package service

import (
    "context"
    "awesomeProject/internal/dao"
    "awesomeProject/internal/model/entity"
	"github.com/gogf/gf/crypto/gmd5"
	"github.com/gogf/gf/util/guid"
	"github.com/gogf/gf/v2/os/gsession"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/gogf/gf/v2/os/glog"
)

type UserService struct {
    userDAO *dao.UserDAO
}

func NewUserService() *UserService {
	return &UserService{}
}
func GenerateToken(data interface{}) (string, error) {
	// 生成一个随机的 GUID 作为 token
	token := guid.S(gconv.Bytes(data))
	// 使用 MD5 加密 token
	encryptedToken, err := gmd5.Encrypt(token)
	if err != nil {
		return "", err
	}
	return encryptedToken, nil
}


func (s *UserService) Login(ctx context.Context, username string, password string) (*entity.User, error) {
    // 调用 Dao 层的方法查询用户信息
    user, err := s.userDAO.GetUserByUsernameAndPassword(ctx, username, password)
    if err != nil {
        return nil, err
    }
	// 生成 token
	token, _ := GenerateToken(password)
	token = "token=" + token
	session := gsession.NewSessionId()
	glog.Info(ctx, token)
	user.Cookie = token + ";" + session;
    return user, nil
}

// RegisterUser 注册用户
func (s *UserService) RegisterUser(ctx context.Context, user *entity.User) error {
	// 执行注册逻辑，例如验证用户信息、生成密码哈希等

	// 调用 DAO 层保存用户信息到数据库
	err := userDao.SaveUser(ctx, user)
	if err != nil {
		return err
	}

	return nil
}

// GetUserByID 根据用户ID获取用户信息
func (s *UserService) GetUserByID(ctx context.Context, userID int64) (*entity.User, error) {
	// 调用 DAO 层获取用户信息
	user, err := userDao.GetUserByID(ctx, userID)
	if err != nil {
		return nil, err
	}

	return user, nil
}


func (s *UserService) PushMessage(ctx context.Context, req Msg){
	glog.Debug("push message")
	go func(){
		err := req.Do(ctx)
		if err != nil{
			glog.Error(ctx,"push message error:" ,err)
		}
	}()
	
}

func (s *UserService) StatisticsInfo(ctx context.Context,user entity.User){
	glog.Debug("Statistics Info")
	go func(){
		err := user.StatisticsInfo(ctx)
		if err != nil{
			glog.Error(ctx,"Statistics Info error:" ,err)
		}
	}()
	
}



type StudentServer struct {

}

type TeacherServer struct {

}

type ManagerServer struct {
	
}

type AdminServer struct {
	
}

type CutomrServiceServer struct {
	
}