const isNode = typeof process === "object";

const $get = (url: string, cb: Function): void => {
  const req = new XMLHttpRequest();
  req.onreadystatechange = () => {
    if (req.readyState === 4 && req.status === 200) {
      cb(req.responseText);
    }
  };
  req.open("GET", url, true);
  req.send(null);
};

const $post = (url: string, data: any, cb: (...args: any[]) => void): void => {
  const req = new XMLHttpRequest();
  req.onreadystatechange = () => {
    if (req.readyState === 4 && req.status === 200) {
      cb(JSON.parse(req.responseText));
    }
  };
  req.open("POST", url);

  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  req.setRequestHeader("X-Requested-With", "XMLHttpRequest");

  req.send(JSON.stringify(data));
};

export default {
  get: (url: string): Promise<any> => {
    return new Promise((resolve) => {
      $get(url, (response) => resolve(response));
    });
  },
  post: (url: string, data: Object): Promise<any> => {
    return new Promise((resolve) => {
      $post(url, data, (response) => resolve(response));
    });
  },
};