// -------------------------------------------------------------------------------------------
// Avia Timeline
// -------------------------------------------------------------------------------------------


(function($)
{
    "use strict";

    $(window).on('load', function (e)
	{
        if( $.AviaSlider )
		{
            $('.avia-timeline-container').avia_sc_timeline();
        }
    });


    $.fn.avia_sc_timeline = function (options)
	{
        return this.each( function ()
		{
			var container = this,
				timeline_id = '#' + $(this).attr('id'),
				timeline = $(timeline_id),
				methods;

            methods =
			{
				// make sure all milestones have the same height in horizontal timelines
				matchHeights: function()
				{
					//date
					this.setMinHeight( $(timeline_id + ' .av-milestone-placement-top .av-milestone-date'), true );

					//content
					this.setMinHeight( $(timeline_id + ' .av-milestone-placement-bottom .av-milestone-content-wrap'), true );

					//contentbox
					this.setMinHeight( $(timeline_id + ' .av-milestone-placement-bottom.avia-timeline-boxshadow .av-milestone-contentbox'), false );
					this.setMinHeight( $(timeline_id + ' .av-milestone-placement-top.avia-timeline-boxshadow .av-milestone-contentbox'), false );

					//alternate
					this.setMinHeight( $(timeline_id + ' .avia-timeline-horizontal.av-milestone-placement-alternate li >:first-child'), true );
				},

				setMinHeight: function( els, setNav )
				{
					if(els.length < 2)
					{
						return;
					}

					var elsHeights = new Array();
					els.css('min-height','0').each( function(i)
					{
						var current = $(this);
						var currentHeight = current.outerHeight(true);
						elsHeights.push(currentHeight);
					});

					var largest = Math.max.apply( null, elsHeights );
					els.css('min-height', largest);

					//set nav position
					if( setNav )
					{
						var $firstElement = els.first(),
							$parent = $firstElement.closest('.avia-timeline-container'),
							$pos = $firstElement.height();

						$parent.find('.av-timeline-nav').css( 'top', $pos );
					}

				},

				createCarousel: function(e)
				{
					var self = this,
						slider = $(timeline_id + '.avia-slideshow-carousel'),
						slides_num = 3,
						slides_num_small = 1;

					if( timeline.attr('avia-data-slides'))
					{
						slides_num = parseInt(timeline.attr('avia-data-slides'));
					}

					if( slides_num >= 2 )
					{
						slides_num_small = 2;
					}

					var sliderOptions = {
									carousel: 'yes',
									keep_padding: true,
									carouselSlidesToShow: slides_num,
									carouselSlidesToScroll: 3,
									carouselResponsive: [
													{
														breakpoint: 989,
														settings: {
																	carouselSlidesToShow: slides_num_small,
																	carouselSlidesToScroll: slides_num_small
																}
													},
													{
														breakpoint: 767,
														settings: {
																	carouselSlidesToShow: 1,
																	carouselSlidesToScroll: 1
																}
													}
												]
								};

					slider.aviaSlider( sliderOptions );

					slider.on('_kickOff',function()
					{
						self.matchHeights();
					});

					$(window).on( 'resize', function()
					{
						self.matchHeights();
					});

				},

				layoutHelpers: function(e)
				{
					$(timeline_id + ' .avia-timeline-vertical li').each( function(index, element)
					{
						var $length = $(this).parents('ul').find('li').length;
						var $icon_wrap = $(this).find('.av-milestone-icon-wrap');
						var $icon_wrap_height = $icon_wrap.outerHeight(true);
						var $icon_wrap_height_half = parseInt( $icon_wrap_height / 2 );

						if( index === ( $length - 1 ) )
						{
							$icon_wrap.css({
										'height': $icon_wrap_height_half
									});
						}
						else
						{
							$icon_wrap.css({
										'height': $icon_wrap_height
									});
						}
					});
				},

				fireAnimations: function(e)
				{
					if( $(timeline_id + ' > ul').hasClass('avia-timeline-vertical') )
					{
						var milestone = timeline.find('.av-milestone');

						timeline.on('avia_start_animation', function()
						{
							milestone.each(function(i)
							{
								var element = $(this);
								setTimeout( function(){ element.addClass('avia_start_animation'); }, ( i * 350 ) );
							});
						});
					}
				}
			};

            methods.createCarousel();
            methods.layoutHelpers();
            methods.fireAnimations();
            methods.matchHeights();
        });
    };

})(jQuery);