/******************************************************************************
 * 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 PTMedInsuInterface.Common;
using Newtonsoft.Json;
using PTMedInsuInterface.Variables;

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

        /// <summary>
        /// 封装业务DLL的调用,返回JSON对象
        /// </summary>
        /// <param name="methodName"></param>
        /// <param name="inParam"></param>
        /// <returns></returns>
        public JObject InvokeBusinessDLL(string methodName, string inParam)
        {
            string outParam = string.Empty;
            try
            {
                DllInvoke dllInvoke = new DllInvoke();
                string path = Global.curEvt.path + "\\" + Global.dll.name;
                string[] str = new string[1];
                str[0] = inParam;
                object o2 = DllInvoke.ManagedInvoke(path,Global.dll.nameSpace, "InsuBusiness", methodName, str);
                outParam = o2.ToString();
                JObject joRtn = JObject.Parse(outParam);
                return joRtn;
            }
            catch (Exception ex)
            {
                outParam =  "InvokeBusinessDLL:"  + outParam + "\r\n"  + ex.Message;
                return JsonHelper.setExceptionJson(-1, "businessDLLInvoke:" , outParam);
            }
            finally
            {
                Global.writeLog("InvokeBusinessDLL." + methodName, inParam, outParam);
            }

        }





        /// <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(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(serviceDesc + "(" + serviceURL + ")" + "Authorization:" + (authorization), JsonHelper.Compress(data), rtn);
            }
        }
    }
}