package main

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

	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/ssh"
	"github.com/charmbracelet/wish"
	"github.com/charmbracelet/wish/bubbletea"
	"github.com/charmbracelet/wish/logging"
)

const (
	host = "localhost"
	port = "23457"
)

func teaHandler(s ssh.Session) (tea.Model, []tea.ProgramOption) {
	m := InitialModel(s.User())
	return m, []tea.ProgramOption{tea.WithAltScreen()}
}

func main() {
	s, err := wish.NewServer(
		wish.WithAddress(fmt.Sprintf("%s:%s", host, port)),
		wish.WithHostKeyPath(".ssh/term_info_ed25519"),
		wish.WithMiddleware(
			bubbletea.Middleware(teaHandler),
			logging.Middleware(),
		),
	)
	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:%s", host, port)
	log.Printf("Connect with: ssh %s -p %s", host, port)

	go func() {
		if err = s.ListenAndServe(); err != nil {
			log.Fatalln(err)
		}
	}()

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