package bloomfilter

import (
	"errors"
	"github.com/go-redis/redis/v8"
)

type Mode int

const (
	ModeLocal Mode = iota
	ModeRedis
)

type Options struct {
	mode   Mode
	client *redis.Client
	key    string
}

type Option func(*Options)

func UseLocal() Option {
	return func(o *Options) {
		o.mode = ModeLocal
	}
}

func UseRedis(client *redis.Client, key string) Option {
	return func(o *Options) {
		o.mode = ModeRedis
		o.client = client
		o.key = key
	}
}

func (o *Options) repairOption() error {
	if o.mode == ModeRedis {
		if o.client == nil || o.key == "" {
			return errors.New("no addr provided")
		}
	}

	return nil
}