// Copyright © 2016 Steve Francia <spf@spf13.com>.

//

// Use of this source code is governed by an MIT-style

// license that can be found in the LICENSE file.

package jwalterweatherman

import (

	"io"

	"io/ioutil"

	"log"

	"os"

)

var (

	TRACE    *log.Logger

	DEBUG    *log.Logger

	INFO     *log.Logger

	WARN     *log.Logger

	ERROR    *log.Logger

	CRITICAL *log.Logger

	FATAL    *log.Logger

	LOG      *log.Logger

	FEEDBACK *Feedback

	defaultNotepad *Notepad

)

func reloadDefaultNotepad() {

	TRACE = defaultNotepad.TRACE

	DEBUG = defaultNotepad.DEBUG

	INFO = defaultNotepad.INFO

	WARN = defaultNotepad.WARN

	ERROR = defaultNotepad.ERROR

	CRITICAL = defaultNotepad.CRITICAL

	FATAL = defaultNotepad.FATAL

	LOG = defaultNotepad.LOG

	FEEDBACK = defaultNotepad.FEEDBACK

}

func init() {

	defaultNotepad = NewNotepad(LevelError, LevelWarn, os.Stdout, ioutil.Discard, "", log.Ldate|log.Ltime)

	reloadDefaultNotepad()

}

// SetLogThreshold set the log threshold for the default notepad. Trace by default.

func SetLogThreshold(threshold Threshold) {

	defaultNotepad.SetLogThreshold(threshold)

	reloadDefaultNotepad()

}

// SetLogOutput set the log output for the default notepad. Discarded by default.

func SetLogOutput(handle io.Writer) {

	defaultNotepad.SetLogOutput(handle)

	reloadDefaultNotepad()

}

// SetStdoutThreshold set the standard output threshold for the default notepad.

// Info by default.

func SetStdoutThreshold(threshold Threshold) {

	defaultNotepad.SetStdoutThreshold(threshold)

	reloadDefaultNotepad()

}

// SetPrefix set the prefix for the default logger. Empty by default.

func SetPrefix(prefix string) {

	defaultNotepad.SetPrefix(prefix)

	reloadDefaultNotepad()

}

// SetFlags set the flags for the default logger. "log.Ldate | log.Ltime" by default.

func SetFlags(flags int) {

	defaultNotepad.SetFlags(flags)

	reloadDefaultNotepad()

}

// Level returns the current global log threshold.

func LogThreshold() Threshold {

	return defaultNotepad.logThreshold

}

// Level returns the current global output threshold.

func StdoutThreshold() Threshold {

	return defaultNotepad.stdoutThreshold

}

// GetStdoutThreshold returns the defined Treshold for the log logger.

func GetLogThreshold() Threshold {

	return defaultNotepad.GetLogThreshold()

}

// GetStdoutThreshold returns the Treshold for the stdout logger.

func GetStdoutThreshold() Threshold {

	return defaultNotepad.GetStdoutThreshold()

}