package wechat

import (
	"code.gitea.io/gitea/modules/redis/redis_client"
	"code.gitea.io/gitea/modules/redis/redis_key"
	"encoding/json"
	"strings"
	"time"
)

const BIND_REPLY = "启智账号认证微信成功"

//<xml>
//  <ToUserName><![CDATA[toUser]]></ToUserName>
//  <FromUserName><![CDATA[FromUser]]></FromUserName>
//  <CreateTime>123456789</CreateTime>
//  <MsgType><![CDATA[event]]></MsgType>
//  <Event><![CDATA[SCAN]]></Event>
//  <EventKey><![CDATA[SCENE_VALUE]]></EventKey>
//  <Ticket><![CDATA[TICKET]]></Ticket>
//</xml>
type WechatEvent struct {
	ToUserName   string
	FromUserName string
	CreateTime   int64
	MsgType      string
	Event        string
	EventKey     string
	Ticket       string
}

type Xml struct {
	ToUserName   string
	FromUserName string
	CreateTime   int64
	MsgType      string
	Content      string
}

func HandleSubscribeEvent(we WechatEvent) string {
	eventKey := we.EventKey
	if eventKey == "" {
		return ""
	}
	sceneStr := strings.TrimPrefix(eventKey, "qrscene_")
	key := redis_key.WechatBindingUserIdKey(sceneStr)
	val, _ := redis_client.Get(key)
	if val == "" {
		return ""
	}
	qrCache := new(QRCode4BindCache)
	json.Unmarshal([]byte(val), qrCache)
	//todo 已绑定微信号的如何处理？
	//更新微信openId和流水
	BindWechat(qrCache.UserId, we.FromUserName)

	qrCache.Status = BIND_STATUS_BOUND
	jsonStr, _ := json.Marshal(qrCache)
	redis_client.Setex(redis_key.WechatBindingUserIdKey(sceneStr), string(jsonStr), 60*time.Second)
	return BIND_REPLY
}