// from an old project: https://git.zenoverse.net/bigly-archive/auth-thing/raw/branch/main/src/routes/register/+page.server.js
import Route from "../route.js";
import initDb from "../db.js";
import { hash } from "bcrypt";
import captcha from "./captcha.js";

const minChar = 1;
const maxChar = 32;

let db = await initDb();

function isValid(user) {
    return user.search(/[^A-Za-z0-9\-\_]/g) == -1;
}

// TODO: rewrite
let main = new Route([captcha], async function (req, res, input) {
    let { user, pass, pass2 } = req.body;
    let { captchaMatch} = input;

    if (!captchaMatch) return { 'success': false, 'message': 'Captcha is incorrect' };

    if (pass != pass2) return { 'success': false, 'message': 'Passwords do not match' };

    if (!pass || !user || !pass2) return { 'success': false, 'message': 'Some fields are missing' };

    if (!isValid(user)) return { 'success': false, 'message': 'Username is invalid' };

    if (user.length < minChar || user.length > maxChar)
        return { 'success': false, 'message': `Username must be ${minChar} to ${maxChar} characters` };

    let isExist = await db.all('SELECT username FROM auth WHERE UPPER(username) LIKE UPPER(?)', [
        user
    ]);

    if (isExist.length > 0) return { 'success': false, 'message': 'Account already exists' };

    var passHash = await hash(pass, 10);

    await db.run('INSERT INTO auth (username, password) VALUES (?, ?)', [
        user,
        passHash
    ]);

    return { 'message': 'Account created', 'success': true, 'redirect': '/client/login' };
});

export default main;