/*global $, jQuery */
'use strict';

jQuery.fn.updatePagesPermissionsForm = function() {
  return this.each(function() {

    var perms = {};
    var re = /^perm\[(.+?)\]\[(.+?)\]$/;
    var e, prop;

    // Building a nice object of form elements
    for (var i = 0; i < this.elements.length; i++) {
      e = this.elements[i];

      if (e.name == undefined) {
        continue;
      }
      prop = e.name.match(re);
      if (!prop) {
        continue;
      }
      if (perms[prop[1]] == undefined) {
        perms[prop[1]] = {};
      }
      perms[prop[1]][prop[2]] = e;

      // select related permissions for admin
      if (prop[2] == 'admin') {
        if (e.checked) {
          admin(e, perms, re);
        }
        $(e).click(function() {
          admin(this, perms, re);
        });
      }
    }

    function admin(E, perms, re) {
      var P = E.name.match(re);

      perms[P[1]].pages.checked = E.checked;
      perms[P[1]].pages.disabled = E.checked;
    }
  });
};

$(function() {
  $('#permissions-form').updatePagesPermissionsForm();
});