package service

import (
	"context"
	"tydata-server/app/user/model"

	"github.com/google/uuid"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
)

type UserService struct {
	userModel     model.UserModel
	userAuthModel model.UserAuthModel
}

// NewUserService 创建UserService实例
func NewUserService(userModel model.UserModel, userAuthModel model.UserAuthModel) *UserService {
	return &UserService{
		userModel:     userModel,
		userAuthModel: userAuthModel,
	}
}

// GenerateUUIDUserId 生成UUID用户ID
func (s *UserService) GenerateUUIDUserId(ctx context.Context) (string, error) {
	id := uuid.NewString()
	return id, nil
}

// RegisterUUIDUser 注册UUID用户，返回用户ID
func (s *UserService) RegisterUUIDUser(ctx context.Context) (int64, error) {
	// 生成UUID
	uuidStr, err := s.GenerateUUIDUserId(ctx)
	if err != nil {
		return 0, err
	}

	var userId int64
	err = s.userModel.Trans(ctx, func(ctx context.Context, session sqlx.Session) error {
		// 创建用户记录
		user := &model.User{}
		result, err := s.userModel.Insert(ctx, session, user)
		if err != nil {
			return err
		}
		userId, err = result.LastInsertId()
		if err != nil {
			return err
		}

		// 创建用户认证记录
		userAuth := &model.UserAuth{
			UserId:   userId,
			AuthType: model.UserAuthTypeUUID,
			AuthKey:  uuidStr,
		}
		_, err = s.userAuthModel.Insert(ctx, session, userAuth)
		return err
	})
	if err != nil {
		return 0, err
	}

	return userId, nil
}