validation.js

const Joi = require('joi');

const registerValidation = (data) => {
    const schema = Joi.object({
        username: Joi.string().min(6).max(255).required(),
        email: Joi.string().min(6).max(255).required(),
        password: Joi.string().min(6).max(255).required()
    });

    return schema.validate(data);
}

const loginValidation = (data) => {
    const schema = Joi.object({
        email: Joi.string().min(6).max(255).required(),
        password: Joi.string().min(6).max(255).required()
    });
    
    return schema.validate(data);
}

const verifyToken = (req, res, next) => {
    const token = req.header('auth-token');

    if (!token) {
        return res.status(401).json({ error: 'Access denied!' });
    }

    try {
        const verified = jwt.verify(token, process.env.TOKEN_SECRET);
        req.user = verified;
        next();
    } catch (error) {
        res.status(400).json({ error: 'Token is not valid!'} );
    }
}

module.exports = { registerValidation, loginValidation, verifyToken };