cemantix-charm/main.go

144 lines
2.8 KiB
Go

package main
import (
"context"
"fmt"
"github.com/charmbracelet/bubbles/textinput"
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"
"log"
"os"
"os/signal"
"syscall"
"time"
)
func main() {
log.Println("Welcome on Cemantics!")
s, err := wish.NewServer(
wish.WithAddress(fmt.Sprintf("%s:%d", "0.0.0.0", 2200)),
wish.WithAddress(fmt.Sprintf("%s:%d", "[::]", 2200)),
wish.WithHostKeyPath(".ssh/term_info_ed25519"),
wish.WithMiddleware(
lm.Middleware(),
bm.Middleware(teaHandler),
),
)
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", "[::]", 2200)
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 {
fmt.Println("no active terminal, skipping")
return nil, nil
}
log.Println(s.RemoteAddr())
ti := textinput.New()
ti.Placeholder = "Choisissez un mot ..."
ti.Focus()
ti.CharLimit = 256
ti.Width = 20
m := model{
textInput: ti,
err: nil,
ip: s.RemoteAddr().String(),
words: []string{},
}
return m, []tea.ProgramOption{tea.WithAltScreen()}
}
type errMsg error
type model struct {
textInput textinput.Model
err error
ip string
words []string
lastWord string
}
func (m model) Init() tea.Cmd {
return textinput.Blink
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmd tea.Cmd
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.Type {
case tea.KeyEnter:
return m.InputWord()
case tea.KeyCtrlC, tea.KeyEsc:
return m, tea.Quit
}
// We handle errors just like any other message
case errMsg:
m.err = msg
return m, nil
}
m.textInput, cmd = m.textInput.Update(msg)
return m, cmd
}
func (m model) InputWord() (model, tea.Cmd) {
word := m.textInput.Value()
log.Printf("Chosen word: %s", word)
m.lastWord = word
m.words = append(m.words, word)
m.textInput.SetValue("")
m.textInput.CursorStart()
return m, nil
}
func (m model) View() string {
msg := fmt.Sprintf(
"Veuillez choisir un mot :\n\n%s\n\n%s",
m.textInput.View(),
"(Esc pour quitter)",
) + "\n\n"
if m.lastWord != "" {
msg += fmt.Sprintf("Dernier mot essayé : %s\n\n", m.lastWord)
}
if len(m.words) > 0 {
msg += fmt.Sprintf("Liste des derniers mots :\n")
for _, word := range m.words {
msg += fmt.Sprintf("* %s\n", word)
}
}
return msg
}