recipes2/cmd/recipes/main.go

package main

import (
	"fmt"
	"log/slog"
	"os"
	"os/signal"
	"recipes/internal/app"
	"recipes/internal/config"
	"syscall"

	prettyLogger "github.com/charmbracelet/log"
)

const (
	envLocal = "local"
	envDev   = "dev"
	envProd  = "prod"
)

//TODO
// cache
// tests

func main() {
	// load config
	cfg := config.MustLoad()
	// init logger
	log := setupLogger(cfg.Env)
	log.Info("starting application", slog.String("env", cfg.Env))
	log.Debug("debug messages are enabled")
	log.Debug("Application config", slog.Any("config", fmt.Sprintf("%+v", *cfg)))

	// init app
	application := app.New(log, cfg)
	// start server
	go application.HTTPSrv.MustRun()

	// graceful shutdown
	stop := make(chan os.Signal, 1)
	signal.Notify(stop, syscall.SIGTERM, syscall.SIGINT)

	<-stop

	log.Info("stopping application...")

	application.HTTPSrv.Stop()

	log.Info("application stopped")
}

func setupLogger(env string) *slog.Logger {
	var log *slog.Logger

	switch env {
	case envLocal:
		// log = slog.New(
		// 	slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}),
		// )
		handler := prettyLogger.NewWithOptions(os.Stdout, prettyLogger.Options{Level: prettyLogger.DebugLevel})
		log = slog.New(handler)
	case envDev:
		log = slog.New(
			slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}),
		)
	case envProd:
		log = slog.New(
			slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}),
		)
	}

	return log
}