/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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 utils

import (
	"fmt"
	"os"
)

var loglnFunc = doNothinglnFunc

var logfFunc = doNothingfFunc

func verbosePrintlnFunc(a ...interface{}) {
	fmt.Fprintln(os.Stderr, a...)
}

func doNothinglnFunc(v ...interface{}) {
}

func verbosePrintfFunc(format string, a ...interface{}) {
	fmt.Fprintf(os.Stderr, format, a...)
}

func doNothingfFunc(format string, a ...interface{}) {
}

func Logln(a ...interface{}) {
	loglnFunc(a...)
}

func Logf(format string, a ...interface{}) {
	logfFunc(format, a...)
}

func EnableVerboseMode() {
	loglnFunc = verbosePrintlnFunc
	logfFunc = verbosePrintfFunc
}
