logger.go

package main

import (
	"log"
	"log/slog"
	"os"
)

var logger = NewSLogLogger()

type SLogLogger struct {
	log *slog.Logger // slog Logger instance
}

var logLevel = new(slog.LevelVar) // Log Level control variable

func NewSLogLogger() *SLogLogger {
	sl := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: logLevel}))
	return &SLogLogger{log: sl}
}

func (sl *SLogLogger) Debug(msg string, metadata ...interface{}) {
	sl.log.Debug(msg, metadata...)
}

func (sl *SLogLogger) Info(msg string, metadata ...interface{}) {
	sl.log.Info(msg, metadata...)
}

func (sl *SLogLogger) Warn(msg string, metadata ...interface{}) {
	sl.log.Warn(msg, metadata...)
}

func (sl *SLogLogger) Error(msg string, metadata ...interface{}) {
	sl.log.Error(msg, metadata...)
}

func (sl *SLogLogger) Fatal(msg string, metadata ...interface{}) {
	sl.log.Error(msg, metadata...)
	log.Fatal(msg)
}

func (sl *SLogLogger) SetLevel(level string) {
	switch level {
	case "DEBUG":
		logLevel.Set(slog.LevelDebug)
	case "INFO":
		logLevel.Set(slog.LevelInfo)
	case "WARN":
		logLevel.Set(slog.LevelWarn)
	case "ERROR":
		logLevel.Set(slog.LevelError)
	default:
		logLevel.Set(slog.LevelInfo)

	}
}