/* 
 * Original Copyright
 * 
 * Pushup
 * Copyright (c) 2008 Nick Stakenburg (www.nickstakenburg.com)
 *
 * License: MIT-style license.
 * Website: http://www.pushuptheweb.com
 *
 */

/* 
 * Modified for jQuery by Stuart Loxton (www.stuartloxton.com)
*/

(function ($) {
    // Cookie plugin based on the work of Peter-Paul Koch - http://www.quirksmode.org
    var Cookie = {
        set: function (name, value) {
            var expires = '', options = arguments[2] || {}, date;
            if (options.duration) {
                date = new Date();
                date.setTime(date.getTime() + options.duration * 1000 * 60 * 60 * 24);
                value += '; expires=' + date.toGMTString();
            }
            document.cookie = name + "=" + value + expires + "; path=/";
        },

        remove: function (name) {
            this.set(name, '', -1);
        },

        get: function (name) {
            var cookies = document.cookie.split(';'), nameEQ = name + "=", i, l, c;
            for (i = 0, l = cookies.length; i < l; i++) {
                c = cookies[i];
                while (c.charAt(0) === ' ') {
                    c = c.substring(1, c.length);
                }
                if (c.indexOf(nameEQ) === 0) {
                    return c.substring(nameEQ.length, c.length);
                }
            }
            return null;
        }
    };

    $.pushup = {
        Version: '1.0.3',
        options: {
            appearDelay: 0.5,
            fadeDelay: 6,
            images: 'images/pushup/',
            message: 'Important browser update available',
            reminder: {
                hours: 6,
                message: 'Remind me again in #{hours}'
            }
        },
        activeBrowser: null,
        updateLinks: {
            IE: 'http://www.microsoft.com/windows/downloads/ie/',
            Firefox: 'http://www.getfirefox.com',
            Safari: 'http://www.apple.com/safari/download/',
            Opera: 'http://www.opera.com/download/'
        },
        browsVer: {
            Firefox: (navigator.userAgent.indexOf('Firefox') > -1) ? parseFloat(navigator.userAgent.match(/Firefox[\/\s](\d+)/)[1]) : false,
            IE: ($.browser.msie) ? parseFloat($.browser.version) : false,
            Safari: ($.browser.safari) ? parseFloat($.browser.version) : false,
            Opera: ($.browser.opera) ? parseFloat($.browser.version) : false
        },
        browsers: {
            Firefox: 3,
            IE: 7,
            Opera: 9.5,
            Safari: 3
        },
        init: function (msgToDisplay) {
            $.pushup.options.message = msgToDisplay;

            $.each($.pushup.browsVer, function (i, browserVersion) {
                if (browserVersion && browserVersion < $.pushup.browsers[i]) {
                    $.pushup.activeBrowser = i;
                    if (!$.pushup.options.ignoreReminder && $.pushup.cookiesEnabled && Cookie.get('_pushupBlocked')) {
                        return;
                    } else {
                        var time = ($.pushup.options.appearDelay !== undefined) ? $.pushup.options.appearDelay * 1000 : 0;
                        setTimeout($.pushup.show, time);
                    }
                }
            });
        },
        show: function () {
            var $elm, $icon, $message, $messageLink, hours, H, messageText, $hourElem, imgSrc, srcFol, image, styles, time;
            $elm = $(document.createElement('div'))
		        .attr('id', 'pushup')
		        .hide()
		        .appendTo('body');
            $messageLink = $(document.createElement('a'))
		        .addClass('pushup_messageLink')
		        .attr('target', '_blank')
		        .attr("href", $.pushup.updateLinks[$.pushup.activeBrowser])
		        .appendTo($elm);
            $icon = $(document.createElement('div'))
		        .addClass('pushup_icon')
		        .appendTo($messageLink);
            $message = $(document.createElement('span'))
		        .addClass('pushup_message')
		        .html($.pushup.options.message)
		        .appendTo($messageLink);

            hours = $.pushup.options.reminder.hours;
            //            if (hours && $.pushup.cookiesEnabled) {
            //                H = hours + ' hour' + (hours > 1 ? 's' : '');
            //                messageText = $.pushup.options.reminder.message.replace('#{hours}', H);
            //                $hourElem = $(document.createElement('a'))
            //			        .attr('href', '#')
            //			        .addClass('pushup_reminder')
            //			        .html(messageText);
            //                $elm.append($hourElem);
            //                $hourElem.click(function (event) {
            //                    $.pushup.setReminder($.pushup.options.reminder.hours);
            //                    $.pushup.hide();

            //                    event.preventDefault();
            //                });
            //            }
//            if (/^(https?:\/\/|\/)/.test($.pushup.options.images)) {
//                imgSrc = $.pushup.options.images;
//            } else {
//                $('script[src]').each(function (i, elem) {
//                    var $elem = $(elem);
//                    if (/jquery\.pushup/.test($elem.attr('src'))) {
//                        srcFol = $elem.attr('src').replace('jquery.pushup.js', '');
//                        imgSrc = srcFol + $.pushup.options.images;
//                    }
//                });
//            }
            imgSrc = $.pushup.options.images;
            image = imgSrc + $.pushup.activeBrowser.toLowerCase();
            
            styles = ($.pushup.browsVer.IE < 7 && $.pushup.browsVer.IE) ? {
                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + image + '.png\'\', sizingMethod=\'crop\')'
            } : {
                background: 'url(' + image + '.png) no-repeat top left'
            };

            $icon.css(styles);
            $elm.fadeIn('slow');

            if ($.pushup.options.fadeDelay !== undefined) {
                time = $.pushup.options.fadeDelay * 1000;
                setTimeout($.pushup.hide, time);
            }
        },
        hide: function () {
            //$('#pushup').fadeOut('slow');
        },
        setReminder: function (hours) {
            Cookie.set('_pushupBlocked', 'blocked', { duration: 1 / 24 * hours });
        },
        resetReminder: function () {
            Cookie.remove('_pushupBlocked');
        }
    };

    $.pushup.cookiesEnabled = (function (test) {
        if (Cookie.get(test)) {
            return true;
        }
        Cookie.set(test, 'test', { duration: 15 });
        return Cookie.get(test);
    } ('_pushupCookiesEnabled'));
} (jQuery));