// Copyright (c) 2022 Bryan Joshua Pedini
// License: GPL-3 · See LICENSE for more details
package gobasiclogger

import (
	"log"
	"os"
)

type Logger struct {
	logLevel int
}

func (l *Logger) Initialize(level *string) {
	if level == nil {
		*level = os.Getenv("LOGLEVEL")
	}
	if _stringInArray(*level, []string{"debug", "DEBUG", "dbg", "DBG"}) {
		l.logLevel = 7
	} else if _stringInArray(*level, []string{"notice", "NOTICE", "not", "NOT"}) {
		l.logLevel = 6
	} else if _stringInArray(*level, []string{"info", "INFO", "inf", "INF"}) {
		l.logLevel = 5
	} else if _stringInArray(*level, []string{"warning", "WARNING", "warn", "WARN", "wrn", "WRN"}) {
		l.logLevel = 4
	} else if _stringInArray(*level, []string{"error", "ERROR", "err", "ERR"}) {
		l.logLevel = 3
	} else if _stringInArray(*level, []string{"critical", "CRITICAL", "crt", "CRT"}) {
		l.logLevel = 2
	} else if _stringInArray(*level, []string{"fatal", "FATAL", "fat", "FAT"}) {
		l.logLevel = 1
	}
}

func (l *Logger) Debug(i ...interface{}) {
	i = append([]interface{}{"[DBG]"}, i...)
	if l.logLevel > 6 {
		log.Println(i...)
	}
}

func (l *Logger) Notice(i ...interface{}) {
	i = append([]interface{}{"[NOT]"}, i...)
	if l.logLevel > 5 {
		log.Println(i...)
	}
}

func (l *Logger) Info(i ...interface{}) {
	i = append([]interface{}{"[INF]"}, i...)
	if l.logLevel > 4 {
		log.Println(i...)
	}
}

func (l *Logger) Warning(i ...interface{}) {
	i = append([]interface{}{"[WRN]"}, i...)
	if l.logLevel > 3 {
		log.Println(i...)
	}
}

func (l *Logger) Error(i ...interface{}) {
	i = append([]interface{}{"[ERR]"}, i...)
	if l.logLevel > 2 {
		log.Println(i...)
	}
}

func (l *Logger) Fatal(i ...interface{}) {
	i = append([]interface{}{"[FAT]"}, i...)
	if l.logLevel > 1 {
		log.Println(i...)
	}
}

func (l *Logger) Critical(i ...interface{}) {
	i = append([]interface{}{"[CRT]"}, i...)
	if l.logLevel > 0 {
		log.Println(i...)
	}
}