var constants = require('./helpers/constants');

/**
 * Open a popup window to the supplied url.
 *
 * @param {String} url - the url to open
 * @returns {Object}
 */
function open(url) {
  var width = 700;
  var height = 600;
  var left = 0;
  var top = 0;
  var windowName = 'connect-zoom-account-to-doodle';

  // window.screen is not available on IE11
  if (window && window.screen) {
    left = window.screen.width / 2 - width / 2;
    top = window.screen.height / 2 - height / 2;
  }

  return window.open(
    url,
    windowName,
    'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=' +
      width +
      ', height=' +
      height +
      ', top=' +
      top +
      ', left=' +
      left
  );
}

/**
 * Checks is the supplied window has been closed.
 *
 * @param {Object} win - the window object to check
 * @param {Number|Undefined} timeoutMs - the timeout in milliseconds
 * @returns {Promise}
 */
function checkIfWindowClosed(win, timeoutMs) {
  // 180000 milliseconds is 3 minutes
  var timeout = 180000;

  if (typeof timeoutMs === 'number') {
    timeout = timeoutMs;
  }

  return new Promise(function(resolve, reject) {
    var closingTimerId = setTimeout(function() {
      reject(new Error(constants.errors.WINDOW_NOT_CLOSED_WITHIN_TIMEOUT));
    }, timeout);

    var timer = setInterval(function() {
      if (win && win.closed) {
        window.clearInterval(timer);
        window.clearInterval(closingTimerId);
        resolve(true);
      }
    }, 100);
  });
}

module.exports = {
  checkIfWindowClosed: checkIfWindowClosed,
  open: open,
};