package main

import (
	"context"
	"errors"
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"

	"superbanka/internal/config"
	apphttp "superbanka/internal/http"
)

func main() {
	cfg := config.Load()

	app, err := apphttp.NewApp(cfg)
	if err != nil {
		log.Fatalf("create app: %v", err)
	}
	defer app.Close()

	server := &http.Server{
		Addr:              cfg.HTTPAddr,
		Handler:           app.Router(),
		ReadHeaderTimeout: 5 * time.Second,
	}

	go func() {
		log.Printf("listening on %s", cfg.HTTPAddr)
		if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
			log.Fatalf("listen: %v", err)
		}
	}()

	sigCh := make(chan os.Signal, 1)
	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
	<-sigCh

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	if err := server.Shutdown(ctx); err != nil {
		log.Printf("shutdown http server: %v", err)
	}
}