import jwt from 'jsonwebtoken';
import config from '../../config/default.json' assert { type: 'json' };

const verifyTokenAndDecoded = (req, res, next) => {
    const authData = req.headers.authorization;
    if(!authData) {
        return res.status(403).json({
            message: 'No token provided!'
        })
    }
    const token = authData.split(' ')[1];
 
    jwt.verify(token, config.app.key, (err, decoded) => {
        if(err) {
            return res.status(401).json({
                message: "Unauthorized!"
            })
        }
        req.userId = decoded.id;
        req.role = decoded.role;
        next()
    })
}

const verifyToken = (req, res, next) => {
    verifyTokenAndDecoded(req, res, next)
}

const isAdmin = (req, res, next) => {
    verifyTokenAndDecoded(req, res, (err) => {
        if (err) return next(err)
        if (req.role == 1) {
            next()
        } else {
            return res.status(403).json({
                message: "Require admin role!"
            })
        }
    })
    
}

export { verifyToken, isAdmin}