package controller

import (
	"github.com/gin-gonic/gin"
	"kefu/lib"
	"kefu/models"
	"kefu/service"
	"kefu/tools"
	"kefu/types"
	"log"
)

func GetWechatOpenid(c *gin.Context) {
	redirectUrl := c.Query("redirect")
	openId := ""
	entId := models.FindConfig("SystemBussinesId")
	wechatConfig, _ := lib.NewWechatLib(entId)

	weixinCode := c.Query("code")
	if weixinCode != "" {
		userInfo, err := service.GetWechatUserInfo(weixinCode, entId)
		if err == nil {
			openId = userInfo.OpenID
		} else {
			log.Println("微信公众号网页授权错误：", err)
		}
	} else {
		wechatUrl := "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + wechatConfig.AppId + "&redirect_uri=" + wechatConfig.WechatHost + "/api/v2/wechatOpenid?redirect=" + redirectUrl + "&response_type=code&scope=snsapi_userinfo#wechat_redirect"
		c.Redirect(302, wechatUrl)
		return
	}

	if redirectUrl == "" || openId == "" {
		c.JSON(200, gin.H{
			"code": types.ApiCode.FAILED,
			"msg":  "获取openid失败或回调地址为空",
		})
		return
	}
	redirectUrl = tools.UrlDecode(redirectUrl)
	c.Redirect(302, redirectUrl+"&open_id="+openId)
}