package redis

import (
	"context"
	"fmt"
	"time"

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

var RedisClient *redis.Client

func ConnectRedis(addr, password string) error {

	RedisClient = redis.NewClient(&redis.Options{
		Addr:         addr,
		Password:     password,
		DB:           0,
		DialTimeout:  5 * time.Second,
		ReadTimeout:  3 * time.Second,
		WriteTimeout: 3 * time.Second,
		PoolSize:     10,
	})

	ctx, cancel := context.WithTimeout(
		context.Background(),
		5*time.Second,
	)

	defer cancel()

	if err := RedisClient.Ping(ctx).Err(); err != nil {
		_ = RedisClient.Close()
		RedisClient = nil
		return fmt.Errorf("connect to Redis: %w", err)
	}

	return nil
}

func CloseRedis() error {
	if RedisClient == nil {
		return nil
	}
	return RedisClient.Close()
}