package main

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

	"backend/internal/bootstrap"
)

func main() {
	ctx := context.Background()

	app, err := bootstrap.NewApp(ctx)
	if err != nil {
		log.Fatalf("bootstrap app: %v", err)
	}

	srv := &http.Server{
		Addr:              app.Config.HTTPAddr,
		Handler:           app.Engine,
		ReadHeaderTimeout: 5 * time.Second,
	}

	go func() {
		log.Printf("backend listening on %s", app.Config.HTTPAddr)
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatalf("listen and serve: %v", err)
		}
	}()

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

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

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

	if err := app.Close(); err != nil {
		log.Printf("close app: %v", err)
	}
}