const db = require("../models/index");
const Auth = db.Auth;

checkDuplicateUsernameOrEmail = (req, res, next) => {
    // Username
    Auth.findOne({
        where: {
            email: req.body.email
        }
    }).then(auth => {
        if (auth) {
            res.status(400).send({
                message: "Failed! Email is already in use!"
            });
            return;
        }

        next();
    });
};

checkRolesExisted = (req, res, next) => {
    if (req.body.roles) {
        const ROLES = ['player', 'coach', 'admin'];
        for (let i = 0; i < req.body.roles.length; i++) {
            if (!ROLES.includes(req.body.roles[i])) {
                res.status(400).send({
                    message: "Failed! Role does not exist = " + req.body.roles[i]
                });
                return;
            }
        }
    }

    next();
};

const verifySignUp = {
    checkDuplicateUsernameOrEmail: checkDuplicateUsernameOrEmail,
    checkRolesExisted: checkRolesExisted
};

module.exports = verifySignUp;