// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package protocol

import (
	"errors"

	"hertzbeat.apache.org/hertzbeat-collector-go/internal/util/logger"
)

var (
	ErrorInvalidPathPrefix = errors.New("invalid path prefix")
)

type ZookeeperSdProtocol struct {
	URL        string
	PathPrefix string

	logger logger.Logger
}

func NewZookeeperSdProtocol(url, pathPrefix string, logger logger.Logger) *ZookeeperSdProtocol {

	return &ZookeeperSdProtocol{
		URL:        url,
		PathPrefix: pathPrefix,
		logger:     logger,
	}
}

func (zp *ZookeeperSdProtocol) IsInvalid() error {

	if zp.URL == "" {
		zp.logger.Error(ErrorInvalidURL, "zk sd protocol host is empty")
		return ErrorInvalidURL
	}
	if zp.PathPrefix == "" {
		zp.logger.Error(ErrorInvalidPathPrefix, "zk sd protocol port is empty")
		return ErrorInvalidPathPrefix
	}

	return nil
}
