// -------------------------------------------------------------------------------------------
// big number animation shortcode javascript
// -------------------------------------------------------------------------------------------

(function($)
{
	// options.simple_up = dont prepend leading zeros, options.instant_start = trigger counting instantly, options.start_timer = delay when to start counting
	$.fn.avia_sc_animated_number = function(options) 
	{
		if(!this.length) return;
		if(this.is('.avia_sc_animated_number_active')) return;
		
		this.addclass('avia_sc_animated_number_active');
	
		var simple_upcount 	= (options && options.simple_up) ? true : false,
			start_timer 	= (options && options.start_timer) ? options.start_timer : 300,
			
			format_number = function( number, number_format, final_number )
			{
				var prepend = '', 
					addzeros = final_number.tostring().length - number.tostring().length;
			
				//if the number has less digits than the final number some zeros where omitted. add them to the front
				for(var i = addzeros; i > 0; i--)
				{ 
					prepend += '0'; 
				}
				
				number = ( simple_upcount ) ? number.tostring() : prepend + number.tostring();
				
				if( '' == number_format )
				{
					return number;
				}
				
				return number.split( /(?=(?:...)*$)/ ).join( number_format );
			},
				
			start_count = function(element, countto, increment, current, fakecountto, number_format)
			{
				//calculate the new number
				var newcount = current + increment,
					final = '';

				//if the number is bigger than our final number set the number and finish
				if(newcount >= fakecountto) 
				{
					final = format_number( countto, number_format, countto );
					element.text( final ); //exit
				}
				else
				{
					final = format_number( newcount, number_format, countto );
					element.text(final);

					window.requestanimationframe(function(){ start_count(element, countto, increment, newcount, fakecountto, number_format); });
				}
			};
	
		return this.each(function()
		{
			var number_container = $(this), elements = number_container.find('.__av-single-number'), counttimer = number_container.data('timer') || 3000;
			
			//prepare elements
			elements.each(function(i)
			{
				var element = $(this), text = element.text();
				if(window.addeventlistener) element.text( text.replace(/./g, "0")); /*https://github.com/aviathemes/wp-themes/issues/812*/
			});
			
			//trigger number animation
			number_container.addclass('number_prepared').on('avia_start_animation', function()
			{
				if(number_container.is('.avia_animation_done')) return;
				number_container.addclass('avia_animation_done');
				
				elements.each(function(i)
				{
					var element = $(this), 
						countto = element.data('number'), 
						fakecountto = countto, 
						current = parseint(element.text(),10), 
						zeroonly = /^0+$/.test(countto), 
						increment = 0,
						number_format = element.data('number_format');
					
					//fallback for decimals like 00 or 000
					if(zeroonly && countto !== 0) fakecountto = countto.replace(/0/g, '9');
					
					increment = math.round( fakecountto * 32 / counttimer);
					if(increment == 0 || increment % 10 == 0) increment += 1;
					
					settimeout(function(){ start_count(element, countto, increment, current, fakecountto, number_format);}, start_timer);
				});
			});
			
			if(options && options.instant_start == true)
			{
				number_container.trigger('avia_start_animation');
			}
			
			
		});
	};
})(jquery);