// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. 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 kafka

import (
	"github.com/Shopify/sarama"

	"github.com/elastic/beats/v7/libbeat/logp"
)

type kafkaLogger struct {
	log *logp.Logger
}

func (kl kafkaLogger) Print(v ...interface{}) {
	kl.Log("kafka message: %v", v...)
}

func (kl kafkaLogger) Printf(format string, v ...interface{}) {
	kl.Log(format, v...)
}

func (kl kafkaLogger) Println(v ...interface{}) {
	kl.Log("kafka message: %v", v...)
}

func (kl kafkaLogger) Log(format string, v ...interface{}) {
	warn := false
	for _, val := range v {
		if err, ok := val.(sarama.KError); ok {
			if err != sarama.ErrNoError {
				warn = true
				break
			}
		}
	}
	if kl.log == nil {
		kl.log = logp.NewLogger(logSelector)
	}
	if warn {
		kl.log.Warnf(format, v...)
	} else {
		kl.log.Infof(format, v...)
	}
}
