package kvrocks

import (
	"context"
	"fmt"
	"strconv"
	"time"

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

type KVRocksDB struct {
	client *redis.Client
}

func NewKVRocksDB(conf redis.Options) *KVRocksDB {
	client := redis.NewClient(&conf)
	return &KVRocksDB{
		client: client,
	}
}

func (db *KVRocksDB) Ping() (err error) {
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	_, err = db.client.Ping(ctx).Result()
	if err != nil {
		return fmt.Errorf("can't connect kvrocks, %v", err)
	}
	return
}

func (db *KVRocksDB) DB() *redis.Client {
	return db.client
}

func (db *KVRocksDB) GetI64(ctx context.Context, key string) (v int64, err error) {
	v, err = db.DB().Get(ctx, key).Int64()
	if err != nil {
		if err == redis.Nil {
			return 0, nil
		}
		return 0, err
	}
	return v, nil
}

// todo set async
func (db *KVRocksDB) SetI64(ctx context.Context, key string, v int64) (err error) {
	vs := strconv.FormatInt(v, 10)
	err = db.DB().Set(ctx, key, vs, 0).Err()
	return
}