/**
 * @file
 * Extends methods from core/misc/progress.js.
 */

(function ($, Drupal) {

  'use strict';

  /**
   * Theme function for the progress bar.
   *
   * @param {string} id
   *
   * @return {string}
   *   The HTML for the progress bar.
   */
  Drupal.theme.progressBar = function (id) {
    return '<div class="progress-wrapper" aria-live="polite">' +
             '<div class="message"></div>'+
             '<div id ="' + id + '" class="progress progress-striped active">' +
               '<div class="progress-bar" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">' +
                 '<span class="percentage"></span>' +
               '</div>' +
             '</div>' +
             '<div class="progress-label"></div>' +
           '</div>';
  };

  $.extend(Drupal.ProgressBar.prototype, /** @lends Drupal.ProgressBar */{

    /**
     * Set the percentage and status message for the progressbar.
     *
     * @param {number} percentage
     * @param {string} message
     * @param {string} label
     */
    setProgress: function (percentage, message, label) {
      if (percentage >= 0 && percentage <= 100) {
        $(this.element).find('.progress-bar').css('width', percentage + '%').attr('aria-valuenow', percentage);
        $(this.element).find('.percentage').html(percentage + '%');
      }
      if (message) {
        // Remove the unnecessary whitespace at the end of the message.
        message = message.replace(/<br\/>&nbsp;|\s*$/, '');

        $('.message', this.element).html(message);
      }
      if (label) {
        $('.progress-label', this.element).html(label);
      }
      if (this.updateCallback) {
        this.updateCallback(percentage, message, this);
      }
    },

    /**
     * Display errors on the page.
     *
     * @param {string} string
     */
    displayError: function (string) {
      var error = $('<div class="alert alert-block alert-error"><button class="close" data-dismiss="alert">&times;</button><h4>' + Drupal.t('Error message') + '</h4></div>').append(string);
      $(this.element).before(error).hide();

      if (this.errorCallback) {
        this.errorCallback(this);
      }
    }
  });

})(jQuery, Drupal);