package diagram

import (
	"sync"
	"time"

	"modelRT/config"
	"modelRT/util"

	"github.com/redis/go-redis/v9"
)

var (
	_globalStorageClient *redis.Client
	once                 sync.Once
)

// initClient define func of return successfully initialized redis client
func initClient(rCfg config.RedisConfig) *redis.Client {
	client, err := util.NewRedisClient(
		rCfg.Addr,
		util.WithPassword(rCfg.Password),
		util.WithDB(rCfg.DB),
		util.WithPoolSize(rCfg.PoolSize),
		util.WithTimeout(time.Duration(rCfg.Timeout)*time.Second),
	)
	if err != nil {
		panic(err)
	}
	return client
}

// InitRedisClientInstance define func of return instance of redis client
func InitRedisClientInstance(rCfg config.RedisConfig) *redis.Client {
	once.Do(func() {
		_globalStorageClient = initClient(rCfg)
	})
	return _globalStorageClient
}

// GetRedisClientInstance define func of get redis client instance
func GetRedisClientInstance() *redis.Client {
	client := _globalStorageClient
	return client
}