package redisx

import (
	"context"
	"fmt"
	"time"

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

type Client struct {
	rdb *redis.Client
}

func Open(addr string) (*Client, error) {
	if addr == "" {
		return &Client{}, nil
	}
	rdb := redis.NewClient(&redis.Options{Addr: addr})
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	if err := rdb.Ping(ctx).Err(); err != nil {
		_ = rdb.Close()
		return nil, fmt.Errorf("redis ping: %w", err)
	}
	return &Client{rdb: rdb}, nil
}

func (c *Client) RDB() *redis.Client { return c.rdb }

func (c *Client) Close() error {
	if c == nil || c.rdb == nil {
		return nil
	}
	return c.rdb.Close()
}

func (c *Client) Ready() bool { return c != nil && c.rdb != nil }