(function ($) {
  $(document).ready(function() {

    // jQuery reverse
    $.fn.reverse = [].reverse;

    $(document).on('mouseenter.fixedActionBtn', '.fixed-action-btn', function(e) {
      var $this = $(this);
      openFABMenu($this);

    });

    $(document).on('mouseleave.fixedActionBtn', '.fixed-action-btn', function(e) {
      var $this = $(this);
      closeFABMenu($this);
    });

  });

  $.fn.extend({
    openFAB: function() {
      var $this = $(this);
      openFABMenu($this);
    },
    closeFAB: function() {
      closeFABMenu($this);
    }
  });


  var openFABMenu = function (btn) {
    $this = btn;
    if ($this.hasClass('active') === false) {
      $this.addClass('active');
      $this.find('ul .btn-floating').velocity(
        { scaleY: ".4", scaleX: ".4", translateY: "40px"},
        { duration: 0 });

      var time = 0;
      $this.find('ul .btn-floating').reverse().each(function () {
        $(this).velocity(
          { opacity: "1", scaleX: "1", scaleY: "1", translateY: "0"},
          { duration: 80, delay: time });
        time += 40;
      });
    }
  };

  var closeFABMenu = function (btn) {
    $this = btn;
    $this.removeClass('active');
    var time = 0;
    $this.find('ul .btn-floating').velocity("stop", true);
    $this.find('ul .btn-floating').velocity(
      { opacity: "0", scaleX: ".4", scaleY: ".4", translateY: "40px"},
      { duration: 80 }
    );
  };


}( jQuery ));