package main

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

	di "gin_test/di"
)

func main() {
	app, err := di.InitializeApp()
	if err != nil {
		log.Fatal("initialize app error:", err)
	}

	defer app.DB.Close()
	server := app.Server

	go func() {
		log.Println("server running on", server.Addr)
		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatalf("listen error: %s\n", err)
		}
	}()

	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit
	log.Println("Shutting down server...")

	shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), app.GracefulTimeout)
	defer shutdownCancel()
	if err := server.Shutdown(shutdownCtx); err != nil {
		log.Fatal("Server forced to shutdown:", err)
	}
	log.Println("Server exited gracefully ✅")
}