/*
<xml>
  <ToUserName><![CDATA[toUser]]></ToUserName>
  <FromUserName><![CDATA[FromUser]]></FromUserName>
  <CreateTime>123456789</CreateTime>
  <MsgType><![CDATA[event]]></MsgType>
  <Event><![CDATA[subscribe]]></Event>
  <EventKey><![CDATA[qrscene_123123]]></EventKey>
  <Ticket><![CDATA[TICKET]]></Ticket>
</xml>
 */
using Hncore.Pass.MsgCenter.Constant;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Xml.Linq;
using Hncore.Pass.MsgCenter.Util;
namespace Hncore.Wx.Open
{
    /// <summary>
    /// 扫描二维码关注
    /// </summary>
    public class MessageEventScan : MessageMPBase
    {
        public MessageEventScan(XDocument doc) : base(doc)
        {
            this.EventKey = doc.Root.Element("EventKey").Value;
            this.Ticket = doc.Root.Element("Ticket").Value;
        }
        public override RequestInfoType InfoType
        {
            get { return RequestInfoType.event_SCAN; }
        }

        /// <summary>
        /// 事件KEY值，qrscene_为前缀，后面为二维码的参数值
        /// </summary>
        public string EventKey { get; set; }
        /// <summary>
        /// 二维码的ticket，可用来换取二维码图片
        /// </summary>
        public string Ticket { get; set; }

        public override async Task<bool> Handler()
        {
            ///参数形式 method?a=1&b=2
            var dataUrl = this.EventKey;
            var model = UrlHelper.ParseUrl(dataUrl);

            if (model.Method == "addtag")
            {
                var tagid = model.Args["tagid"];

                WxOpenApi.AddTag(this.AppId, new List<string>() { this.FromUserName }, tagid);
            }
            return true;
        }
    }
}