<%@ WebHandler Language="C#" Class="wx_Handler_1" Debug="true" %>

using System;
using System.Web;
using System.IO;
using System.Xml;
using eMIS.Data;
using System.Data;
using Tencent;
using DingTalk.Api;
using DingTalk;
using DingTalk.Api.Request;
using DingTalk.Api.Response;
/*
 * 本页面用于验证回调URL
 * 企业开启回调模式时，企业号会向验证URL发送一个get请求，此页面解密echostr原文，
 * 并将原文当作Get请求，返回给公众平台
 * 
 * cjx@2015/4/30
 * 
 * 本例，演示如何获取工作任务
 * 此例中，在企业号应用中打开“回调模式”，并启用“上报用户进入应用事件”，当用户进入应用时，获取事件，解析其用户名
 * 为方便起见，微信企业号中通讯录的用户名与eMIS系统中用户名相同
 * 
 */
public class wx_Handler_1 : IHttpHandler
{

	public void ProcessRequest(HttpContext context)
	{
		const string cookies_name = "dt_uid";
		System.Text.StringBuilder sb = new System.Text.StringBuilder();

		string dd_uid = "", emis_uid = "";
		string str = "";
		int flag = 0;
        try
        {
			if (context.Request.Cookies[cookies_name] != null && !string.IsNullOrEmpty(context.Request.Cookies[cookies_name].Value ))
			{
				dd_uid = context.Request.Cookies[cookies_name].Values["dd_uid"];
				emis_uid = context.Request.Cookies[cookies_name].Values["emis_uid"];
				flag = 1;
				//throw new Exception(dd_uid);
			}
			else
			{
				string code = context.Request["c"];
				flag = 0;
				string token = "";

				Dingtalk.Dingding dd = new Dingtalk.Dingding(context);
				token = dd.Messager.GetAccesstoken();
                //throw new Exception(token);


				string surl = "https://oapi.dingtalk.com/user/getuserinfo";
				//surl = string.Format(surl, DingdingStatic.AccessToken.Token, code);

				IDingTalkClient client = new DefaultDingTalkClient(surl);
				OapiUserGetuserinfoRequest req = new OapiUserGetuserinfoRequest();
				req.Code = code;
				req.SetHttpMethod("GET");
				OapiUserGetuserinfoResponse r = client.Execute(req, token);

             //   context.Response.Write("w"+r.Errcode); context.Response.End();

				if (r.IsError)
				{
					throw new Exception(r.Errmsg);
				}
				else
				{
					dd_uid = r.Userid;
                    if (string.IsNullOrEmpty(dd_uid))
                    { throw new Exception("未能获取用户"); }
           /*
					string sql = "select ID,login,xingming from V_DingTalk_Users where UserID=?";
					eDbManager manager = new eDbManager(WebConfigManager.DefaultDb);
					eDbOperator dbo = manager.CreateDbOperator();
					DataTable tab = dbo.ExecuteTable(sql, CommandType.Text, dd_uid);
					if (tab.Rows.Count == 0)
					{
						throw new Exception("未找到用户：" + dd_uid);
					}
					else
					{
						emis_uid = Convert.ToString(tab.Rows[0]["id"]);
					}

					HttpCookie usercookie = new HttpCookie(cookies_name);
					usercookie.Value = dd_uid;
					usercookie.Values["dd_uid"] = dd_uid;
					usercookie.Values["emis_uid"] = emis_uid;
					usercookie.Expires = DateTime.MaxValue;
                    usercookie.Domain = WeiXinWebCommon.c_wx_domain_name;
					context.Response.AppendCookie(usercookie);
                    */

				}



			}


			str = string.Format("{{'errcode':0,'dd_uid':'{0}','emis_uid':'{1}','flag':{2}}}", dd_uid, emis_uid, flag);
			context.Response.ContentType = "text/plain";
			context.Response.Write(str);
        }
        catch (Exception ex)
        {
            context.Response.ContentType = "text/plain";
            context.Response.Write(string.Format("{{'errcode':1,'errmsg':'{0}','dd_uid':'','emis_uid':'','flag':2}}",ex.Message));
        }
	}

	public bool IsReusable {
		get {
			return false;
		}
	}
}