {
                joRtn = JObject.Parse(outputMsg);
            }
            else
            {
                joRtn.Add("infcode", -1);
                joRtn.Add("err_msg", "下载文件失败DownloadFile:" + outputMsg);
            }
            return joRtn;
        }

        #endregion


        #region 移动
        /// <summary>
        /// 移动
        /// </summary>
        /// <param name="funNO"></param>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeMPService(string funNO, string data)
        {
            return invokeMPService(funNO, JObject.Parse(data));
        }
        public JObject invokeMPService(string funNO, JObject joInput)
        {
            JObject joRtn = new JObject();
            String outPar = "";
            try
            {
                string url = "";
                //switch (funNO)
                //{
                //    case "6201":
                //        url = "/org/local/api/hos/uldFeeInfo";
                //        break;
                //    case "6202":
                //        url = "/org/local/api/hos/pay_order";
                //        break;
                //    case "6203":
                //        url = "/org/local/api/hos/refund_Order";
                //        break;
                //    case "6301":
                //        url = "/org/local/api/hos/query_order_info";
                //        break;
                //    case "6401":
                //        url = "/org/local/api/hos/revoke_order";
                //        break;
                //    default:
                //        break;
                //}
                EncryptHelper encrypt = new EncryptHelper();
                string data = JsonHelper.setMPCenterInpar(funNO, joInput);
                // 移动支付地址
                Global.curEvt.URL = Global.inf.mobilePayURL + funNO;

                string outputData = "", errMsg = "";

                // 动态调试模式
                if (Global.curEvt.enabledDebug)
                {
                    CenterResult center = new CenterResult();
                    center.setTradeNo(funNO,data);
                    if (center.ShowDialog() == DialogResult.OK)
                    {
                        outPar = center.returnData;
                        return JObject.Parse(outPar);
                    }
                }

                try
                {
                    InvokeRestCenter mobileCenter = new InvokeRestCenter();
                    LoadMobileAPIKey();

                    int iInt = mobileCenter.Business(data, ref outputData, ref errMsg);
                    joRtn = JObject.Parse(outputData);

                    Global.writeLog(funNO + "【密文出参】:\r\n" + joRtn.ToString());

                    string encData = JsonHelper.getDestValue(joRtn, "encData");
                    string signData = JsonHelper.getDestValue(joRtn, "signData");
                    if (!string.IsNullOrEmpty(encData) && !string.IsNullOrEmpty(signData))
                    {
                        joRtn.Remove("encData");
                        joRtn.Remove("signData");
                        joRtn.Remove("data");
                        //解密
                        string decData = encrypt.decrypt(encData);
                        // 验签
                        JsonConvert.DefaultSettings = () => new JsonSerializerSettings
                        {
                            FloatParseHandling = FloatParseHandling.Decimal
                        };
                        joRtn.Add("data", JToken.FromObject(JsonConvert.DeserializeObject(decData)));

                        bool rtn = encrypt.verify(joRtn, signData);
                        if (rtn)
                        {
                            Global.writeLog(funNO + "【明文出参】:\r\n" + decData);

                            joRtn = JObject.Parse(decData);
                            joRtn.Add("success", "True");
                        }
                        else
                        {
                            Global.writeLog("验签失败，请核查!");
                        }
                    }

                    return joRtn;

                }
                finally
                {
                    string plainData = data;
                    data = JsonHelper.setCenterInpar(funNO,JObject.Parse(data));
                    this.saveCenterLog(JsonHelper.Compress(data), joRtn.ToString(), JsonHelper.Compress(plainData), joRtn.ToString());
                }

            }
            catch (Exception ex)
            {
                if (joRtn["infcode"] == null)
                { joRtn.Add("infcode", -1); }
                if (joRtn["err_msg"] == null)
                { joRtn.Add("err_msg", "invokeCenterService(3):" + ex.Message); }
                outPar = JsonHelper.Compress(joRtn);
                return joRtn;
            }
            finally
            {
                Global.writeLog(funNO + "(" + Global.curEvt.URL + ")", joInput.ToString(), joRtn.ToString());
                this.saveCenterLog(joInput.ToString(), joRtn.ToString(), joInput.ToString(), joRtn.ToString());
            }
        }
        /// <summary>
        /// 保存中心交易日志到数据库
        /// </summary>
        /// <param name="inParam"></param>
        /// <param name="outParam"></param>
        /// <param name="inParamPlain"></param>
        /// <param name="outParamPlain"></param>
        private void saveCenterLog(string inParam, string outParam, string inParamPlain, string outParamPlain)
        {
            dynamic joIris = new JObject();
            string sRtn = "";
            try
            {
                //解析postContent,插入医保交易日志表
                JObject joInParam = new JObject(JObject.Parse(inParam));
                //解包
                JObject joIn = Utils.removeWrapper(joInParam);

                JObject joOut = new JObject(JObject.Parse(outParam));
                JObject joInPlain = new JObject(JObject.Parse(inParamPlain));
                JObject joOutPlain = new JObject(JObject.Parse(outParamPlain));
                JArray jaParams = new JArray();
                JObject joParam = new JObject();
                joParam.Add("inParam", JObject.FromObject(joIn));
                joParam.Add("outParam", JObject.FromObject(joOut));
                joParam.Add("inParamPlain", JObject.FromObject(joInPlain));
                joParam.Add("outParamPlain", JObject.FromObject(joOutPlain));

                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();
                Global.writeLog_Iris("保存日志异常:" + sRtn.ToString());
            }
        }

        #endregion


        #region 电子处方

        /// </summary>
        /// <param name="funNO"></param>
        /// <param name="data"></param>
        /// <returns></returns>
        public JObject invokeEPCenterService(string funNO, string data)
        {
            JObject joRtn = new JObject();
            string outPar = "";
            try
            {
                Global.curEvt.URL = Global.inf.ecPrescURL;
                switch (funNO)
                {
                    case "7101":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/uploadChk";
                            break;
                        }
                    case "7102":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxFixmedinsSign";
                            break;
                        }
                    case "7103":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxFileUpld";
                            break;
                        }
                    case "7104":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxUndo";
                            break;
                        }
                    case "7105":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/hospRxDetlQuery";
                            break;
                        }
                    case "7106":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxChkInfoQuery";
                            break;
                        }
                    case "7107":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxSetlInfoQuery";
                            break;
                        }
                    case "7108":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxChkInfoCallback";
                            break;
                        }
                    case "7109":
                        {
                            Global.curEvt.URL = Global.curEvt.URL + "/fixmedins/rxSetlInfoCallback";
                            break;
                        }
                }
                //Global.curEvt.URL = Global.inf.centerURL;
                joRtn = invokeEPCenterService(data);
                outPar = JsonHelper.Compress(joRtn);

                return joRtn;
            }
            catch (Exception ex)
            {
                if (joRtn["infcode"] == null)
                { joRtn.Add("infcode", -1); }
                if (joRtn["err_msg"] == null)
                { joRtn.Add("err_msg", "invokeCenterServicePresCir(3):" + 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, JsonHelper.Compress(data), outPar);
            }
        }

        /// <summary>
        /// 医保电子处方流转调用服务
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        private JObject invokeEPCenterService(string data)
        {
            string postContent = "";
            JObject joRtn = new JObject();
            try
            {
                string timestamp = TimeStamp.get13().ToString();  //当前时间戳（秒）
                string nonce = Guid.NewGuid().ToString();         //非重复的随机字符串（十分钟内不能重复）

                //内容类型                
                //Signer signer = new Signer();
                //signer.Key = Global.inf.privateKey;                     //应用编码
                //signer.Secret = Global.inf.secretKey;               //secretKey 私钥

                //HttpRequest Resquest = new HttpRequest("POST", new Uri(Global.curEvt.URL));
                //Resquest.headers.Add("charset", "UTF-8");
                //Resquest.headers.Add("x-hw-id", signer.Key);
                //Resquest.headers.Add("x-tif-timestamp", timestamp);
                //Resquest.headers.Add("x-tif-passid", signer.Key);
                //Resquest.headers.Add("x-tif-nonce", nonce);
                //Resquest.body = signData;

                //HttpWebRequest req = signer.Sign(Resquest);
                HttpWebRequest req = (HttpWebRequest)WebRequest.Create(Global.curEvt.URL);
                req.Method = "POST";
                req.ContentType = "application/json;charset=utf8";
                req.Timeout = 5 * 10000;

                try
                {
                    var writer = new StreamWriter(req.GetRequestStream());
                    writer.Write(data);
                    writer.Flush();
                    HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
                    StreamReader reader = new StreamReader(resp.GetResponseStream());

                    string RtnStr = reader.ReadToEnd();
                    joRtn = JObject.Parse(RtnStr);
                    // 解密返回值
                    EncryptHelper encrypt = new EncryptHelper(Global.inf.appId, Global.inf.secretKey, Global.inf.publicKey, Global.inf.privateKey);
                    string encData = JsonHelper.getDestValue(joRtn, "encData");
                    string signData = JsonHelper.getDestValue(joRtn, "signData");

                    Global.writeLog("【密文出参】:\r\n" + RtnStr);

                    if (!string.IsNullOrEmpty(encData) && !string.IsNullOrEmpty(signData))
                    {
                        joRtn.Remove("encData");
                        joRtn.Remove("signData");
                        joRtn.Remove("data");
                        //解密
                        string decData = encrypt.decrypt(encData);

                        // 验签
                        JsonConvert.DefaultSettings = () => new JsonSerializerSettings
                        {
                            FloatParseHandling = FloatParseHandling.Decimal
                        };
                        joRtn.Add("data", JToken.FromObject(JsonConvert.DeserializeObject(decData)));

                        bool rtn = encrypt.verify(joRtn, signData);
                        if (rtn)
                        {
                            Global.writeLog("【明文出参】:\r\n" + decData);

                            joRtn = JObject.Parse(decData);
                            joRtn.Add("code", 0);
                            joRtn.Add("message", "成功");
                        }
                        else
                        {
                            Global.writeLog("验签失败，请核查!");
                        }
                    }

                    return joRtn;
                }
                catch (WebException e)
                {
                    HttpWebResponse resp = (HttpWebResponse)e.Response;
                    if (resp != null)
                    {
                        return JsonHelper.setExceptionJson(-99, "centerServeiceInvok中获得响应流异常(a)", new StreamReader(resp.GetResponseStream()).ReadToEnd() + "异常内容：" + e.Message);
                    }
                    else
                    {
                        return JsonHelper.setExceptionJson(-99, "centerServeiceInvok中获得响应流异常(b)", e.Message);
                    }
                }
            }
            catch (Exception ex)
            {
                postContent = "调用中心服务异常" + ex.Message;
                joRtn.Add("infcode", -1);
                joRtn.Add("err_msg", "invokeCenterService(Exception_Last):" + ex.Message);
                return joRtn;
            }
        }

        #endregion

    }
}