const utils = require('../../utils.js');
const jwt = require('jsonwebtoken');

const generateToken = (payload, options) => {
    return jwt.sign(payload, utils.env.JWT_SECRET || 'YZ2Cgx82t4wEBJ7w8ibLNwYoQSoXuxLG', {
        expiresIn: 60, 
        ...options
    });
};

const verifyToken = (token, callback) => {
    return jwt.verify(token, utils.env.JWT_SECRET || 'YZ2Cgx82t4wEBJ7w8ibLNwYoQSoXuxLG', callback);
};

function checkToken(req, res, next) {
    const token = req.get('token');
    if (!token) {
        return res.json({
            code: '0001',
            message: 'token is required',
            data: null
        });
    }
    verifyToken(token, (err, data) => {
        if (err) {
            return res.json({
                code: '0002',
                message: 'token is invalid',
                data: null
            });
        }
        req.tokenData = data;
        next();
    })
}

module.exports = {
    generateToken,
    verifyToken
};