import { addClass /*writeInfo*/, div, getById, span } from "/common.module.js";

function writeInfo(label, msg) {
    log.appendChild(
        div(
            addClass(div(addClass(span(label), "noselect"), span(msg)), "info"),
        ),
    );
}

export function onLoad() {
    const gen_bsn = getById("bsn");
    gen_bsn.addEventListener("click", generateBsn);
}

function generateBsn() {
    const nr9 = Math.floor(Math.random() * 7);
    const nr8 = Math.floor(Math.random() * 10);
    const nr7 = Math.floor(Math.random() * 10);
    const nr6 = Math.floor(Math.random() * 10);
    const nr5 = Math.floor(Math.random() * 10);
    const nr4 = Math.floor(Math.random() * 10);
    const nr3 = Math.floor(Math.random() * 10);
    let nr2 = Math.floor(Math.random() * 10);
    const bsnNumber =
        9 * nr9 +
        8 * nr8 +
        7 * nr7 +
        6 * nr6 +
        5 * nr5 +
        4 * nr4 +
        3 * nr3 +
        2 * nr2;
    let nr1 = Math.floor(bsnNumber - Math.floor(bsnNumber / 11) * 11);
    if (nr1 > 9) {
        if (nr2 > 0) {
            nr2 -= 1;
            nr1 = 8;
        } else {
            nr2 += 1;
            nr1 = 1;
        }
    }

    const BSNString = "" + nr9 + nr8 + nr7 + nr6 + nr5 + nr4 + nr3 + nr2 + nr1;
    writeInfo("BSN: ", BSNString);
}