Untitled

const User = require('./models/user');

app.post('/signup', async (req, res) => {
  try {
    const { username, password } = req.body;
    const user = new User({ username, password });
    await user.save();
    res.status(201).send('User created successfully');
  } catch (error) {
    console.error(error);
    res.status(500).send('Internal Server Error');
  }
});

app.post('/login', async (req, res) => {
  try {
    const { username, password } = req.body;
    const user = await User.findOne({ username });

    if (!user || !(await bcrypt.compare(password, user.password))) {
      return res.status(401).send('Invalid username or password');
    }

    const token = jwt.sign({ username: user.username }, 'your-secret-key');
    res.status(200).json({ token });
  } catch (error) {
    console.error(error);
    res.status(500).send('Internal Server Error');
  }
});