/**
   * This extension displays polls.
   */
  (function () {
      function poll() { 
          return [{
              type: 'lang',
              filter: function(text) {
                  return text.replace(/^\[poll id=([a-f\d]+)\]\s*$/gm, function(match, id) {
                      var string;
  
                      if (window['pollCache-' + id]) {
                          string = window['pollCache-' + id]; 
                          string = string.replace(/fr-poll(-preview)?="(.*?)"/g, '');
                          string = string.replace(/ng-/g, 'not-ng-');
                          string = string.replace(/ngIf/g, 'not-ngIf');
                          string = string.replace(/ngRepeat/g, 'not-ngRepeat');
                          string = string.replace(/\s+/g, ' ');
                      } else {
                          string = '<div ng-cloak class="poll" fr-poll="' + id + '" fr-poll-preview></div>';
                      }
  
                      return string;
                  });
              }
          }];
      }
  
      angular.module('footyroom').directive("frPollPreview", [function() {
          return {
              require: 'frPoll',
  
              link: function(scope, el, attrs, ctrl) {
                  // Prevent clicks on the poll.
                  el.prepend('<div style="position: absolute; width: 100%; height: 100%"></div>');
  
                  scope.$watch(
                      function() {
                          return ctrl.poll;
                      },
                      function(newValue) {
                          if (newValue) {
                              // Show prestine poll condition.
                              delete ctrl.showPollResult;
                              delete ctrl.selectedChoice;
  
                              // Cache poll's html.
                              setTimeout(function() {
                                  window['pollCache-' + ctrl.frPoll] = el[0].outerHTML;
                              }, 0);
                          }
                      }
                  );
              }
          };
      }]);
  
      if (window && window.showdown) {
          window.showdown.extensions.poll = poll;
      }
  
      if (typeof module !== 'undefined') {
          module.exports = poll;
      }
  })();