bot.js

const {
  default: makeWASocket,
  useMultiFileAuthState,
  DisconnectReason
} = require("@whiskeysockets/baileys");

const readline = require("readline");
const { execSync } = require("child_process");

// run() function (as requested)
function run(cmd) {
  try {
    execSync(cmd, { stdio: "inherit", shell: "/bin/bash" });
  } catch (e) {
    console.error("Failed:", cmd);
  }
}

// Fetch Baileys version
let baileysVersion = "unknown";

try {
  baileysVersion = execSync("npm view @whiskeysockets/baileys version")
    .toString()
    .trim();
} catch (_) {}

console.log("📦 Baileys Version:", baileysVersion);

// readline setup
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

async function startBot() {
  const { state, saveCreds } = await useMultiFileAuthState("./session");

  const sock = makeWASocket({
    auth: state,
    printQRInTerminal: false
  });

  sock.ev.on("creds.update", saveCreds);

  sock.ev.on("connection.update", (update) => {
    const { connection, lastDisconnect } = update;

    if (connection === "open") {
      console.log("✅ WhatsApp Connected");

      run("echo Bot started successfully");

      rl.close();
    }

    if (connection === "close") {
      const code = lastDisconnect?.error?.output?.statusCode;

      if (code !== DisconnectReason.loggedOut) {
        console.log("🔁 Connection closed. Reconnecting...");
        startBot();
      } else {
        console.log("❌ Logged out");
      }
    }
  });

  // Pairing code login
  if (!sock.authState.creds.registered) {
    rl.question("📱 Enter WhatsApp number (e.g. 15551234567): ", async (num) => {
      try {
        const code = await sock.requestPairingCode(num.trim());
        console.log("🔑 Pairing Code:", code);

        run("echo Pairing code generated");
      } catch (_) {
        console.log("⚠️ Failed to generate pairing code");
      }
    });
  }
}

startBot();