package service

import (
	"github.com/hashicorp/golang-lru/v2/expirable"
	"time"
)

type userBaseInfo struct {
	UserId   int
	NickName string
}

var userCache *expirable.LRU[string, *userBaseInfo]

func init() {
	//make cache with 5 minutes TTL and 100 max keys
	userCache = expirable.NewLRU[string, *userBaseInfo](100, nil, time.Minute*5)
}

func GetUserBaseCache(adminUserId string) *userBaseInfo {
	userCache, ok := userCache.Get(adminUserId)
	if !ok {
		userService := UserService{}
		userRecord, err := userService.GetUserInfo(adminUserId)
		if err != nil {
			return nil
		}
		baseInfo := &userBaseInfo{
			UserId:   userRecord.ID,
			NickName: userRecord.NickName,
		}
		SetUserBaseCache(adminUserId, baseInfo)
		return baseInfo
	}
	return userCache
}

func SetUserBaseCache(adminUserId string, user *userBaseInfo) {
	_ = userCache.Add(adminUserId, user)
}