+function ($) {
  'use strict';

  // TOOLTIP PUBLIC CLASS DEFINITION
  // ===============================

  var Tooltip = function (element, options) {
    this.type = null;
    this.options = null;

    this.enabled = null;
    this.timeout = null;
    this.hoverState = null;
    this.$element = null;
    this.inState = null;

    this.init('tooltip', element, options);
  };

  Tooltip.VERSION = '1.0.0';
  Tooltip.TRANSITION_DURATION = 150;
  Tooltip.DEFAULTS = {
    animation: true,
    container: false,
    delay: 0,
    html: true,
    placement: 'top',
    selector: false,
    template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
    title: '',
    trigger: 'hover focus',
    viewport: {
      selector: 'body',
      padding: 0
    }
  };

  Tooltip.prototype.constructor = Tooltip;

  Tooltip.prototype.init = function (type, element, options) {
    this.enabled = true;
    this.type = type;
    this.$element = $(element);
    this.options = this.getOptions(options);
    this.inState = { click: false, hover: false, focus: false };
    this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ?
      this.options.viewport.call(this, this.$element) :
      (this.options.viewport.selector || this.options.viewport));

    if (this.$element[0] instanceof document.constructor && !this.options.selector) {
      throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!');
    }

    var triggers = this.options.trigger.split(' ');

    for (var i = triggers.length; i--;) {
      var trigger = triggers[i];

      if (trigger === 'click') {
        this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this));
      } else if (trigger != 'manual') {
        var eventIn = trigger === 'hover' ? 'mouseenter' : 'focusin';
        var eventOut = trigger === 'hover' ? 'mouseleave' : 'focusout';

        this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this));
        this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this));
      }
    }

    this.options.selector ?
      (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
      this.fixTitle();
  };

  Tooltip.prototype.getDefaults = function () {
    return Tooltip.DEFAULTS;
  };

  Tooltip.prototype.getOptions = function (options) {
    options = $.extend({}, this.getDefaults(), this.$element.data(), options);

    if (options.delay && typeof options.delay === 'number') {
      options.delay = {
        show: options.delay,
        hide: options.delay
      };
    }

    return options;
  };

  Tooltip.prototype.getDelegateOptions = function () {
    var options = {};
    var defaults = this.getDefaults();

    this._options && $.each(this._options, function (key, value) {
      if (defaults[key] != value) {
        options[key] = value;
      }
    });

    return options;
  };

  Tooltip.prototype.enter = function (obj) {
    var self = obj instanceof this.constructor ?
      obj : $(obj.currentTarget).data('bs.' + this.type);

    if (!self) {
      self = new this.constructor(obj.currentTarget, this.getDelegateOptions());
      $(obj.currentTarget).data('bs.' + this.type, self);
    }
    if (obj instanceof $.Event) {
      self.inState[obj.type === 'focusin' ? 'focus' : 'hover'] = true;
    }
    if (self.tip().hasClass('in') || self.hoverState === 'in') {
      self.hoverState = 'in';
      return;
    }

    clearTimeout(self.timeout);

    self.hoverState = 'in';

    if (!self.options.delay || !self.options.delay.show) return self.show();

    self.timeout = setTimeout(function () {
      if (self.hoverState === 'in') self.show();
    }, self.options.delay.show);
  };

  Tooltip.prototype.isInStateTrue = function () {
    for (var key in this.inState) {
      if (this.inState[key]) return true;
    }

    return false;
  };

  Tooltip.prototype.leave = function (obj) {
    var self = obj instanceof this.constructor ?
      obj : $(obj.currentTarget).data('bs.' + this.type);

    if (!self) {
      self = new this.constructor(obj.currentTarget, this.getDelegateOptions());
      $(obj.currentTarget).data('bs.' + this.type, self);
    }
    if (obj instanceof $.Event) {
      self.inState[obj.type === 'focusout' ? 'focus' : 'hover'] = false;
    }
    if (self.isInStateTrue()) return;

    clearTimeout(self.timeout);

    self.hoverState = 'out';

    if (!self.options.delay || !self.options.delay.hide) return self.hide();

    self.timeout = setTimeout(function () {
      if (self.hoverState === 'out') self.hide();
    }, self.options.delay.hide);
  };

  Tooltip.prototype.show = function () {
    var e = $.Event('show.bs.' + this.type);

    if (this.hasContent() && this.enabled) {
      this.$element.trigger(e);

      var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0]);

      if (e.isDefaultPrevented() || !inDom) return;

      var that = this;
      var $tip = this.tip();
      var tipId = this.getUID(this.type);

      this.setContent();
      $tip.attr('id', tipId);
      this.$element.attr('aria-describedby', tipId);

      if (this.options.animation) $tip.addClass('fade');

      var placement = typeof this.options.placement === 'function' ?
        this.options.placement.call(this, $tip[0], this.$element[0]) :
        this.options.placement;
      var autoToken = /\s?auto?\s?/i;
      var autoPlace = autoToken.test(placement);

      if (autoPlace) {
        placement = placement.replace(autoToken, '') || 'top';
      }

      $tip.detach()
        .css({ top: 0, left: 0, display: 'block' })
        .addClass(placement)
        .data('bs.' + this.type, this);

      this.options.container ?
        $tip.appendTo(this.options.container) :
        $tip.insertAfter(this.$element);
      this.$element.trigger('inserted.bs.' + this.type);

      var pos = this.getPosition();
      var actualWidth = $tip[0].offsetWidth;
      var actualHeight = $tip[0].offsetHeight;

      if (autoPlace) {
        var orgPlacement = placement;
        var viewportDim = this.getPosition(this.$viewport);

        placement = placement === 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top' :
                    placement === 'top' && pos.top - actualHeight < viewportDim.top ? 'bottom' :
                    placement === 'right' && pos.right + actualWidth > viewportDim.width ? 'left' :
                    placement === 'left' && pos.left - actualWidth < viewportDim.left ? 'right' :
                    placement;

        $tip.removeClass(orgPlacement)
          .addClass(placement);
      }

      var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight);

      this.applyPlacement(calculatedOffset, placement);

      var complete = function () {
        var prevHoverState = that.hoverState;

        that.$element.trigger('shown.bs.' + that.type);
        that.hoverState = null;

        if (prevHoverState === 'out') that.leave(that);
      };

      $.support.transition && this.$tip.hasClass('fade') ?
        $tip.one('bsTransitionEnd', complete)
          .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
          complete();
    }
  };

  Tooltip.prototype.applyPlacement = function (offset, placement) {
    var $tip = this.tip();
    var width = $tip[0].offsetWidth;
    var height = $tip[0].offsetHeight;
    var marginTop = parseInt($tip.css('margin-top'), 10);
    var marginLeft = parseInt($tip.css('margin-left'), 10);

    if (isNaN(marginTop)) marginTop = 0;
    if (isNaN(marginLeft)) marginLeft = 0;

    offset.top += marginTop;
    offset.left += marginLeft;

    $.offset.setOffset($tip[0], $.extend({
      using: function (props) {
        $tip.css({
          top: Math.round(props.top),
          left: Math.round(props.left)
        });
      }
    }, offset), 0);

    $tip.addClass('in');

    var actualWidth = $tip[0].offsetWidth;
    var actualHeight = $tip[0].offsetHeight;

    if (placement === 'top' && actualHeight != height) {
      offset.top = offset.top + height - actualHeight;
    }

    var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight);

    if (delta.left) {
      offset.left += delta.left;
    } else {
      offset.top += delta.top;
    }

    var isVertical = /top|bottom/.test(placement);
    var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight;
    var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight';

    $tip.offset(offset);
    this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical);
  };

  Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {
    this.arrow()
      .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
      .css(isVertical ? 'top' : 'left', '');
  };

  Tooltip.prototype.setContent = function () {
    var $tip = this.tip();
    var title = this.getTitle();

    $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title);
    $tip.removeClass('fade in top bottom left right');
  };

  Tooltip.prototype.hide = function (callback) {
    var that = this;
    var $tip = $(this.$tip);
    var e = $.Event('hide.bs.' + this.type);

    function complete() {
      if (that.hoverState !== 'in') $tip.detach();

      that.$element
        .removeAttr('aria-describedby')
        .trigger('hidden.bs.' + that.type);

      callback && callback();
    }

    this.$element.trigger(e);

    if (e.isDefaultPrevented()) return;

    $tip.removeClass('in');

    $.support.transition && $tip.hasClass('fade') ?
      $tip.one('bsTransitionEnd', complete)
        .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
        complete();

    this.hoverState = null;

    return this;
  };

  Tooltip.prototype.fixTitle = function () {
    var $e = this.$element;

    if ($e.attr('title') || typeof $e.attr('data-original-title') !== 'string') {
      $e.attr('data-original-title', $e.attr('title') || '')
        .attr('title', '');
    }
  };

  Tooltip.prototype.hasContent = function () {
    return this.getTitle();
  };

  Tooltip.prototype.getPosition = function ($element) {
    $element = $element || this.$element;

    var el = $element[0];
    var isBody = el.tagName === 'BODY';
    var elRect = el.getBoundingClientRect();

    if (elRect.width === null) {
      elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top });
    }

    var elOffset = isBody ? { top: 0, left: 0 } : $element.offset();
    var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() };
    var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null;

    return $.extend({}, elRect, scroll, outerDims, elOffset);
  };

  Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
    return placement === 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } :
           placement === 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
           placement === 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
        /* placement === 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width };

  };

  Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
    var delta = { top: 0, left: 0 };

    if (!this.$viewport) return delta;

    var viewportPadding = this.options.viewport && this.options.viewport.padding || 0;
    var viewportDimensions = this.getPosition(this.$viewport);

    if (/right|left/.test(placement)) {
      var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll;
      var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight;

      if (topEdgeOffset < viewportDimensions.top) {
        delta.top = viewportDimensions.top - topEdgeOffset;
      } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) {
        delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset;
      }
    } else {
      var leftEdgeOffset = pos.left - viewportPadding;
      var rightEdgeOffset = pos.left + viewportPadding + actualWidth;

      if (leftEdgeOffset < viewportDimensions.left) {
        delta.left = viewportDimensions.left - leftEdgeOffset;
      } else if (rightEdgeOffset > viewportDimensions.right) {
        delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset;
      }
    }

    return delta;
  };

  Tooltip.prototype.getTitle = function () {
    var title;
    var $e = this.$element;
    var o = this.options;

    title = $e.attr('data-original-title') ||
      (typeof o.title === 'function' ? o.title.call($e[0]) :  o.title);

    return title;
  };

  Tooltip.prototype.getUID = function (prefix) {
    do prefix += ~~(Math.random() * 1000000);
    while (document.getElementById(prefix));
    return prefix;
  };

  Tooltip.prototype.tip = function () {
    if (!this.$tip) {
      this.$tip = $(this.options.template);

      if (this.$tip.length != 1) {
        throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!');
      }
    }

    return this.$tip;
  };

  Tooltip.prototype.arrow = function () {
    return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'));
  };

  Tooltip.prototype.enable = function () {
    this.enabled = true;
  };

  Tooltip.prototype.disable = function () {
    this.enabled = false;
  };

  Tooltip.prototype.toggleEnabled = function () {
    this.enabled = !this.enabled;
  };

  Tooltip.prototype.toggle = function (e) {
    var self = this;

    if (e) {
      self = $(e.currentTarget).data('bs.' + this.type);

      if (!self) {
        self = new this.constructor(e.currentTarget, this.getDelegateOptions());
        $(e.currentTarget).data('bs.' + this.type, self);
      }
    }

    if (e) {
      self.inState.click = !self.inState.click;
      self.isInStateTrue() ?
        self.enter(self) :
        self.leave(self);
    } else {
      self.tip().hasClass('in') ?
        self.leave(self) :
        self.enter(self);
    }
  };

  Tooltip.prototype.destroy = function () {
    var that = this;

    clearTimeout(this.timeout);
    this.hide(function () {
      that.$element.off('.' + that.type).removeData('bs.' + that.type);

      if (that.$tip) that.$tip.detach();

      that.$tip = null;
      that.$arrow = null;
      that.$viewport = null;
    });
  };

  // TOOLTIP PLUGIN DEFINITION
  // =========================

  function Plugin(option) {
    return this.each(function () {
      var $this = $(this);
      var data = $this.data('bs.tooltip');
      var options = typeof option === 'object' && option;

      if (!data && /destroy|hide/.test(option)) return;
      if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)));
      if (typeof option === 'string') data[option]();
    });
  }

  var old = $.fn.tooltip;

  $.fn.tooltip = Plugin;
  $.fn.tooltip.Constructor = Tooltip;

  // TOOLTIP NO CONFLICT
  // ===================

  $.fn.tooltip.noConflict = function () {
    $.fn.tooltip = old;
    return this;
  };

  // TOOLTIP DATA-API
  // ================

  $(document).on('ready.bs.tooltip.data-api', function () {
      $('[data-hover="tooltip"]').each(function () {
        var $this = $(this);
        if ($this.data('tooltip')) return;
        Plugin.call($this, $this.data());
      });
    }).on('hover.bs.tooltip.data-api', '[data-hover="tooltip"]', function (e) {
      var $this = $(this);
      if ($this.data('tooltip')) return;
      Plugin.call($this, $this.data());
    });

}(jQuery);