export function numberToEuroFormat(number) {
    let formatter = new Intl.NumberFormat('de', { style: 'currency', currency: 'EUR' });
    return formatter.format(number);
}

export function isJson(string) {
    try { JSON.parse(string); }
    catch (error) { return false; }
    return true;
}

export function isEncoded(string) {
    try { atob(string); }
    catch (error) { return false; }
    return true;
}

export function fetchData(method = null, url, data = null) {

    const csrf = $('meta[name="csrf-token"]').attr('content');
    const urlBase = document.querySelector('meta[name="url-base"]').getAttribute("content");

    const urlPattern = /^(https?:\/\/|ftp:\/\/)[^\s/$.?#].[^\s]*$/i;
    const pathPattern = /^(\/|[^\/\s]+\/)[^\s]*$/;

    if (pathPattern.test(url)) url = urlBase + (url.startsWith('/') ? "" : "/") + url;
    else if (!urlPattern.test(url)) throw new Error("Invalid URL.");

    return fetch(url, {
        method: method ?? 'GET',
        headers: {
            'Content-Type': 'application/json',
            'X-CSRF-TOKEN': csrf
        },
        body: JSON.stringify(data ?? {})
    })
        .then(response => response.json())
        .catch(error => console.error("Error fetching data:", error));
}

export function url(path = "") {
    let protocol = window.location.protocol;
    let host = window.location.hostname;
    let port = window.location.port;
    let pathk = window.location.pathname;

    let baseUrl = protocol + "//" + host + (port ? ':' + port : '');

    let pathArray = pathk.split('/');
    pathArray.pop();
    let directoryOnly = pathArray.join('/');

    return baseUrl + directoryOnly + '/' + path;
}