package config

import (
	"log/slog"
	"os"
)

type LogFormat uint8

const (
	LogFormatText LogFormat = iota
	LogFormatJSON
)

type LogLevel uint8

const (
	LogLevelDebug LogLevel = iota
	LogLevelInfo
	LogLevelWarn
	LogLevelError
)

type LogConfig struct {
	Level  LogLevel
	Format LogFormat
}

func NewSLogger(config LogConfig) *slog.Logger {
	var level slog.Level
	switch config.Level {
	case LogLevelDebug:
		level = slog.LevelDebug
	case LogLevelInfo:
		level = slog.LevelInfo
	case LogLevelWarn:
		level = slog.LevelWarn
	case LogLevelError:
		level = slog.LevelError
	}

	opts := &slog.HandlerOptions{
		Level: level,
	}

	var h slog.Handler
	switch config.Format {
	case LogFormatJSON:
		h = slog.NewJSONHandler(os.Stdout, opts)
	case LogFormatText:
		h = slog.NewTextHandler(os.Stdout, opts)
	}

	return slog.New(h)
}