/*
 * 	Easy Slider - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/3783/jquery-plugin-easy-image-or-content-slider
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */
 
/*
 *	markup example for $("#images").easySlider();
 *	
 * 	<div id="images">
 *		<ul>
 *			<li><img src="images/01.jpg" alt="" /></li>
 *			<li><img src="images/02.jpg" alt="" /></li>
 *			<li><img src="images/03.jpg" alt="" /></li>
 *			<li><img src="images/04.jpg" alt="" /></li>
 *			<li><img src="images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *
 */
 
 function makeValues() {
 						var pph =  jQuery('#input-perhour').val();
						pph = pph.replace(/^\s+|\s+$/g, '');
						var currency = String(pph).charAt(0);
						if (isNaN(currency)) {
							var currencyNum = pph.substring(1);
						} else {
							currency = '';
							var currencyNum = pph;
						}
						var videos =  jQuery('#input-videos').val();
						videos = videos.replace(/[^0-9.]/g, "");
						var questions =  jQuery('#input-questions').val();
						questions = questions.replace(/[^0-9.]/g, "");
						var projects =  jQuery('#input-projects').val();
						projects = projects.replace(/[^0-9.]/g, "");
						hourCalculation(currency,currencyNum,videos,questions,projects);
						
 }
 
 function hourCalculation(currency,currencyNum,videos,questions,projects) {
 	var total_cost = (((currencyNum * videos) + (currencyNum * questions)) * projects);
 	jQuery('#currency-symbol').html(currency);
 	jQuery('#currency-value').html(total_cost);
 	jQuery('#watch-our').pause(2000).fadeIn(1000, function() {
 		doBGFade(jQuery('#watch-our'),'yellow');
 	});
 }
 
 function mod(id, value) {
    var numb = jQuery(id).html();
    var current_value = parseInt(numb);

    // determine direction to go
    var dir = 1;
    if (current_value - value > 0) {
        dir *= -1;
    }
    getThere(id, current_value, value, dir);
}

function getThere(id, current_value, target_value, dir) {
    current_value += dir;
    jQuery(id).html(current_value);
    if (current_value == 400) {
    		jQuery('#calculation p').fadeOut('slow');
    }    
    if (current_value == 200) {
    	jQuery('#final-total-container').fadeOut("4000", function() {
    		console.log('done');
    	});
    }
    if (current_value != target_value) {
        setTimeout("getThere('"+id+"',"+current_value+","+target_value+","+dir+")", 10);
    }
}


(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			orientation:	'', //  'vertical' is optional;
			speed: 			800			
		}; 
		
		var options = $.extend(defaults, options);  
		
		return this.each(function() {  
			obj = $(this); 				
			var s = $("li", obj).length;
			var w = obj.width(); 
			var h = obj.height(); 
			var ts = s-1;
			var t = 0;
			var vertical = (options.orientation == 'vertical');
			$("ul", obj).css('width',s*w);			
			if(!vertical) $("li", obj).css('float','left');
			//$(obj).after('<span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span> <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>');		
			//$("a","#"+options.prevId).hide();
			//$("a","#"+options.nextId).hide();
			$("a","#"+options.nextId).click(function(){	
					jQuery.ajax({
					type: "POST",
					url: "/answers.php",
					data: jQuery('#questions-form').serialize(),
					success: function(msg){
						makeValues();
						animate("next");
						if (t>=ts) $(this).fadeOut();
						$("a","#"+options.prevId).fadeIn();
					}
					});
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev");
				//if (t<=0) $(this).fadeOut();
				//$("a","#"+options.nextId).fadeIn();
			});	
			function animate(dir){
				if(dir == "next"){
					t = (t>=ts) ? ts : t+1;	
				} else {
					t = (t<=0) ? 0 : t-1;
				};								
				if(!vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						options.speed
					);				
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						options.speed
					);					
				}
			};
			if(s>1) $("a","#"+options.nextId).fadeIn();	
		});
	  
	};

})(jQuery);