//Rotation  and Timing Event
function rotateSwitch(){
    play = setInterval(function(){ //Set timer - this will repeat itself every 7 seconds
        $active = $('.paging a.active').next(); //Move to the next paging
        if ( $active.length === 0) { //If paging reaches the end...
            $active = $('.paging a:first'); //go back to first
        }
        rotate(); //Trigger the paging and slider function
    }, 7000); //Timer speed in milliseconds (7 seconds)
}

//Paging  and Slider Function
function rotate(){
	var imageWidth = $(".window").width();
    var triggerID = $active.attr("rel") - 1; //Get number of times to slide
    var image_reelPosition = triggerID * imageWidth; //Determines the distance the image reel needs to slide
    
    $(".paging a").removeClass('active'); //Remove all active class
    $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)

    //Slider Animation
    $(".image_reel").animate({
        left: -image_reelPosition
    }, 500 );

}

function createSlideshow(){
	 //Show the paging and activate its first link
	$(".paging").show();
	$(".paging a:first").addClass("active");

	//Get size of the image, how many images there are, then determin the size of the image reel.
	var imageWidth = $(".window").width();
	var imageSum = $(".image_reel img").size();
	var imageReelWidth = imageWidth * imageSum;

	//Adjust the image reel to its new size
	$(".image_reel").css({'width' : imageReelWidth});

	rotateSwitch(); //Run function on launch
	
	//On Hover
	$(".image_reel a").hover(function() {
	    clearInterval(play); //Stop the rotation
	}, function() {
	    rotateSwitch(); //Resume rotation timer
	});	

	//On Click
	$(".paging a").click(function() {
	    $active = $(this); //Activate the clicked paging
	    //Reset Timer
	    clearInterval(play); //Stop the rotation
	    rotate(); //Trigger rotation immediately
	    rotateSwitch(); // Resume rotation timer
	    return false; //Prevent browser jump to link anchor
	})
}

function create_slidshow(){
	$.ajax({
        type:"POST",
        url: 'slideshow.php',
        dataType: 'json',
		cache:false,
        error: function(data) {
            if (data.status == 302) {
				alert("status 302");
            } else {
				alert("Errror:invalid json response please try again, error:" + data);
            }
        },
        success: function(data) {
			$.each(data,function(index,value){
				if(this.indexOf("Insert") == -1 && this.indexOf("Swatch") == -1){
					$('.slideshow').append('<img src="' + this + '" alt="'+this+'" />');
				}
			});
			$('.slideshow').cycle({
				fx: 'fade' // choose your transition type, ex: fade, scrollUp, shuffle, etc...
			});
		}
	});
}