main.go

package main

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

	"github.com/benhsm/minesweeper/tui"
	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/wish"
	bm "github.com/charmbracelet/wish/bubbletea"
	lm "github.com/charmbracelet/wish/logging"
	"github.com/gliderlabs/ssh"
)

const (
	host = "0.0.0.0"
	port = 2222
)

func main() {
	if len(os.Args) == 2 && os.Args[1] == "serve" {
		serveGame()
	} else {
		playLocally()
	}
}

func playLocally() {
	p := tea.NewProgram(tui.NewModel(), tea.WithAltScreen())
	if err := p.Start(); err != nil {
		fmt.Printf("Alas, there's been an error: %v", err)
		os.Exit(1)
	}
}

func serveGame() {
	s, err := wish.NewServer(
		wish.WithAddress(fmt.Sprintf("%s:%d", host, port)),
		wish.WithHostKeyPath(".ssh/term_info_ed25519"),
		wish.WithMiddleware(
			bm.Middleware(teaHandler),
			lm.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:%d", 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 func() { cancel() }()
	if err := s.Shutdown(ctx); err != nil {
		log.Fatalln(err)
	}
}

func teaHandler(s ssh.Session) (tea.Model, []tea.ProgramOption) {
	_, _, active := s.Pty()
	if !active {
		wish.Fatalln(s, "no active terminal, skipping")
		return nil, nil
	}
	m := tui.NewModel()
	return m, []tea.ProgramOption{tea.WithAltScreen()}
}