// Copyright 2019 ByteWatch All Rights Reserved.

// Licensed 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 kafka

import (
	"fmt"
	"github.com/bytewatch/dolphinbeat/sink"
)

func init() {
	sink.RegisterSink("kafka", makeKafka)
}

func makeKafka(name string, primCfg sink.PrimitiveConfig, logger sink.Logger) (sink.Sink, error) {
	var cfg Config
	if err := sink.PrimitiveDecode(primCfg, &cfg); err != nil {
		return nil, err
	}

	if cfg.BrokerList == "" {
		return nil, fmt.Errorf("broker_list is empty")
	}

	if cfg.Topic == "" {
		return nil, fmt.Errorf("topic is empty")
	}

	return newKafkaSink(name, &cfg, logger)
}
