package weixin

import (
	"errors"

	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/auth2"
	"git.rosy.net.cn/jx-callback/business/auth2/authprovider"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/globals"
	"git.rosy.net.cn/jx-callback/globals/api"
)

const (
	AuthTypeWeixin = "weixin"
	AuthTypeMP     = "weixinsns"
	AuthTypeMini   = "weixinmini"
)

type Auther struct {
	authprovider.DefAuther
	authType string
}

var (
	AutherObjWX *Auther
	AutherObjMP *Auther
)

var (
	ErrStateIsWrong = errors.New("登录state非法")
)

func init() {
	AutherObjWX = &Auther{
		authType: AuthTypeWeixin,
	}
	auth2.RegisterAuther(AuthTypeWeixin, AutherObjWX)

	AutherObjMP = &Auther{
		authType: AuthTypeMP,
	}
	auth2.RegisterAuther(AuthTypeMP, AutherObjMP)
}

func (a *Auther) VerifySecret(state, code string) (authBind *model.AuthBind, err error) {
	globals.SugarLogger.Debugf("weixin VerifySecret code:%s", code)
	if state == "" {
		token, err2 := api.WeixinAPI.SNSRetrieveToken(code)
		if err = err2; err == nil {
			wxUserinfo, err2 := api.WeixinAPI.SNSGetUserInfo(token.AccessToken, token.OpenID)
			if err = err2; err == nil {
				db := dao.GetDB()
				if authBind, err = dao.GetAuthBind(db, "", a.authType, wxUserinfo.OpenID); dao.IsNoRowsError(err) {
					var authBindList []*model.AuthBind
					if wxUserinfo.UnionID != "" {
						if authBindList, err = dao.GetAuthBindsByAuthID2(db, wxUserinfo.UnionID, []string{AuthTypeWeixin, AuthTypeMP, AuthTypeMini}); err == nil && len(authBindList) > 0 {
							authBind = authBindList[0]
							authBind.Type = a.authType
							authBind.AuthID = wxUserinfo.OpenID
							authBind.DetailData = string(utils.MustMarshal(wxUserinfo))
							err = a.AddAuthBind(authBind, wxUserinfo.NickName)
						}
					}
					if err == nil && len(authBindList) == 0 {
						authBind = &model.AuthBind{
							Type:       a.authType,
							AuthID:     wxUserinfo.OpenID,
							AuthID2:    wxUserinfo.UnionID,
							DetailData: string(utils.MustMarshal(wxUserinfo)),
						}
					}
				}
			}
		}
	} else {
		err = ErrStateIsWrong
	}
	return authBind, err
}