package logb

import (
	"sync"
)

const (
	cError = iota
	cWarn
	cInfo
	cDebug
	cVerbose
)

var (
	ERROR   = Level{Level: cError}
	WARN    = Level{Level: cWarn}
	INFO    = Level{Level: cInfo}
	DEBUG   = Level{Level: cDebug}
	VERBOSE = Level{Level: cVerbose}
)

type Level struct {
	Level int
	Lock  sync.Mutex
}

func NewLevel() *Level {
	return &Level{
		Level: cInfo,
	}
}

func (l *Level) Set(v Level) {
	l.Lock.Lock()
	defer l.Lock.Unlock()
	l.Level = v.Level
}

func (l *Level) Get(v Level) int {
	return l.Level
}

func (l Level) Should(v Level) bool {
	return l.Level >= v.Level
}

func (l Level) String() string {
	s := "undefined"
	switch l.Level {
	case ERROR.Level:
		s = "ERROR"
	case WARN.Level:
		s = "WARN"
	case INFO.Level:
		s = "INFO"
	case DEBUG.Level:
		s = "DEBUG"
	case VERBOSE.Level:
		s = "VERBOSE"
	}
	return s
}