'use strict';

// eslint-disable-next-line no-unused-vars
class Util {
  static createAndAppend(name, parent, options = {}) {
    const elem = document.createElement(name);
    parent.appendChild(elem);
    Object.keys(options).forEach((key) => {
      const value = options[key];
      if (key === 'text') {
        elem.innerText = value;
      } else {
        elem.setAttribute(key, value);
      }
    });
    return elem;
  }

  static fetchJSON(url) {
    return new Promise((resolve, reject) => {
      const xhr = new XMLHttpRequest();
      xhr.open('GET', url);
      xhr.responseType = 'json';
      xhr.onload = () => {
        if (xhr.status < 400) {
          resolve(xhr.response);
        } else {
          reject(new Error(`Network error: ${xhr.status} - ${xhr.statusText}`));
        }
      };
      xhr.onerror = () => reject(new Error('Network request failed'));
      xhr.send();
    });
  }
}