/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */

// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {
    /**
     * $ is an alias to jQuery object
     */
    $.fn.lightBox = function(settings) {
        // Settings to configure the jQuery lightBox plugin how you like
        settings = jQuery.extend({
            // kevin's dimensions
            containerWidth:         700,
            containerHeight:        525,
            // Configuration related to overlay
            overlayBgColor:         '#000',        // (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
            overlayOpacity:            0.75,        // (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9
            imageBtnClose:            '/media/img/lightbox/lightbox-btn-close.gif',        // (string) Path and the name of the close btn
            // Configuration related to container image box
            containerBorderSize:    0,            // (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
            containerResizeSpeed:    0,        // (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
            // Configuration related to texts in caption. For example: Image 2 of 8. You can alter either "Image" and "of" texts.
            txtImage:                'Image',    // (string) Specify text "Image"
            txtOf:                    'of',        // (string) Specify text "of"
            // Configuration related to keyboard navigation
            keyToClose:                'c',        // (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
            keyToPrev:                'p',        // (string) (p = previous) Letter to show the previous image
            keyToNext:                'n',        // (string) (n = next) Letter to show the next image.
            // Don´t alter these variables in any way
            imageArray:                [],
            activeImage:            0
        },settings);
        // Caching the jQuery object with all elements matched
        var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
        /**
         * Initializing the plugin calling the start function
         *
         * @return boolean false
         */
        function _initialize() {
            _start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
            return false; // Avoid the browser following the link
        }
        /**
         * Start the jQuery lightBox plugin
         *
         * @param object objClicked The object (link) whick the user have clicked
         * @param object jQueryMatchedObj The jQuery object with all elements matched
         */
        function _start(objClicked,jQueryMatchedObj) {
            // Call the function to create the markup structure; style some elements; assign events in some elements.
            if (!$('#jquery-overlay').length) {
                _set_interface();
            } else {
                $('#interstitial').replaceWith('<div id="lightbox-content"></div>');
            }
            // display the video
            _display_video(objClicked.href.replace('http://www.youtube.com/watch?v=', ''));
        }
        /**
         * Create the jQuery lightBox plugin interface (html + css)
         */
        function _set_interface() {
            // Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
            $('embed, object, select').css({ 'visibility' : 'hidden' });
            // Apply the HTML markup into body tag
            // <img src="' + settings.imageBtnClose + '">
            $('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><div id="lightbox-content"></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><p>close</p></a></div></div></div></div>');
            $('#lightbox-content').css({
                backgroundColor: '#F00',
                width: settings.containerWidth,
                height: settings.containerHeight
            });
            // Get page sizes
            var arrPageSizes = ___getPageSize();
            // Style overlay and show it
            $('#jquery-overlay').hide();
            $('#jquery-overlay').css({
                backgroundColor:    settings.overlayBgColor,
                opacity:            settings.overlayOpacity,
                width:                arrPageSizes[0],
                height:                arrPageSizes[1]
            }).fadeIn();
            // Get page scroll
            var arrPageScroll = ___getPageScroll();
            // Calculate top and left offset for the jquery-lightbox div object and show it
            $('#jquery-lightbox').css({
                top:    arrPageScroll[1] + 30,
                left:    arrPageScroll[0]
            }).fadeIn();//.show();
                //             $('#lightbox-container-image').css({
                // width:               arrPageSizes[0],
                // height:              arrPageSizes[1]
                //             });
            // Assigning click events in elements to close overlay
            $('#jquery-overlay,#jquery-lightbox').click(function() {
                _finish();
            });
            // intercept the finish call by grabbing clicks from the element over the 100% overlay
            $('#lightbox-container-image-box').click(function() { return false; });
            // Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
            $('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
                _finish();
                return false;
            });
            // If window was resized, calculate the new overlay dimensions
            $(window).resize(function() {
                // Get page sizes
                var arrPageSizes = ___getPageSize();
                // Style overlay and show it
                $('#jquery-overlay').css({
                    width:        arrPageSizes[0],
                    height:        arrPageSizes[1]
                });
                // Get page scroll
                var arrPageScroll = ___getPageScroll();
                // Calculate top and left offset for the jquery-lightbox div object and show it
                $('#jquery-lightbox').css({
                    top:    arrPageScroll[1] + 30, // (arrPageSizes[3] / 10)
                    left:    arrPageScroll[0]
                });
            });
        }
        /**
         * kcox function - use some content instead of an image.
         * replaces function _set_image_to_view
         */
        function _display_video(videoId) {
            _resize_container_image_box(settings.containerWidth, settings.containerHeight);
            if (videoId && videos && videos[videoId] && videos[videoId].ad != null) {
                $('#ad').remove();
                var ad = videos[videoId].ad;
                $('#lightbox-container-image-data-box').prepend('<a id="ad" href="' + ad.url + '"><img src="' + ad.src + '" alt="' + ad.alt + '"/></a>');
                $('#ad').data('identifier', ad.identifier);
            }
            $('#lightbox-container-image-data-box').css({
                backgroundColor: '#000',
                opacity: '0.5'
            });
            
            $('#lightbox-content').css({
                width: settings.containerWidth+'px',
                height: settings.containerHeight+'px',
                backgroundColor: '#000',
                color: '#FFF'
            }).html('<p>You must upgrade or install your version of the Flash Player. <a id="getflash" href="http://www.adobe.com/go/getflashplayer/">Get the latest Flash Player</a>.</p>');
            $('a#getflash').click(function() {
                window.open(this.href);
                return false;
            });
            var params = { allowScriptAccess: "always" };
            var atts = { id: "myytplayer" };
            swfobject.embedSWF("http://www.youtube.com/v/"+videoId+"&enablejsapi=1&fs=1&rel=0&fmt_map=6/0/7/0/0&playerapiid=ytplayer&autoplay=1&ap=%2526fmt%3D18",
                               "lightbox-content", ""+settings.containerWidth, ""+settings.containerHeight, "8", null, null, params, atts);
            $('#myytplayer').data('videoId', videoId);
            // hide this and show it on youtube callback
            $('#ad').hide();
        }
        
        /**
         * Perfomance an effect in the image container resizing it
         *
         * @param integer intImageWidth The image´s width that will be showed
         * @param integer intImageHeight The image´s height that will be showed
         */
        function _resize_container_image_box(intImageWidth,intImageHeight) {
            var intWidth = (intImageWidth + (settings.containerBorderSize * 2)); // Plus the image´s width and the left and right padding value
            var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the image´s height and the left and right padding value
            $('#lightbox-container-image-box').css({ width: intWidth, height: intHeight });//,settings.containerResizeSpeed,function() { _show_image(); });
            $('#lightbox-container-image-data-box').css({ width: intImageWidth });
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
        };
        function _finish() {
            $('#jquery-lightbox').remove();
            $('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
            $('embed, object, select').css({ 'visibility' : 'visible' });
        }
        /**
         / THIRD FUNCTION
         * getPageSize() by quirksmode.com
         *
         * @return Array Return an array with page width, height and window width, height
         */
        function ___getPageSize() {
            var xScroll, yScroll;
            if (window.innerHeight && window.scrollMaxY) {    
                xScroll = window.innerWidth + window.scrollMaxX;
                yScroll = window.innerHeight + window.scrollMaxY;
            } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
                xScroll = document.body.scrollWidth;
                yScroll = document.body.scrollHeight;
            } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
                xScroll = document.body.offsetWidth;
                yScroll = document.body.offsetHeight;
            }
            var windowWidth, windowHeight;
            if (self.innerHeight) {    // all except Explorer
                if(document.documentElement.clientWidth){
                    windowWidth = document.documentElement.clientWidth; 
                } else {
                    windowWidth = self.innerWidth;
                }
                windowHeight = self.innerHeight;
            } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
                windowWidth = document.documentElement.clientWidth;
                windowHeight = document.documentElement.clientHeight;
            } else if (document.body) { // other Explorers
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight;
            }    
            // for small pages with total height less then height of the viewport
            if(yScroll < windowHeight){
                pageHeight = windowHeight;
            } else { 
                pageHeight = yScroll;
            }
            // for small pages with total width less then width of the viewport
            if(xScroll < windowWidth){    
                pageWidth = xScroll;        
            } else {
                pageWidth = windowWidth;
            }
            arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
            return arrayPageSize;
        };
        /**
         / THIRD FUNCTION
         * getPageScroll() by quirksmode.com
         *
         * @return Array Return an array with x,y page scroll values.
         */
        function ___getPageScroll() {
            var xScroll, yScroll;
            if (self.pageYOffset) {
                yScroll = self.pageYOffset;
                xScroll = self.pageXOffset;
            } else if (document.documentElement && document.documentElement.scrollTop) {     // Explorer 6 Strict
                yScroll = document.documentElement.scrollTop;
                xScroll = document.documentElement.scrollLeft;
            } else if (document.body) {// all other Explorers
                yScroll = document.body.scrollTop;
                xScroll = document.body.scrollLeft;    
            }
            arrayPageScroll = new Array(xScroll,yScroll);
            return arrayPageScroll;
        };
        // Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
        return this.unbind('click').click(_initialize);
    };
})(jQuery); // Call and execute the function immediately, passing the jQuery object