package user

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/sys/event"
	"go_dreamfactory/lego/sys/log"
	"go_dreamfactory/pb"
	"go_dreamfactory/sys/cache"
	"time"

	"go.mongodb.org/mongo-driver/mongo"
	"google.golang.org/protobuf/proto"
)

//参数校验
func (this *apiComp) LoginCheck(session comm.IUserSession, req *pb.UserLoginReq) (code pb.ErrorCode) {
	if req.Account == "" {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

//登录
func (this *apiComp) Login(session comm.IUserSession, req *pb.UserLoginReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.LoginCheck(session, req); code != pb.ErrorCode_Success {
		return
	}
	var (
		err  error
		user *pb.DBUser
	)

	defer func() {
		if user != nil {
			err = session.SendMsg(string(this.module.GetType()), UserSubTypeLogin, &pb.UserLoginResp{
				Data: user,
			})
			if err != nil {
				code = pb.ErrorCode_SystemError
				return
			}
			event.TriggerEvent(comm.EventUserLogin, user.Uid)
		}
	}()

	//从mgo查询user
	user, err = this.module.modelUser.User_FindByAccount(req.Sid, req.Account)
	if err != nil {
		if err != mongo.ErrNoDocuments {
			log.Errorf("User_FindByAccount err %v", err)
			return
		}
	}

	if user == nil {
		//如果是新玩家，创建一条基础的数据，页面会引导进入创角页面
		user = &pb.DBUser{Sid: req.Sid, Binduid: req.Account}
		err = this.module.modelUser.User_Create(user)
		if err != nil {
			log.Errorf("User_CreateUser err %v", err)
			return
		}
	}

	//bind user
	err = session.Bind(user.Uid, this.service.GetId())
	if err != nil {
		code = pb.ErrorCode_BindUser
		return
	}

	//set user other info
	user.Logintime = time.Now().Unix()
	user.Lastloginip = session.GetIP()
	user.Createip = session.GetIP()

	//缓存user session
	err = this.module.modelSession.Change(user.Uid, map[string]interface{}{
		"uid":              user.Uid,
		"sessionId":        session.GetSessionId(),
		"gatewayServiceId": session.GetGatewayServiceId(),
	},
		cache.WithExpire(time.Hour*12),
		cache.WithDisabledMgoLog())
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	//缓存user
	err = this.module.modelUser.Add(user.Uid, user, cache.WithDisabledMgoLog())
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	return
}