/** Guest sample: IRC-shaped TUI without a live socket. */

async function run(ctx) {
  if (!ctx.tui || !ctx.tui.isTTY()) {
    ctx.console.error('tui-irc example: needs a TTY')
    ctx.exitCode = 1
    return
  }
  const lines = [
    '12:00 -server- connected (example)',
    '12:01 <demo> hello from Bare OS'
  ]
  await ctx.tui.run(
    {
      n: 0,
      update: function (msg) {
        if (ctx.tui.key.matches(msg, 'q', 'ctrl+c')) return [this, ctx.tui.quit]
        return [this, null]
      },
      view: function () {
        return ctx.tui
          .style()
          .border(ctx.tui.style.borders.rounded)
          .width(60)
          .render(
            'irc example (no network)\n\n' +
              lines.join('\n') +
              '\n\nReal client: /bin/irc → irc.libera.chat:6697\nq quit'
          )
      }
    },
    { buffer: 'cell' }
  )
}