// Package redis provides the Redis client used for refresh-token/session state.
package redis

import (
	"context"
	"fmt"
	"time"

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

func Connect(redisURL string) (*redis.Client, error) {
	opt, err := redis.ParseURL(redisURL)
	if err != nil {
		return nil, fmt.Errorf("parse redis url: %w", err)
	}

	client := redis.NewClient(opt)

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

	if err := client.Ping(ctx).Err(); err != nil {
		return nil, fmt.Errorf("ping redis: %w", err)
	}

	return client, nil
}