+function ($) {
	'use strict';

	//var for check event at body can have only one.
	var event_body = false;

	// CONFIRMATION PUBLIC CLASS DEFINITION
	// ===============================
	var Confirmation = function (element, options) {
		var that = this;

		this.init('confirmation', element, options);


		$(element).on('show.bs.confirmation', function(e) {
			that.options.onShow(e, this);

			$(this).addClass('open');

			var options = that.options;
			var all = options.all_selector;

			if(options.singleton) {
				$(all+'.in').not(that.$element).confirmation('hide');
			}
		});

		$(element).on('hide.bs.confirmation', function(e) {
			that.options.onHide(e, this);

			$(this).removeClass('open');
		});

		$(element).on('shown.bs.confirmation', function(e) {
			var options = that.options;
			var all = options.all_selector;

			that.$element.on('click.dismiss.bs.confirmation', '[data-dismiss="confirmation"]', $.proxy(that.hide, that));

			if(that.isPopout()) {
				if(!event_body) {
					event_body = $('body').on('click', function (e) {
						if(that.$element.is(e.target)) return;
						if(that.$element.has(e.target).length) return;
						if($('.popover').has(e.target).length) return;

						that.$element.confirmation('hide');

						$('body').unbind(e);

						event_body = false;

						return;
					});
				}
			}
		});

		$(element).on('click', function(e) {
			e.preventDefault();
		});
	}

	if (!$.fn.popover || !$.fn.tooltip) throw new Error('Confirmation requires popover.js and tooltip.js');

	Confirmation.DEFAULTS = $.extend({}, $.fn.popover.Constructor.DEFAULTS, {
		placement 		: 'right',
		title 			: 'Are you sure?',
		btnOkClass 		: 'btn btn-sm btn-danger',
		btnOkLabel 		: 'Delete',
		btnOkIcon 		: 'glyphicon glyphicon-ok',
		btnCancelClass 	: 'btn btn-sm btn-default',
		btnCancelLabel 	: 'Cancel',
		btnCancelIcon 	: 'glyphicon glyphicon-remove',
		href 			: '#',
		target 			: '_self',
		singleton 		: true,
		popout 			: true,
		onShow 			: function(event, element){},
		onHide 			: function(event, element){},
		onConfirm 		: function(event, element){},
		onCancel 		: function(event, element){},
		template 		:   '<div class="popover"><div class="arrow"></div>'
							+ '<h3 class="popover-title"></h3>'
							+ '<div class="popover-content">'
							+ '<a data-apply="confirmation">Yes</a>'
							+ ' <a data-dismiss="confirmation">No</a>'
							+ '</div>'
							+ '</div>'
	});


	// NOTE: CONFIRMATION EXTENDS popover.js
	// ================================
	Confirmation.prototype = $.extend({}, $.fn.popover.Constructor.prototype);

	Confirmation.prototype.constructor = Confirmation;

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

	Confirmation.prototype.setContent = function () {
		var that = this;
		var $tip    = this.tip();
		var title   = this.getTitle();
		var $btnOk	    = $tip.find('[data-apply="confirmation"]');
		var $btnCancel  = $tip.find('[data-dismiss="confirmation"]');
		var options	    = this.options

		$btnOk.addClass(this.getBtnOkClass())
			.html(this.getBtnOkLabel())
			.prepend($('<i></i>').addClass(this.getBtnOkIcon()), " ")
			.attr('href', this.getHref())
			.attr('target', this.getTarget())
			.off('click').on('click', function(event) {
				options.onConfirm(event, that.$element);

				that.$element.confirmation('hide');
			});

		$btnCancel.addClass(this.getBtnCancelClass())
			.html(this.getBtnCancelLabel())
			.prepend($('<i></i>').addClass(this.getBtnCancelIcon()), " ")
			.off('click').on('click', function(event){
				options.onCancel(event, that.$element);

				that.$element.confirmation('hide');
			});

		$tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title);

		$tip.removeClass('fade top bottom left right in');

		// IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do
		// this manually by checking the contents.
		if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide();
	}

	Confirmation.prototype.getBtnOkClass = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getBtnOkLabel = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getBtnOkIcon = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getBtnCancelClass = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getBtnCancelLabel = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getBtnCancelIcon = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getHref = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.getTarget = function () {
		var $e = this.$element;
		var o  = this.options;

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

	Confirmation.prototype.isPopout = function () {
		var popout;
		var $e = this.$element;
		var o = this.options;

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

		if(popout == 'false') popout = false;

		return popout
	}


	// CONFIRMATION PLUGIN DEFINITION
	// =========================
	var old = $.fn.confirmation;

	$.fn.confirmation = function (option) {
		var that = this;

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

			options = options || {};
			options.all_selector = that.selector;

			if (!data && option == 'destroy') return;
			if (!data) $this.data('bs.confirmation', (data = new Confirmation(this, options)));
			if (typeof option == 'string') data[option]();
		});
	}

	$.fn.confirmation.Constructor = Confirmation


	// CONFIRMATION NO CONFLICT
	// ===================
	$.fn.confirmation.noConflict = function () {
		$.fn.confirmation = old;

		return this;
	}
}(jQuery);
