const { getAnswer } = require('../utils/common');

function errorHandler(err, req, res, _next) {
  console.error(err);
    if (typeof (err) === 'string') {
        return res.status(400).json(getAnswer([{ message: err }]));
    }
    
    if (err.name === 'UnauthorizedError') {
        // jwt authentication error
        return res.status(401).json(getAnswer([{ message: 'Invalid Token' }]));
    }
    
    // default to 500 server error
    return res.status(500).json(getAnswer([{ message: err?.message || 'Invalid Token' }]));
}

module.exports = errorHandler;