var ErrNotConnected = errors.New("not connected to target server/service")

// Target - store target interface
type Target interface {
	Name() string
	SendFromStore(key Key) error
}

// Store - Used to persist items.
type Store[I any] interface {
	Put(item I) (Key, error)
	PutMultiple(item []I) (Key, error)
	Get(key Key) (I, error)
	GetMultiple(key Key) ([]I, error)

	if err != nil {
		return err
	}

	return target.producer.Publish(target.args.Topic, data)
}

// SendFromStore - reads an event from store and sends it to NSQ.
func (target *NSQTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	_, err := target.isActive()
	if err != nil {
		return err
	}

	}
	return fmt.Errorf("%s returned '%s', please check your endpoint configuration", target.args.Endpoint, resp.Status)
}

// SendFromStore - reads an event from store and sends it to webhook.
func (target *WebhookTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	eventData, eErr := target.store.Get(key)
	if eErr != nil {

	if !token.WaitTimeout(reconnectInterval) {
		return store.ErrNotConnected
	}
	return token.Error()
}

// SendFromStore - reads an event from store and sends it to MQTT.
func (target *MQTTTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	// Do not send if the connection is not active.
	_, err := target.isActive()

		if err != nil {
			return err
		}
		msgs = append(msgs, msg)
	}
	return target.producer.SendMessages(msgs)
}

// SendFromStore - reads an event from store and sends it to Kafka.
func (target *KafkaTarget) SendFromStore(key store.Key) (err error) {
	if err = target.init(); err != nil {
		return err
	}
	switch {
	case key.ItemCount == 1:
		var event event.Event

			return err
		}
		if _, err := conn.Do("RPUSH", target.args.Key, data); err != nil {
			return err
		}
	}

	return nil
}

// SendFromStore - reads an event from store and sends it to redis.
func (target *RedisTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	conn := target.pool.Get()
	defer conn.Close()

			return err
		}

		if _, err = target.insertStmt.Exec(eventTime, data); err != nil {
			return err
		}
	}

	return nil
}

// SendFromStore - reads an event from store and sends it to PostgreSQL.
func (target *PostgreSQLTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	_, err := target.isActive()
	if err != nil {
		return err
	}

	ch, confirms, err := target.channel()
	if err != nil {
		return err
	}
	defer ch.Close()

	return target.send(eventData, ch, confirms)
}

// SendFromStore - reads an event from store and sends it to AMQP091.
func (target *AMQPTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	ch, confirms, err := target.channel()
	if err != nil {
		return err
	}

		atomic.AddInt64(&h.totalMessages, 1)
		atomic.AddInt64(&h.failedMessages, 1)
		return errors.New("log buffer full")
	}
	return nil
}

// SendFromStore - reads the log from store and sends it to kafka.
func (h *Target) SendFromStore(key store.Key) (err error) {
	auditEntry, err := h.store.Get(key)
	if err != nil {
		if os.IsNotExist(err) {
			return nil
		}
		return err
	}

		if err != nil {
			return err
		}

		_, err = target.insertStmt.Exec(eventTime, data)

		return err
	}

	return nil
}

// SendFromStore - reads an event from store and sends it to MySQL.
func (target *MySQLTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	_, err := target.isActive()
	if err != nil {
		return err
	}