/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

// I like failsafe jQuery. =]
jQuery(function($) {
    if($('#toggle_size').length) {
        var size = 'medium';
        $('#toggle_size').click(function(event) {
            if(event) event.preventDefault();
            $.cookie('size', size, {path : '/'});
            if(size == 'small') {
                size = 'medium';
            } else if(size == 'medium') {
                size = 'large';
            } else {
                size = 'small';
            }
            $('body').removeClass('small medium large').addClass(size);
        });

        if($.cookie('size')) {
            size = $.cookie('size');
            $('#toggle_size').trigger('click');
        }
    }

    if($('#black_on_yellow').length && $('#white_on_black').length) {
        $('#black_on_yellow').click(function(event) {
            if(event) event.preventDefault();
            $.cookie('colour', 'black_on_yellow', {path : '/'});
            $('body').addClass('black_on_yellow');
        });

        $('#white_on_black').click(function(event) {
            if(event) event.preventDefault();
            $.cookie('colour', 'white_on_black', {path : '/'});
            $('body').removeClass('black_on_yellow');
        });
        
        if($.cookie('colour') == 'black_on_yellow') $('#black_on_yellow').trigger('click');
    }

    if($('#slide_stories').length) {
        var story_index = 0;
        var image_index = 0;

        var animation_timeout = null;

        var stories = [];
        var story_links = $('#slide_stories li');
        var images = [];
        $('#slide_stories .story').each(function(index, story) {
            // Store this story.
            stories[index] = story;
            // Retrieve and store all the images within the story.
            images[index] = $(story).children('div');
            // Fade all the images out.
            images[index].each(function(index, image) {
                $(image).fadeOut();
            });
        });
        
        story_links.each(function(index, link) {
            var a = $(link).children('a')
            a.data('index', index);
            a.click(function(event) {
                if(!$(this).parent('li').hasClass('selected')) {
                    if(event) event.preventDefault();
                    clearTimeout(animation_timeout);
                    var story_index_old = story_index;
                    var image_index_old = image_index;
                    story_index = $(this).data('index');
                    image_index = 1;
                    animate_images(story_index_old, image_index_old);
                    animation_timeout = setTimeout(animate, 8000);
                }
            });
        });

        var animate_images = function(story_index_old, image_index_old) {
            story_links.removeClass('selected');
            $(story_links[story_index]).addClass('selected');
            $('#slide_stories > div').css('border-color', $(story_links[story_index]).children('a').first().css('color'));
            story_links.triggerHandler('mouseover');

            $(images[story_index][image_index - 1]).fadeIn();
            $(images[story_index_old][image_index_old - 1]).fadeOut();
        }

        var animate = function() {
            // Store the old indexes so we can use them to fade the old images out.
            var story_index_old = story_index;
            var image_index_old = image_index;

            // Increment the index values so we can move forward to the next image or story.
            image_index++;
            if(image_index == images[story_index].length + 1) {
                image_index = 1;
                story_index++;
                if(story_index == stories.length) story_index = 0;
            }

            animate_images(story_index_old, image_index_old);

            // Repeat every 5 seconds.
            animation_timeout = setTimeout(animate, 8000);
        }
        $(images[0][0]).fadeIn();
        animate();
    }

    if($('#content_gallery').length) $('#content_gallery a').fancybox({
        'transitionIn' : 'elastic',
        'transitionOut' : 'elastic',
        'speedIn' : 600,
        'speedOut' : 200,
        'overlayOpacity' : 0.8,
        'overlayColor' : '#000',
        'titleShow' : false
    });

    
    if($('#wherenext li').length >= 6) {
        $('#wherenext .collection').append('<li id="wherenext_toggle"><a href="#">View More</a></li>');
        var children = $('#wherenext li:nth-child(n+6):not(#wherenext_toggle)');
        $('#wherenext_toggle a').first().data('open', true).click(function(event) {
            if(event) event.preventDefault();
            children.css('display', ($(this).data('open') ? 'none' : 'block'));
            $(this).text(($(this).data('open') ? 'View More' : 'Hide')).data('open', !$(this).data('open'));
        });
        $('#wherenext_toggle a').trigger('click');
    }

    // Hide the logo.
    setTimeout(function() {
        jQuery('#slide_start p').fadeOut();
        jQuery('#page_ident p').fadeOut();
    }, 4000);
});