package main

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

	"teachat/internal"

	"github.com/charmbracelet/ssh"
)

const (
	port = 23234
	host = "0.0.0.0"
)

func main() {
	internal.InitDB()

	srv, err := internal.NewServer(host, port)
	if err != nil {
		log.Fatalln(err)
	}

	done := make(chan os.Signal, 1)
	signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)

	log.Printf("Starting SSH server on %s:%d", host, port)
	go func() {
		if err = srv.ListenAndServe(); err != nil && !errors.Is(err, ssh.ErrServerClosed) {
			log.Fatalln(err)
		}
	}()

	<-done
	log.Println("Stopping server...")
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()
	if err := srv.Shutdown(ctx); err != nil {
		log.Fatalln(err)
	}
}