/**
 * Copyright © 2020 Imagine. All rights reserved.
 */
define([
    "jquery"
], function($){
    "use strict";
    
    // Script only active if on product smartphone (device) page 
    if($("body.catalog-product-view.smartphone-product").length > 0 )
    {    
    	var mobile_breakpoint = 768;
    	var sticky_header_height = $('.product-top-info-wrapper').height();
		$(window).scroll(function() {			
			
			// If mobile => top always = 0
			if( $(window).width() <= mobile_breakpoint ){
				$('.product.media').removeClass('sticky-media');
				$('.product.media').css('top',0);
				return false;
            }
			
			
			var scroll_top = $(document).scrollTop();
			var offset_col_main = $('.product-info-main').offset().top - sticky_header_height;
			var margin_diff = 200;
			
			var max_top_col_media = $('.product-info-main').offset().top + $('.product-info-main').height() - $('.product.media').height() - margin_diff;
			if(max_top_col_media < 0 )
			{
				max_top_col_media = 0;
			}
			
			if (scroll_top > offset_col_main) {
				$('.product.media').addClass('sticky-media');
				$('.product.media').css('top',Math.min(scroll_top - offset_col_main, max_top_col_media));
			}else{
				$('.product.media').removeClass('sticky-media');
				$('.product.media').css('top',0);
			}
			
		});	
		
    }
	
});