/*
Supersized - Fullscreen Slideshow jQuery Plugin
Version 3.0
By Sam Dunn (www.buildinternet.com // www.onemightyroar.com)
Version: supersized.3.0.js
Website: www.buildinternet.com/project/supersized
*/

(function($) {

    //Resize image on ready or resize
    $.fn.supersized = function() {


        $.inAnimation = false;
        $.paused = false;

        var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
        $.currentSlide = options.start_slide - 1;

        /******Set up initial images -- Add class doesnt work*****/
        //Set previous image
        var imageLink = (options.slides[options.slides.length - 1].url) ? "href='" + options.slides[options.slides.length - 1].url + "'" : "";
        $("<img/>").attr("src", options.slides[options.slides.length - 1].image).appendTo("#supersized").wrap("<a " + imageLink + "></a>"); //Doesnt account for start slide

        //Set current image
        imageLink = (options.slides[$.currentSlide].url) ? "href='" + options.slides[$.currentSlide].url + "'" : "";
        $("<img/>").attr("src", options.slides[$.currentSlide].image).appendTo("#supersized").wrap("<a class=\"activeslide\" " + imageLink + "></a>");

        //Set next image
        imageLink = (options.slides[$.currentSlide + 1].url) ? "href='" + options.slides[$.currentSlide + 1].url + "'" : "";
        $("<img/>").attr("src", options.slides[$.currentSlide + 1].image).appendTo("#supersized").wrap("<a " + imageLink + "></a>");

        $(window).bind("load", function() {

            $('#loading').hide();
            $('#supersized').fadeIn('fast');

            $('#controls-wrapper').show();

            if (options.thumbnail_navigation == 1) {

                /*****Set up thumbnails****/
                //Load previous thumbnail
                $.currentSlide - 1 < 0 ? prevThumb = options.slides.length - 1 : prevThumb = $.currentSlide - 1;
                $('#prevthumb').show().html($("<img/>").attr("src", options.slides[prevThumb].image));

                //Load next thumbnail
                $.currentSlide == options.slides.length - 1 ? nextThumb = 0 : nextThumb = $.currentSlide + 1;
                $('#nextthumb').show().html($("<img/>").attr("src", options.slides[nextThumb].image));

            }

            $('#supersized').resizenow();

            if (options.slide_captions == 1) $('#slidecaption').html(options.slides[$.currentSlide].title); //*********Pull caption from array
            if (options.navigation == 0) $('#navigation').hide();
            if (options.thumbnail_navigation == 0) { $('#nextthumb').hide(); $('#prevthumb').hide(); }

            //Slideshow
            if (options.slideshow == 1) {
                if (options.slide_counter == 1) { //Initiate slide counter if active
                    $('#slidecounter .slidenumber').html(options.start_slide);
                    $('#slidecounter .totalslides').html(options.slides.length); //*******Pull total from length of array
                }
                slideshow_interval = setInterval(nextslide, options.slide_interval);

                if (options.thumbnail_navigation == 1) {
                    //Thumbnail Navigation
                    $('#nextthumb').click(function() {
                        if ($.inAnimation) return false;
                        clearInterval(slideshow_interval);
                        nextslide();
                        if (!($.paused)) slideshow_interval = setInterval(nextslide, options.slide_interval);
                        return false;
                    });
                    $('#prevthumb').click(function() {
                        if ($.inAnimation) return false;
                        clearInterval(slideshow_interval);
                        prevslide();
                        if (!($.paused)) slideshow_interval = setInterval(nextslide, options.slide_interval);
                        return false;
                    });
                }

                if (options.navigation == 1) { //Skip if no navigation
                    $('#navigation a').click(function() {
                        $(this).blur();
                        return false;
                    });

                    //Slide Navigation
                    $('#nextslide').click(function() {
                        if ($.inAnimation) return false;
                        clearInterval(slideshow_interval);
                        nextslide();
                        if (!($.paused)) slideshow_interval = setInterval(nextslide, options.slide_interval);
                        return false;
                    });
                    $('#prevslide').click(function() {
                        if ($.inAnimation) return false;
                        clearInterval(slideshow_interval);
                        prevslide();
                        if (!($.paused)) slideshow_interval = setInterval(nextslide, options.slide_interval);
                        return false;
                    });
                    $('#nextslide').mousedown(function() {
                        $(this).attr("src", "images/forward.png");
                    });
                    $('#nextslide').mouseup(function() {
                        $(this).attr("src", "images/forward_dull.png");
                    });
                    $('#nextslide').mouseout(function() {
                        $(this).attr("src", "images/forward_dull.png");
                    });

                    $('#prevslide').mousedown(function() {
                        $(this).attr("src", "images/back.png");
                    });
                    $('#prevslide').mouseup(function() {
                        $(this).attr("src", "images/back_dull.png");
                    });
                    $('#prevslide').mouseout(function() {
                        $(this).attr("src", "images/back_dull.png");
                    });

                    //Play/Pause Button
                    $('#pauseplay').click(function() {
                        if ($.inAnimation) return false;
                        var src = ($(this).attr("src") === "images/play.png") ? "images/pause.png" : "images/play.png";
                        if (src == "images/pause.png") {
                            $(this).attr("src", "images/play.png");
                            $.paused = false;
                            slideshow_interval = setInterval(nextslide, options.slide_interval);
                        } else {
                            $(this).attr("src", "images/pause.png");
                            clearInterval(slideshow_interval);
                            $.paused = true;
                        }
                        $(this).attr("src", src);
                        return false;
                    });
                    $('#pauseplay').mouseover(function() {
                        var imagecheck = ($(this).attr("src") === "images/play_dull.png");
                        if (imagecheck) {
                            $(this).attr("src", "images/play.png");
                        } else {
                            $(this).attr("src", "images/pause.png");
                        }
                    });

                    $('#pauseplay').mouseout(function() {
                        var imagecheck = ($(this).attr("src") === "images/play.png");
                        if (imagecheck) {
                            $(this).attr("src", "images/play_dull.png");
                        } else {
                            $(this).attr("src", "images/pause_dull.png");
                        }
                        return false;
                    });
                }
            }
        });

        $(document).ready(function() {
            $('#supersized').resizenow();
        });

        //Pause when hover on image
        $('#supersized').hover(function() {
            if (options.slideshow == 1 && options.pause_hover == 1) {
                if (!($.paused) && options.navigation == 1) {
                    $('#pauseplay').attr("src", "images/pause.png");
                    clearInterval(slideshow_interval);
                }
            }
            if ($.inAnimation) return false; //*******Pull title from array
        }, function() {
            if (options.slideshow == 1 && options.pause_hover == 1) {
                if (!($.paused) && options.navigation == 1) {
                    $('#pauseplay').attr("src", "images/pause_dull.png");
                    slideshow_interval = setInterval(nextslide, options.slide_interval);
                }
            }
            //*******Pull title from array
        });

        $(window).bind("resize", function() {
            $('#supersized').resizenow();
        });

        $('#supersized').hide();
        $('#controls-wrapper').hide();
    };

    //Adjust image size
    $.fn.resizenow = function() {
        var t = $(this);
        var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);
        return t.each(function() {

            //Define image ratio
            var ratio = options.startheight / options.startwidth;

            //Gather browser and current image size
            var imagewidth = t.width();
            var imageheight = t.height();
            var browserwidth = $(window).width();
            var browserheight = $(window).height();
            var offset;

            //Resize image to proper ratio
            if ((browserheight / browserwidth) > ratio) {
                t.height(browserheight);
                t.width(browserheight / ratio);
                t.children().height(browserheight);
                t.children().width(browserheight / ratio);
            } else {
                t.width(browserwidth);
                t.height(browserwidth * ratio);
                t.children().width(browserwidth);
                t.children().height(browserwidth * ratio);
            }
            if (options.vertical_center == 1) {
                t.children().css('left', (browserwidth - t.width()) / 2);
                t.children().css('top', (browserheight - t.height()) / 2);
            }
            return false;
        });
    };

    //Slideshow Next Slide
    function nextslide() {
        if ($.inAnimation) return false;
        else $.inAnimation = true;
        var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);

        var currentslide = $('#supersized .activeslide');
        currentslide.removeClass('activeslide');

        if (currentslide.length == 0) currentslide = $('#supersized a:last'); //*******Check if end of array?

        var nextslide = currentslide.next().length ? currentslide.next() : $('#supersized a:first'); //*******Array
        var prevslide = nextslide.prev().length ? nextslide.prev() : $('#supersized a:last'); //*******Array

        $('.prevslide').removeClass('prevslide');
        prevslide.addClass('prevslide');

        //Get the slide number of new slide
        $.currentSlide + 1 == options.slides.length ? $.currentSlide = 0 : $.currentSlide++;

        /**** Image Loading ****/
        //Load next image
        loadSlide = false;
        $.currentSlide == options.slides.length - 1 ? loadSlide = 0 : loadSlide = $.currentSlide + 1;
        imageLink = (options.slides[loadSlide].url) ? "href='" + options.slides[loadSlide].url + "'" : "";
        $("<img/>").attr("src", options.slides[loadSlide].image).appendTo("#supersized").wrap("<a " + imageLink + "></a>");

        if (options.thumbnail_navigation == 1) {
            //Load previous thumbnail
            $.currentSlide - 1 < 0 ? prevThumb = options.slides.length - 1 : prevThumb = $.currentSlide - 1;
            $('#prevthumb').html($("<img/>").attr("src", options.slides[prevThumb].image));

            //Load next thumbnail
            nextThumb = loadSlide;
            $('#nextthumb').html($("<img/>").attr("src", options.slides[nextThumb].image));
        }

        currentslide.prev().remove(); //Remove Old Image

        /**** End Image Loading ****/

        //Display slide counter
        if (options.slide_counter == 1) {
            $('#slidecounter .slidenumber').html($.currentSlide + 1); //**display current slide after checking if last
        }

        //Captions
        if (options.slide_captions == 1) {
            (options.slides[$.currentSlide].title) ? $('#slidecaption').html(options.slides[$.currentSlide].title) : $('#slidecaption').html(''); //*******Grab next slide's title from array
        }

        nextslide.hide().addClass('activeslide')
        if (options.transition == 0) {
            nextslide.show(); $.inAnimation = false;
        }
        if (options.transition == 1) {
            nextslide.fadeIn(1500, function() { $.inAnimation = false; });
        }
        if (options.transition == 2) {
            nextslide.show("slide", { direction: "up" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 3) {
            nextslide.show("slide", { direction: "right" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 4) {
            nextslide.show("slide", { direction: "down" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 5) {
            nextslide.show("slide", { direction: "left" }, 'slow', function() { $.inAnimation = false; });
        }
        $('#supersized').resizenow();
    }

    //Slideshow Previous Slide
    function prevslide() {
        if ($.inAnimation) return false;
        else $.inAnimation = true;
        var options = $.extend($.fn.supersized.defaults, $.fn.supersized.options);

        var currentslide = $('#supersized .activeslide');
        currentslide.removeClass('activeslide');

        if (currentslide.length == 0) currentslide = $('#supersized a:first');

        var nextslide = currentslide.prev().length ? currentslide.prev() : $('#supersized a:last'); //****** If equal to total length of array
        var prevslide = nextslide.next().length ? nextslide.next() : $('#supersized a:first');

        //Get current slide number
        $.currentSlide == 0 ? $.currentSlide = options.slides.length - 1 : $.currentSlide--;

        /**** Image Loading ****/
        //Load next image
        loadSlide = false;
        $.currentSlide - 1 < 0 ? loadSlide = options.slides.length - 1 : loadSlide = $.currentSlide - 1;
        imageLink = (options.slides[loadSlide].url) ? "href='" + options.slides[loadSlide].url + "'" : "";
        $("<img/>").attr("src", options.slides[loadSlide].image).prependTo("#supersized").wrap("<a " + imageLink + "></a>");

        if (options.thumbnail_navigation == 1) {
            //Load previous thumbnail
            prevThumb = loadSlide;
            $('#prevthumb').html($("<img/>").attr("src", options.slides[prevThumb].image));

            //Load next thumbnail
            $.currentSlide == options.slides.length - 1 ? nextThumb = 0 : nextThumb = $.currentSlide + 1;
            $('#nextthumb').html($("<img/>").attr("src", options.slides[nextThumb].image));
        }

        currentslide.next().remove(); //Remove Old Image

        /**** End Image Loading ****/

        //Display slide counter
        if (options.slide_counter == 1) {
            $('#slidecounter .slidenumber').html($.currentSlide + 1);
        }

        $('.prevslide').removeClass('prevslide');
        prevslide.addClass('prevslide');

        //Captions
        if (options.slide_captions == 1) {
            (options.slides[$.currentSlide].title) ? $('#slidecaption').html(options.slides[$.currentSlide].title) : $('#slidecaption').html(''); //*******Grab next slide's title from array
        }

        nextslide.hide().addClass('activeslide')
        if (options.transition == 0) {
            nextslide.show(); $.inAnimation = false;
        }
        if (options.transition == 1) {
            nextslide.fadeIn(750, function() { $.inAnimation = false; });
        }
        if (options.transition == 2) {
            nextslide.show("slide", { direction: "down" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 3) {
            nextslide.show("slide", { direction: "left" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 4) {
            nextslide.show("slide", { direction: "up" }, 'slow', function() { $.inAnimation = false; });
        }
        if (options.transition == 5) {
            nextslide.show("slide", { direction: "right" }, 'slow', function() { $.inAnimation = false; });
        }

        $('#supersized').resizenow(); //Fix for resize mid-transition
    }

    $.fn.supersized.defaults = {
        startwidth: 4,
        startheight: 3,
        vertical_center: 1,
        slideshow: 1,
        navigation: 1,
        thumbnail_navigation: 0,
        transition: 1, //0-None, 1-Fade, 2-slide top, 3-slide right, 4-slide bottom, 5-slide left
        pause_hover: 0,
        slide_counter: 1,
        slide_captions: 1,
        slide_interval: 5000,
        start_slide: 1
    };

})(jQuery);