package main

import (
	"converter/internal/app"
	"converter/internal/config"
	"converter/internal/lib/logger/handlers/slogpretty"
	"fmt"
	"log/slog"
	"os"
)

const (
	envlocal = "local"
	envdev   = "dev"
	envprod  = "prod"
)

func main() {

	cfg := config.MustLoad()

	fmt.Println(cfg)

	log := setupLogger(cfg.Env)
	log.Info("starting application", slog.Any("cfg", cfg))
	applicaton := app.New(log, cfg.GRPC.Port, cfg.TokenTTL)
	applicaton.GRPCSrv.MustRun()
	// TODO: инициализировать приложение app

	// TODO: запустить gRPC сервер приложения
}

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

	switch env {
	case envlocal:
		log = setupPrettySlog()
	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
}

func setupPrettySlog() *slog.Logger {
	opts := slogpretty.PrettyHandlerOptions{
		SlogOpts: &slog.HandlerOptions{
			Level: slog.LevelDebug,
		},
	}

	handler := opts.NewPrettyHandler(os.Stdout)

	return slog.New(handler)
}